Name: The MOST EFFICIENT 2207 motor: Mepsking Space Motors @ChrisRosser
Uploaded: 2026-09-30T08:17:00-05:00
Duration: 8 min 17 s
Description: The MOST EFFICIENT 2207 motor: Mepsking Space Motors

The MOST EFFICIENT 2207 motor: Mepsking Space Motors

Chris Rosser 2026-09-30 | The MOST EFFICIENT 2207 motor: Mepsking Space Motors

Engineered to power Cinelifters and Break World Records: The AOS Supernova 3220

Chris Rosser 2024-12-27 | Find out more:
AOS Supernova 3220 700KV: aos-rc.com/designs/aos-supernova-3220-700kv
AOS Supernova 3220 925KV: aos-rc.com/designs/aos-supernova-3220-925kv

Where to buy: fpvstorerc.com/products/aos-supernova-3220-motor-700kv-925kv?ref=CHRISROSSER

Timestamps:
0:00 The Biggest Supernova Discovered!
0:36 Motor Design in the UK
0:53 Key features
1:34 250C rated windings
2:01 Optimized Magnetic Design
3:05 Bearings, Motor Wires, Shock absorbing O-ring
3:40 KV options 700KV, 925KV, 1000KV
4:45 Performance testing: 15% More Thrust
5:52 Motor Efficiency: 5% Better Efficiency
7:14 Motor Responsiveness: 10% Better Response
7:57 Motor Weights
8:57 Magnetic Design
9:22 Magnetic Performance Demonstration
11:42 Try a Supernova Motor Today!

Ultimate performance: SMC RS 1400mAh and 1600mAh Batteries

Chris Rosser 2024-12-20 | Where to buy:
1400mAh: smc-racing.com/index.php?route=product/product&path=67_221&product_id=856
rotorvillage.ca/smc-hcl-rs-22-2v-1400mah-lipo-xt60
1600mAh: smc-racing.com/index.php?route=product/product&path=67_221&product_id=855
rotorvillage.ca/smc-hcl-rs-22-2v-1600mah-lipo-xt60

Timestamps:
0:00 Who are SMC? What have they done?
0:52 Links in the description!
1:09 Pack weights
2:30 Constant Power Discharge Test (15C)
3:57 Energy Density
4:31 Burst Power Testing
5:36 Effective C Rate
6:19 Maximum Burst Power
7:38 Power Density
8:00 Summary Scores
9:15 How is this even possible?!
9:50 A quick explanation
10:25 Pricing
10:50 Are these packs for you?

The highest quality video under 250g: AOS 3.5 V5 Skky Mod

Chris Rosser 2024-12-13 | Find out more:
AOS 3.5 V5: aos-rc.com/designs/aos-3.5-v5
Skky Kit: skkyfpv.com

Where to buy:
iFlight EU - AOS 3.5 V5: https://iflight-rc.eu/en-gb/products/aos-3-5-v5-fpv-frame-kit?bg_ref=qNCJFKKVpk
iFlight EU - Skky Kit: https://iflight-rc.eu/en-gb/products/skky-kit-for-aos-3-5-v5?bg_ref=qNCJFKKVpk
CNC Drones - AOS 3.5 V5: cncdrones.com/aos-35-v5.html
Brain3D - Skky Kit: brain3d.com/collections/all-products-best-seller/products/skky-kit-for-aos-3-5-v5

Update: Skky FPV have now released prop guards for the AOS 3.5 V5 which can be used in combination with the naked GoPro.

Timestamps:
0:00 3.5" Naked Go Pro UNDER 250g? How?!
0:18 Links in the video description
0:29 Key features
0:42 Camera mouting
1:07 Adjustable Go Pro Sensor Mount
1:18 Go Pro PCB adn 3D Printed Tray
1:45 Go Pro BEC Power Board
2:21 Motors and Props
2:49 Micro M10 GPS Module
3:06 Ultralight VTX antennas
3:22 Electronics
3:45 Weights and Suitable Battery
4:07 Who is this right for?
5:50 Flight footage

Testing 40+ TinyWhoop Motors to find the very best motors for your 65mm Whoop!

Chris Rosser 2024-12-06 | Check out the test results and my recommendations on AOS Labs: aos-rc.com/aos-labs
Get the deep data on Patreon: patreon.com/c/chris_rosser
NewBeeDrone Hummingbird Race Spec 0702 30000KV: newbeedrone.com/products/hummingbird-0702-30000kv-racespec-brushless-motors-set-of-4?aff=65
BetaFPV 0702II 30000KV: betafpv.com/products/0702-brushless-motors?_pos=1&_sid=9a46c398b&_ss=r&variant=40175488237702?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
weBLEEDfpv SKRRRT 0702 40000KV: webleedfpv.com/products/webleedfpv-0702-40-000kv-skrrrt-w-knurled-shaft-design-set-of-4-motors
RCinPower GTS V3 0702 29000KV: drone-fpv-racer.com/en/gts-v3-0702-29000kv-brushless-motor-by-rcinpower-12896.html?aff=90
Tiny Whoop Moon Travelers 0702 30000KV: tinywhoop.com/products/copy-of-702-30-000kv-tiny-whoop-danger-onesies-brushless-motors-red-rocket

Timestamps:
0:00 🤣
0:26 Intro
1:10 Links to the best motors in the video description
1:29 So monay motors on test!
2:06 Motor KV
3:20 More data on Patreon
3:43 Motor weight measurement
4:12 Weight results
4:56 How to make a super lightweight motor
5:05 Normal motor construction
5:25 Lighweight motor construction
6:02 Max thrust testing
7:52 Efficiency Testing
10:04 Responsiveness testing
12:23 Calculating final scores!
13:23 5 - Tinywhoop Moon Travellers
14:11 4 - RCinPower 0702 29000KV
15:06 3 - WeBleedFPV SKRRRT 40000KV
15:52 2 - BetaFPV 0702 II 30000KV
16:45 1 - NewBeeDrone Hummingbird Race Spec 30000KV

Newbeedrone SavageBee Bind and Fly Review

Chris Rosser 2024-11-25 | NewBeeDrone SavageBee Pusher: newbeedrone.com/products/newbeedrone-savagebee-pusher-3-inch-hd-o3-g4-bnf?aff=65

AOS Tune: drive.google.com/file/d/13l8eWh879B_vGZl_vTR6U2-rFePTm1zE/view?usp=sharing

0:00 Intro
0:40 Links in the video description
0:55 Key features: TPU Camera Mount
1:10 Gemfan 3018 Props
1:16 Newbeedrone Flow 1202 11400KV
1:27 Newbeedrone BeeBrain HD G4 FC
1:37 Diversity ELRS 2.4GHZ RX
1:52 DJI O3 Air Unit
2:07 VTX antennas
2:20 NBD Micro M10Q GPS
2:40 Frame
3:10 Durability?
4:00 Weight
4:13 Like and Subscribe Please!
4:27 Flight footage
5:25 No Blackbox? No problem!
5:55 Blackbox log analysis
6:30 D term oscillations
8:20 PD balance incorrect
8:48 Vibration performance
10:10 D term noise performance
11:22 Betaflight configuration
11:46 Make sure the beeper is enabled!
12:43 PID tune is quite strange...
14:14 Gyro filtering
15:04 Chris from the future fixed the Tune!
15:25 Is this drone right for you?

Testing the new Tattu R-Line V5 and ONBO Bando-K 6S and 8S packs

Ultimate 65mm Whoop Showdown! BetaFPV Air65 Champions Edition vs HDZero Digital

Chris Rosser 2024-11-21 | 💵BLACK FRIDAY DISCOUNT! 💵 Use code CR24BF for 20% OFF from BetaFPV until 2nd December. BetaFPV Air65 Champion's Edition (and Race/Freestyle versions):
betafpv.com/products/air65-brushless-whoop-quadcopter?variant=41416964145286?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
getfpv.com/betafpv-air65-brushless-whoop-w-elrs-2-4ghz.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/air65-brushless-whoop-elrs-24g-by-betafpv-12991.html#/10293-propulsion_system-racing?aff=90

Happymodel Mobula6 Freestyle HDZero:
hd-zero.com/product-page/happymodel-mobula6-freestyle-hd?AffCode=05D0593202

HDZero AIO5:
hd-zero.com/product-page/hdzero-aio5?AffCode=05D0593202
getfpv.com/hdzero-aio5-f4-fc-5a-1s-blheli-s-esc-elrs-vtx-25x25.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/hdzero-aio5-13174.html?aff=90

HDZero Lux Camera:
hd-zero.com/product-page/hdzero-lux-camera?AffCode=05D0593202
getfpv.com/hdzero-lux-camera.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/hdzero-lux-camera-13171.html?aff=90

Betaflight CLI snippet: docs.google.com/document/d/1ESI614fnyPQiIZAymSirlOyzR919A35ZlF3GFou82bw/edit?usp=sharing

0:00 Intro
1:03 Links in the video description!
1:19 The Champion...s Edition
2:25 HDZero AIO
2:52 The weigh in...
3:44 Flight footage: Air65 CE
4:10 Flight footage HDZero
4:35 Flight experience
5:14 VTX output power testing
5:53 Output power results
7:39 Tuning WITHOUT Blackbox??!
8:46 Links to my tuning guides for Betaflight
9:02 Betaflight Preset
9:13 Pricing of the systems
10:34 Is this right for you?

65mm TinyWhoop Prop Testing: Featuring the Wandering Whoop!

Chris Rosser 2024-11-15 | GF 1208:
newbeedrone.com/products/gemfan-1208-3-31mm-pc-durable-4ccw-4cw?aff=65
drone-fpv-racer.com/en/1208-3-31mm-props-1mm-8pcs-by-gemfan-10899.html?aff=90
unmannedtechshop.co.uk/product/gemfan-31mm-1208-propellers-4pc/?fpv=18754

GF 1219S:
getfpv.com/gemfan-31mm-1219s-3-blade-propeller-set-of-8-1mm-shaft.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/1219s-3-blade-props-1mm-8pcs-by-gemfan-12359.html?aff=90

T-Motor 12199:
drone-fpv-racer.com/en/m12199-propellers-2cw2ccw-by-t-motor-10379.html?aff=90
unmannedtechshop.co.uk/product/m12199-65mm-whoop-propeller-1-0mm/?fpv=18754

HQProp 31mmx2:
getfpv.com/hqprop-31mm-3-blade-micro-whoop-propeller-1mm-shaft-set-of-4.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/hqprop-micro-whoop-31mmx2-pc-1mm-shaft-2xcw-2xccw-8672.html?aff=90

HQProp 31mmx3:
getfpv.com/hqprop-31mmx3-3-blade-whoop-propeller-1mm-shaft-set-of-4.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/hqprop-micro-whoop-31mmx3-abs-1mm-shaft-2xcw-2xccw-5847.html?aff=90

HQProp 31mmx4:
getfpv.com/hqprop-31mmx4-micro-whoop-propeller-1mm-shaft-set-of-4.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/hqprop-micro-whoop-31mmx4-pc-1mm-shaft-2xcw-2xccw-6507.html?aff=90

HQProp UL 31mm:
newbeedrone.com/products/hq-ultralight-whoop-prop-31mmx31-2x1-1x3-2cw-2ccw-pc-1mm-shaft?aff=65
unmannedtechshop.co.uk/product/hq-ultralight-whoop-props-31mmx3-3-blade-1mm-shaft/?fpv=18754

Timestamps:
0:00 Intro
1:10 Props on test
1:33 Test methods
1:41 Test setup
2:55 Example test: SO CUTE! 😍
3:10 Test results: Motor Mass
4:17 Thrust vs RPM
5:44 Efficiency
6:49 Propwash
8:18 Best props!

AOS Cine V5 Build Guides: Cine20, Cine25, Cine30, Cine35 CineWhoops for Naked and Full Size GoPro

Chris Rosser 2024-11-11 | AOS Cine20 V5: cncdrones.com/aos-cine20-v5.html
AOS Cine25 V5: cncdrones.com/aos-cine25-v5.html
AOS Cine30 V5: cncdrones.com/aos-cine30-v5.html
AOS Cine35 V5: cncdrones.com/cine35-v5.html

3D Prints, Specs, Build Resources:
AOS Cine20 V5: aos-rc.com/designs/aos-cine20-v5
AOS Cine25 V5: aos-rc.com/designs/aos-cine25-v5
AOS Cine30 V5: aos-rc.com/designs/aos-cine30-v5
AOS Cine35 V5: aos-rc.com/designs/aos-cine35-v5

Timestamps:
0:00 Intro
0:33 Camera Cage Parts
1:12 Camera Cage build
1:55 Camera Cage screws
2:25 Tightening torque
2:58 Countersink position
3:18 Main plate orientation
3:43 Install standoffs
4:25 Rear standoffs
4:55 Middle standoffs
5:11 Camera cage install
5:39 Tightening torque
5:57 Stack screws
6:25 Tightening torque
7:06 Electronics install
7:15 Prop guards
7:34 VTX mounting
7:47 Cine35 uses M3 screws
7:57 Battery plate install
8:38 Cine35 Battery Plate
8:47 Links in description!

AOS Cine40 V5 Build Guide: 4 Whoop for GoPro or Naked BlackMagic Pocket Cinema Camera

Chris Rosser 2024-11-11 | AOS Cine40 V5: cncdrones.com/aos-cine-40-v5.html

3D Prints, Specs, Build Resources:
AOS Cine40 V5: aos-rc.com/designs/aos-cine40-v5

Timestamps:
0:00 Intro
0:32 Camera Cage Parts
1:11 Camera Cage build
1:54 Camera Cage screws
2:24 Tightening torque
2:58 Countersink position
3:18 Main plate orientation
3:38 Install stack screws
4:22 Install Electronics
4:38 Install standoffs
4:58 Camera cage install
5:08 Tightening torque
5:31 Prop guards
6:12 Strut assemblies
6:50 Install side struts
7:43 Front and rear struts
8:14 Tightening Torque
8:32 VTX install
10:09 Naked BMPCC install
10:20 Go Pro install
10:42 Links in description

The ⭐BEST⭐ ELRS Settings for Racing: F1000, D500, or 500Hz LoRa?

Chris Rosser 2024-11-08 | Radiomaster Nomad Dual 1W:
USA: getfpv.com/radiomaster-nomad-dual-1w-gemini-xrossband-expresslrs-module.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
USA: newbeedrone.com/products/radiomaster-nomad-dual-1-watt-gemini-xrossband-expresslrs-module?aff=65
UK: unmannedtechshop.co.uk/product/radiomaster-nomad-dual-1w-gemini-xrossband-elrs-module/?fpv=18754
CN:https://ban.ggood.vip/158yM

Happymodel EP1 Dual:
USA: getfpv.com/happymodel-expresslrs-nano-2-4ghz-ep1-dual-tcxo-rx.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
EU: drone-fpv-racer.com/en/ep1-dual-tcxo-elrs-24g-receiver-by-happymodel-10573.html?aff=90
UK: unmannedtechshop.co.uk/product/happymodel-ep1-dual-tcxo-receiver-2-4ghz-diversity-expresslrs-elrs/?fpv=18754
CN:https://ban.ggood.vip/158yM

Radiomaster RP4TD (100mW telemetry):
USA: getfpv.com/radiomaster-expresslrs-2-4ghz-receiver-w-antennas-rp4td.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
EU: drone-fpv-racer.com/en/rp4td-elrs-24g-diversity-receiver-by-radiomaster-12200.html?aff=90
UK: unmannedtechshop.co.uk/product/radiomaster-rp4td-expresslrs-2-4ghz-true-diversity-receiver/?fpv=18754
CN:https://ban.ggood.vip/158yN

Radiomaster RP4TD (10mW telemetry):
USA: getfpv.com/radiomaster-rp4td-m-elrs-2-4ghz-mini-true-diversity-receiver.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
USA: newbeedrone.com/products/radiomaster-rp4td-m-expresslrs-2-4ghz-mini-true-diversity-receiver?aff=65
EU: drone-fpv-racer.com/en/rp4td-elrs-24g-mini-true-diversity-receiver-by-radiomaster-13165.html?aff=90
UK: unmannedtechshop.co.uk/product/radiomaster-rp4td-m-expresslrs-2-4ghz-mini-true-diversity-receiver/?fpv=18754
CN:https://ban.ggood.vip/158yO

Timestamps:
0:00 Intro
0:53 Intro to WareFPV
1:42 King Joshy
2:08 DanbusterFPV
2:27 🤯Ridiculous DVR
2:39 King Joshy DVR
3:00 DanbusterFPV DVR
3:22 RC Link Dropouts 😱
4:00 ELRS Antenna Mounting
5:10 F1000 FLRC
6:25 500Hz LoRa
7:09 D500 FLRC
9:05 What did we find out?
10:36 Gemini mode

CINE-MAS Comes Early This Year🤩: My Ultimate Cinewhoop Frames for DJI, Walksnail or Analog

Chris Rosser 2024-11-05 | AOS Cine20: cncdrones.com/aos-cine20-v5.html
AOS Cine25: cncdrones.com/aos-cine25-v5.html
AOS Cine30: cncdrones.com/aos-cine30-v5.html
AOS Cine35: cncdrones.com/cine35-v5.html
AOS Cine40: cncdrones.com/aos-cine-40-v5.html

3D Prints, Specs, Build Resources:
AOS Cine20: aos-rc.com/designs/aos-cine20-v5
AOS Cine25: aos-rc.com/designs/aos-cine25-v5
AOS Cine30: aos-rc.com/designs/aos-cine30-v5
AOS Cine35: aos-rc.com/designs/aos-cine35-v5
AOS Cine40: aos-rc.com/designs/aos-cine40-v5

Timestamps:
0:00 Intro
0:47 Links to everything you need!
1:00 AOS Cine20: The BabyCine
1:10 7075 Aluminium Camera Cage 🦋
1:30 Lightweight Action Camera Mounting
2:07 XT30, ERLS and VTX Antenna Mount
2:30 1204/1303 ~6000KV Motors on 4S
2:42 25mm AIO and Full Size Digital VTX
3:28 Normal or Toilet Tank Battery Mounting
3:38 Carbon prop guards with 3D printable bumpers
3:52 Light weighting supported!
4:19 Weight limit? No Problem!
5:50 Open prop flight performance, maximum safety
6:37 Resists wind and turbulence
7:06 3D printed ducts available
7:33 AOS Cine25: Pro perfromance sub250g
8:07 Reinforced 2mm prop guards
8:21 1404 ~4500KV Motors on 4S
8:53 AOS Cine30: Compact Performance
10:00 1505/1606/1507 Motors ~3800KV on 4S
10:16 Cine35: GoPro Go Anywhere!
11:00 Reinforced 2.5mm Prop Guards
11:15 2004-2006 motor ~2300KV on 6S
11:45 AOS Cine40: Compact Naked BMPCC Platform
12:50 Reinforced 2.5mm Prop guards
13:10 Increased stack clearance
13:50 2306-2207 ~2000KV on 6S
14:15 Blackbox log analysis
14:38 Blackbox vibration charts
16:40 Vibration simulation results
17:00 First resonant mode
18:17 Second resonant mode
19:09 Third resonant mode
20:16 Fourth resonant mode
21:47 Fifth resonant mode
22:58 Flight footage

Lightweight 5W Analog VTX! AKK TX5000AC

Chris Rosser 2024-10-20 | AKK TX5000AC: akktek.com/akk-ultra-long-range-all-channels-version-5w-ultra-wide-band-96ch-vtx.html?acc=2280

Timestamps:
0:00 Intro
0:52 Bench Review
1:06 Dimensions
1:35 Input Voltage
2:20 Paper instructions!
3:14 Unknown component!
3:43 Output power test
3:50 Test setup
5:08 Test results
8:15 Pros and Cons
10:30 Who is this right for?

All the BlackBox you will ever need! GEPRC Taker F745 BT + H60 BLHeli_S ESC

Chris Rosser 2024-10-18 | Taker F745: geprc.com/product/geprc-taker-f745-bt-8bit-60a-stack/?ref=vqcnatzq
Check out all my recommended parts here: aos-rc.com/recommended-parts
TVS Diode for 6S: digikey.co.uk/en/products/detail/littelfuse-inc/1-5KE39CA/688030

Support me on Patreon to get ALL my tuning guides! patreon.com/chris_rosser

Timestamps:
0:00 Intro
0:21 Review starts
0:30 60A BLHeli_S ESC
0:50 Dimensions
1:00 BLHeli_S
1:25 Integrated current sensor
1:36 No TVS Diode
2:17 Paper instructions
2:35 ESC Pinout is well labelled TAKE CARE
3:23 Flight controller
3:30 BT Configuration vis Speedybee
3:55 Gyros MPU6000 + ICM42688-P
4:30 512MB BlackBox
5:10 Plugs galore!
5:44 5V and 12V BEC
6:14 GPS adn iNav support
6:41 Paper instructions
7:14 Boot button and USB breakout
8:00 Accessories
9:00 They used the WRONG NUTS!
10:01 What to build with this stack
11:07 My thoughts

2S 75mm Whoop Fun! Newbeedrone Acrobee75 BLV5

Chris Rosser 2024-10-10 | Acrobee75 BLV5: newbeedrone.com/products/newbeedrone-acrobee75-blv5-bnf-elrs2-4g-2s?aff=65
Check out other recommended products here: aos-rc.com/recommended-parts

Timestamps:
0:00 Intro
0:39 Key features
0:45 Frame and Canopy
1:08 Camera
1:30 BIG 2S Motors
2:50 Carbon Plate
3:25 Battery Holder
4:04 XT30 pigtail
4:40 2x 2.4GHz + 1x 5.8GHz Antennas?!
5:55 Capacitor
7:05 Weights
7:40 Beebrain BLV5 2S AIO
8:35 Don't disconnect the 2.4GHz U.FL
9:35 USB connection is easy
10:00 Betaflight configuration
10:45 Serial ELRS 👍
11:08 Config tab
12:12 PID tune
13:50 Motors tab
14:33 VTX setup
15:02 No Blackbox 😢
16:05 VTX testing
17:48 VTX output power test results
18:45 Flight testing!
19:50 Flight time and other thoughts
21:10 Props protrude slightly above prop guards
21:53 Conclusions
24:42 Who is this for?

AOS UL7, 8 and 10 V5 Build Guides

Chris Rosser 2024-09-27 | AOS UL7 V5: cncdrones.com/aos-ul7-v5.html
AOS UL8 V5: cncdrones.com/aos-ul8.html
AOS UL10 V5: cncdrones.com/aos-ul10-v5.html

Resources:
UL7: aos-rc.com/designs/aos-ul7-v5
UL8: aos-rc.com/designs/aos-ul8-v5
UL10: aos-rc.com/designs/aos-ul10-v5

Recommended parts:
UL7: aos-rc.com/recommended-parts/7in-freestyle%2Flong-range
UL8: aos-rc.com/recommended-parts/8in-long-range%2Flifter
UL10: aos-rc.com/recommended-parts/10in-long-range%2Flifter

Timestamps:
0:00 Intro
0:27 Camera Cage
2:35 Arm assembly
2:47 X8 support as standard
4:45 Motor mount orientation
6:04 Main plate standoffs
6:44 Test fit the arms
6:58 Test fit the top plate
7:55 Build out your electronics
8:38 Assemble the top plate
9:41 Check the frame assembly
10:44 Add the front camera cage
12:10 Frame build complete

AOS UL7, 8 and 10 inch Ultra Long Range Frames: Fly further, faster!

Chris Rosser 2024-09-25 | AOS UL7 V5: cncdrones.com/aos-ul7-v5.html
AOS UL8 V5: cncdrones.com/aos-ul8.html
AOS UL10 V5: cncdrones.com/aos-ul10-v5.html

Resources:
UL7: aos-rc.com/designs/aos-ul7-v5
UL8: aos-rc.com/designs/aos-ul8-v5
UL10: aos-rc.com/designs/aos-ul10-v5

Recommended parts:
UL7: aos-rc.com/recommended-parts/7in-freestyle%2Flong-range
UL8: aos-rc.com/recommended-parts/8in-long-range%2Flifter
UL10: aos-rc.com/recommended-parts/10in-long-range%2Flifter

Timestamps:
0:00 Intro
0:58 AOS UL7, 8, 10 V5 Key Features
1:05 Vertical truss arm structure
1:52 X8 Motor mounting supported
2:41 3D printed legs for X8
3:09 Upgraded V5 Camera Cage
3:55 Front VTX mounting
4:16 Mounting loooong antennas
5:52 Battery straps slots and Go Pro Mounting
6:18 Stack mounting with AOS X-Cell Vibration isolation
6:39 UL7 Recommended Motors
7:05 UL7 Recommended Electronics
7:15 UL7 Recommended Battery
7:27 UL7, UL8 and UL10 share the same key featues
7:44 UL8 recommended motors
8:19 UL8 recommended electronics
8:35 UL8 recommended battery
9:11 What battery will you fly?
9:26 Badass 10" Long Range!
9:45 Ul10 recommended motors
10:10 UL10 Battery recommendation
10:40 UL10 Electronics
10:50 UL7 Blackbox log analysis
13:22 UL10 Blackbox
15:23 UL8 Blackbox
16:09 Extra resources
17:17 Flight footage (that YouTube will likely mangle 🤣)

4X More Powerful than DJI O3: The Walksnail Avatar GT

Chris Rosser 2024-09-20 | Walksnail Avatar GT (Caddx): caddxfpv.com/products/walksnail-avatar-gt-kit?aff=80
GetFPV: getfpv.com/walksnail-avatar-gt-kit.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
DroneFPVRacer: drone-fpv-racer.com/en/avatar-gt-kit-by-walksnail-12983.html?aff=90
NewBeeDrone: newbeedrone.com/products/walksnail-avatar-gt-kit?aff=65

More lab test results: aos-rc.com/aos-labs
More detailed test data: patreon.com/chris_rosser

Timestamps:
0:00 Intro
0:41 Where to get the Walksnail Avatar GT
0:58 On the bench
1:33 VTX measurements
2:38 Camera compatibility
3:05 VTX Mounting
3:55 Power output test setup
5:02 Output power results
6:39 2W VTX?
8:14 Is the Avatar GT Legal?
9:29 Comparison with DJI O3
10:15 Who is this VTX right for?

Tiny Whoop PERFECTION? BetaFPV AIR G4 5in1

Chris Rosser 2024-09-13 | BetaFPV Air G4: betafpv.com/products/air-brushless-flight-controller?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
BetaFPV Air 65 ELRS BNF: betafpv.com/collections/air-series?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
Unmanned Tech (UK): unmannedtechshop.co.uk/product/betafpv-air65-brushless-whoop-quadcopter/?fpv=18754

Betaflight Tuning Guides: patreon.com/chris_rosser

Check out AOS LABS for more product testing and recommended products: aos-rc.com/aos-labs

Timestamps:
0:00 Intro
0:57 Where to buy
1:13 Features 4in1 vs 5in1
2:18 2.4GHz ELRS Receiver
3:13 5A 96kHz ESC
3:43 G4 Flight Controller
4:05 USB C breakout board
4:20 UARTs
4:44 Accesories
5:00 Weights
6:19 VTX Output Power
6:48 Test results
7:50 Ummm, it's perfect?!
8:36 Pricing

200mph Drone Build Guide (AOS HS5)

Chris Rosser 2024-09-06 | Specs, build and tuning guides: aos-rc.com/designs/aos-hs5
Recommended parts: aos-rc.com/recommended-parts/aos-hs-5-200mph-5%22
Buy it here: cncdrones.com/aos-hs5.html
Check out AOS Labs for product testing: aos-rc.com/aos-labs

Support the channel: patreon.com/chris_rosser

Timestamps
0:00 Disclaimer
0:18 Intro
0:46 Main plate build
2:13 Installing the ESC, motors, and arm fairings
8:07 Assembling the top shell
9:30 Top plate build
11:53 Installing the camera
12:02 Combining top plate and top shell
14:27 Final close up
16:19 Fitting the battery
16:55 Installing rear grid
17:41 Adding props and optional prop spinners
18:52 Tune!

AOS 7 V5 Build Guide

Chris Rosser 2024-09-01 | Specs, build and tuning guides, and 3D prints: aos-rc.com/designs/aos-7-v5
Recommended parts: aos-rc.com/recommended-parts/7in-freestyle%2Flong-range

Buy it here:
AOS 7 V5: cncdrones.com/aos-7-v5.html

Check out AOS Labs for product testing: aos-rc.com/aos-labs

Support the channel: patreon.com/chris_rosser

Timestamps
0:00 Intro
0:30 Camera cage build
3:14 Frame build
6:38 Component layout

A 200MPH drone you can try TODAY. AOS Project Update!

Chris Rosser 2024-08-27 | AOS HS5: cncdrones.com/aos-hs5.html
AOS 7 V5: cncdrones.com/aos-7-v5.html
AOS HS5 3D Prints: brain3d.com/products/aos-hs5?_pos=1&_sid=c464555e5&_ss=r
AOS 7 V5 3D Prints: brain3d.com/search?type=product%2Carticle%2Cpage&options%5Bprefix%5D=last&q=aos+7+v5
AOS HS5 Specs: aos-rc.com/designs/aos-hs5
AOS 7 V5 Specs: aos-rc.com/designs/aos-7-v5

AOS HS5 recommended parts: aos-rc.com/recommended-parts/aos-hs-5-200mph-5%22
AOS 7 V5 recommended parts: aos-rc.com/recommended-parts/7in-freestyle%2Flong-range

Betaflight tuning guides and recommended ESC settings: patreon.com/chris_rosser

Timestamps:
0:00 Intro
0:42 AOS 7 V5: New Camera Cage
1:32 AOS X-Cell
2:02 Reinforced Arm and Stack Screws
2:37 New XT60 mount points
2:58 AOS 7 Betaflight Preset
3:30 So good it needs a DISCLAIMER!
3:56 200MPH Drone
4:42 Flight footage
5:45 How to fly the AOS HS5
6:52 Aerodynamic features
8:05 Internal electronics
8:53 Battery bay
9:47 Recommended Batteries
11:00 Recommended ESC
11:15 Recommended Motors
11:30 Recommended Props
12:00 Other components
12:35 Where to get the HS5!

MASSIVE 65mm Tiny Whoop Motor Test!

Chris Rosser 2024-08-09 | AOS 7 EVO 20% Discount: shop.iflight.com/AOS-7-EVO-V1.2-6S-HD-Pro2026?bg_ref=qNCJFKKVpk
RCinPower 0702: fpvstorerc.com/products/rcinpower-0702-27000kv-2900kv?ref=CHRISROSSER
drone-fpv-racer.com/en/gts-v3-0702-27000kv-brushless-motor-by-rcinpower-12895.html?aff=90
RCinPower 0703: fpvstorerc.com/products/rcinpower-0703-23000kv-27000kv?ref=CHRISROSSER
drone-fpv-racer.com/en/gts-v3-0703-23000kv-brushless-motor-by-rcinpower-12898.html?aff=90
RCinPower 0802: fpvstorerc.com/products/rcinpower-gts-v3-0802-fpv-drone-motor?ref=CHRISROSSER
drone-fpv-racer.com/en/gts-v3-0802-25000kv-brushless-motor-by-rcinpower-10656.html?aff=90
unmannedtechshop.co.uk/product/rcinpower-gts-v3-0802-whoop-1s-drone-brushless-motor/?fpv=18754
Happy Model SE0702: getfpv.com/happymodel-se0702-brushless-motor-26000kv.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
drone-fpv-racer.com/en/happymodel-se0702-26000kv-brushless-motor-8693.html?aff=90
unmannedtechshop.co.uk/product/happymodel-se0702/?fpv=18754

Timestamps:
0:00 AOS 7 EVO 20% DISCOUNT!
0:30 Intro
1:13 Motor overview
1:56 Test equipment
2:11 Motor KV
3:01 RANDOM NUMBERS! 😡
4:14 Hopefully it'll get better
4:53 Thrust Test with HQ Ultralight 31mm
5:08 Measuring tiny thrust is HARD
5:35 Quantised motor RPM in BlueJay
5:54 Chris from THE FUTURE!
6:39 Thrust from load cell data
7:00 Max thrust test data
7:50 Motor Efficiency
8:11 Efficiency charts
9:06 Motor response/acceleration
10:17 Summary scores
10:23 Future Chris is back 🤣
12:39 Best performing motors

ULTIMATE ESC Settings for Tiny Whoops!

Chris Rosser 2024-08-02 | T-Shirts! store.aos-rc.com
Tuning guides for Betaflight 4.5 and ESCs: patreon.com/chris_rosser/collections
ESC configurator: esc-configurator.com

Timestamps:
0:00 Intro
1:05 NEW T-SHIRTS!
1:40 Test Setup
2:25 Test ESC
2:49 Power supply
3:30 Test method: KV
3:54 Test method: Thrust
4:12 Test method: Acceleration
4:38 Motor Timing
5:45 Timing vs KV
6:22 Timing vs Thrust
6:49 Timing vs Efficiency
7:52 Timing vs Acceleration
8:02 Timing Recommendation
8:20 Rampup Power
9:02 PDF Tuning Guides
9:31 PWM Frequency
10:07 PWM vs KV
10:35 PWM vs Thrust
11:17 Throttle EXPO settings for 96kHz
11:53 PWM vs Efficiency
13:13 PWM vs Responsiveness
14:08 Step by Step Guide to tuning your ESC
14:45 Flashing to 96kHz BlueJay
15:23 Applying Settings
16:45 Upcoming videos!

Are BETAFPVs Lava Batteries Good Value? Testing the 260mAh, 300mAh and 550mAh batteries

Chris Rosser 2024-07-19 | Lava 1S 260mAh: betafpv.com/products/lava-1s-260mah-80c-battery-5pcs?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
Lava 1S 300mAh: betafpv.com/products/lava-1s-300mah-75c-battery-5pcs?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
Lava 1S 550mAh: betafpv.com/products/lava-1s-550mah-75c-battery-4pcs?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser

Get detailed product test data, Betaflight Tuning Guides and more: patreon.com/chris_rosser

Timestamps:
0:00 Intro
0:34 Check out AOS Labs
1:20 How can we scientifically test batteries?
1:33 Constant power discharge test
2:28 Burst Power Test
3:35 Constant Power: 260mAh
4:36 Constant Power: 300mAh
4:52 Constant Power: 550mAh
5:32 Burst Test: 260mAh
6:26 Burst Test: 300mAh
7:26 Burst Test: 550mAh
8:04 Comparison with other packs: Energy Density
9:08 Folded vs Wound Cell?
9:21 C Rating comparison
10:29 Power Density Comparison
11:55 Conclusions and recommendations
12:25 Pricing
13:45 Links in the description

Interview with the Lead Developer of AM32 ESC firmware - Alka Motors

Chris Rosser 2024-07-19 | Learn more at am32.ca
Donate to AM32: patreon.com/user?u=44228479
Join the AM32 Discord: discord.com/invite/h7ddYMmEVV

Support my channel: patreon.com/chris_rosser

Timestamps:
0:00 Intro
1:10 Why start developing ESC firmware?
7:35 How to support AM32
12:35 How is AM32 different from BL32/BlueJay
23:45 BL32 is gone, what next?
26:25 Flashing BL32 to AM32, not the best idea!
30:38 Manufacturers response to AM32
35:50 Debugging AM32 on new hardware
40:20 Benefits of Open Source ESC Firmware
44:30 "Official" vs "Unofficial" AM32 ESCs
46:57 The future of AM32, in phase current sensing
55:15 Advice for aspiring developers
1:03:26 12S ESCs, BIG motors

The best value HD FPV System isnt DJI: Walksnail Avatar Goggles L

Chris Rosser 2024-07-15 | Avatar Goggles L: caddxfpv.com/products/walksnail-avatar-hd-goggles-l?aff=80
Avatar Goggles X:caddxfpv.com/products/walksnail-avatar-hd-goggles-x?aff=80
getfpv.com/walksnail-avatar-hd-goggles-x.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
Avatar VTXs and drones: caddxfpv.com/collections/walksnail-avatar-system?aff=80
getfpv.com/catalogsearch/result/?q=avatar?afid=UUtYYnFRVXhDMEk9&referring_service=link

Check out AOS LABS for more product testing and recommended products: aos-rc.com/aos-labs

To contact me about product reviews and testing please use the form on aos-rc.com

Timestamps:
0:00 Intro
1:30 Links
1:45 Bench Review: Size
2:22 Look over
2:40 Air Intake
3:04 Controls
3:20 Power and headtracker ports
3:45 Tron light bar
4:15 Headband
4:53 Dopter lenses
5:44 Air vents
6:10 Where is the MicroSD?
6:57 Feature difference between Goggles X and L
8:12 Weight
8:37 Ergonomics
9:40 Narrow eye box
10:30 Light leak
10:52 Weight on face
11:50 Comparsion with the Goggles X
13:15 Optics: Goggles L
14:42 Optics: Comparison with Goggles X
15:27 Side by side of the screens
16:03 Focusing distance
17:38 Latency testing
18:17 Only 60fps supported
18:48 Latency chart
19:02 Range and penetration test method
20:09 Range and penetration test
21:45 Pricing
22:26 Compariosn to HDZero
22:58 Comparison to Analog
23:45 Comparison to DJI
24:10 How many drones do you have?
25:15 Who is this for?
26:45 Coming from analog?

Testing and Tuning the NEW BETAFPV Air65

Chris Rosser 2024-07-15 | BETAFPV Air65: betafpv.com/collections/air-series?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
Unmanned Tech (UK): unmannedtechshop.co.uk/product/betafpv-air65-brushless-whoop-quadcopter/?fpv=18754
Lava 1S 260mAh: betafpv.com/collections/batt-1s/products/lava-1s-260mah-80c-battery-5pcs?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser
Lava 1S 300mAh: betafpv.com/collections/batt-1s/products/lava-1s-300mah-75c-battery-5pcs?sca_ref=997725.XqUKIGz4QO&utm_source=socialmedia&utm_medium=socialmedia&utm_campaign=affiliate-chris-rosser

Check out AOS LABS for more product testing and recommended products: aos-rc.com/aos-labs

To contact me about product reviews and testing please use the form on aos-rc.com

Timestamps:
0:00 Intro
0:33 Links
0:45 1S Motor and Prop Testing
1:02 Bench review: Frame
1:30 New G4 AIO
1:53 ELRS RX
2:12 Batteries BT2.0/A30
2:36 USB breakout
3:13 BLACKBOX! FINALLY!
3:32 0702 Motors
3:57 C03 Camera
4:11 Weights
4:32 Betaflight configuration
8:15 Flight test
10:20 Custom Tune
13:43 VTX Output Power
16:15 My thoughts
19:08 Is this for you?

Tuning AM32 ESCs for Ultimate Performance

Chris Rosser 2024-07-12 | Timestamps:
0:00 Intro
0:35 PDF Tuning Guides for BF4.5, BL32 and AM32
1:20 Test equipment
3:20 Test methodology
4:05 Test results
4:12 Motor Timing
7:35 3" Timing Recommendation
8:10 Motor PWM Frequency
11:07 3" PWM Recommendation
11:26 Motor KV setting
14:22 3" Motor KV Recommendation
14:53 5" and 7" Motor Settings
15:30 Desync!
16:12 Don't leave Motor KV set too high!
17:53 5" and 7" Motor Timing Recommendation
18:34 5" and 7" PWM Recommendation
19:05 5" and 7" Motor KV Recommendation
19:33 Don't Miss Out on Tinywhoop ESC tuning!

How to Break a Drone World Speed Record (twice): Interview with Luke and Mike Bell

Chris Rosser 2024-07-05 | Luke Bell's channel: @LukeMaximoBell1
Mike Bell's channel: @Mike-Bell
Billster's channel: @billster7100
World record videos:
youtube.com/watch?v=wThmg8Ezm9w
youtube.com/watch?v=RoSSaSkOTTc

Support my work to help make Luke go even faster! patreon.com/chris_rosser

Timstamps:
0:00 Intro to Luke and Mike
6:10 The Journey to 300 mph
8:25 Learning to fly a 300mph drone
13:00 Props, Motors, and ESC specifications
27:15 The Airframe and Streamlining
34:50 The Team behind the Record
38:18 The Day of the World Record
41:15 Nearly a Disaster!
47:00 Getting the World Record
48:28 What's Next?!
53:08 Advice for Future Record Breakers
57:05 What keeps you Motivated?

AM32s NEW configurator settings 100% Explained: RIP BLHeli_32 😢

Chris Rosser 2024-06-28 | New configurator: am32.ca
ESC Tuning guides: patreon.com/collection/619985
Betaflight 4.5 Tuning Guides: patreon.com/collection/435076

Timestamps:
0:00 Oh dear...
0:26 Intro
1:05 Connecting to AM32
1:57 New AM32 Configurator
3:05 Flashing Firmware
6:37 AM32 Tuning Guide
7:10 Applying and backing up settings
10:07 Protocol
10:45 Stuck Rotor, Stall Protection
11:50 Variable and Complementary PWM
13:13 Timing and Startup Power
14:54 Motor KV, Motor Poles, Beeper Volume
17:00 PWM Frequency
18:46 Limits
20:45 Sinusoidal Startup (for Crawlers)
21:21 Brake on stop (for Wings)
23:08 Servo settings (for RC cars and Wings without FC)
24:05 Coming up in future videos

You asked for it, you MANIACS! 😁 The AOS Supernova 2207 1570KV 8S

Chris Rosser 2024-06-10 | Global 5% OFF with Code CHRISROSSER
fpvstorerc.com/products/rcinpower-aos-supernova-8s-2207-1570kv-motor?ref=CHRISROSSER
Defiance RC (USA): defiancerc.com/products/rcinpower-aos-supernova-2207-1570kv-8s-motor
AddictiveRC: shop.addictiverc.com/products/aos-supernova-2207-1570kv-8s-motor
Unmanned Tech (UK): unmannedtechshop.co.uk/product/aos-supernova-2207-1570kv-motor?fpv=18754
DroneIT (ITA): https://droneit.se/product/aos-supernova-2207-1570kv-motor/

JB Interview about the design process: youtu.be/yxZZ2M3gRyI
Learn more: aos-rc.com/use-cases/motors

If you value the work I do: patreon.com/chris_rosser

Timestamps:

0:00 Intro
0:40 Benchtop Review
1:38 Test Results
2:13 Thrust
3:02 Efficiency
3:54 Torque
4:47 Responsiveness
5:42 PID Tuning with these motors
6:49 Thank you

Testing to find the ULTIMATE BLHeli_32 Settings for 3 and 5 drones

Chris Rosser 2024-05-31 | Get this ESC settings guide as a handy PDF as well as with my complete Betaflight 4.5 tuning guide: patreon.com/collection/435076?view=expanded

Timestamps:
0:00 Intro
0:57 Parts tested
2:19 Key settings
5:22 Rampup Power
8:56 Motor Timing
14:40 PWM Frequency
20:30 Variable PWM

T-Motor Velox F7 SE: Great features and great value!

Chris Rosser 2024-05-17 | T-Motor Velox F7 SE 50A
USA: getfpv.com/t-motor-velox-se-stack-f7-fc-v50a-3-6s-4-in-1-esc-30x30.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
EU: drone-fpv-racer.com/en/velox-f7-se-v50a-se-stack-by-t-motor-12596.html?aff=90
Global: banggood.com/TMOTOR-Velox-F7-SE-V50A-Stack-F7-Wireless-Buletooth-Flight-Controller-and-50A-3-6S-4in1-ESC-Support-Digital-HD-Analog-for-RC-Drone-FPV-Racing-p-2013922.html?p=FW081214013633201709
Manufacturer: https://www.tmotor.shop/products/tmotor-velox-f7-v50a-se-hd-stack-for-fpv-drones

Check out AOS LABS for more product testing and recommended products: aos-rc.com/aos-labs

To contact me about product reviews and testing please use the form on aos-rc.com

Timestamps:
0:00 Intro
0:23 50A ESC
3:26 F7 Flight Controller
6:47 My thoughts

AOS Presets for Betaflight 4.5: Easy PID tuning!

Chris Rosser 2024-05-10 | UPDATE: These presets are now merged into the main repo so no need to add a new source!

Add this preset source in Betaflight - Save - Make Active
Name: AOS
URL: github.com/ChrisRosser/firmware-presets
Github branch: aos-rc

Get my ENTIRE Betaflight 4.5 Tuning Guide covering Filters, PIDs, and Rates as a PDF here: patreon.com/collection/435076?view=expanded

Timestamps:
0:00 Intro
0:45 Add preset source
3:15 Applying a tune
4:27 Raising the master multiplier
5:18 The effect of motor power and KV on Master
7:10 Links to further resources

My biggest motor test yet!: The best motors for Ultralights, Cinewhoops and Freestyle!

Chris Rosser 2024-05-03 | If you loved this video please consider supporting me:
aos-rc.com/about
Get accesss to all my test data here at any tier:
patreon.com/chris_rosser

Links to the results and recommended products:
aos-rc.com/aos-labs/3.5in-cinewhoop-motors
aos-rc.com/aos-labs/3.5in-freestyle-motors
aos-rc.com/aos-labs/ultralight-5in-motor-testing

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:36 Tuning Guide
1:08 Huge variety!
2:17 Test equipment
3:50 Measured KV
5:24 Test props and motor categories
6:40 Max Thrust and Thrust to Weight Ratio
9:35 Efficiency
13:57 Response
18:36 Get the raw data
18:50 Recommendations
19:00 Ultralight 5"
20:31 6S Cinewhoop 3.5"
22:00 4S Cinewhoop 3.5"
23:27 3.5-4" Freestyle/LR
24:58 Outro

As good as DJI on the FIRST TRY?! Caddx GoFilm20 and Walksnail Moonlight 4K Review

Chris Rosser 2024-04-26 | Caddx Drone: caddxfpv.com/collections/drone?aff=80
Moonlight Camera + VTX: caddxfpv.com/products/walksnail-moonlight-kit?aff=80
Goggles X: caddxfpv.com/products/walksnail-avatar-hd-goggles-x?variant=47327200543022&aff=80

Check out AOS LABS for more product testing: aos-rc.com/aos-labs

To contact me about product reviews and testing please use the form on aos-rc.com

Timestamps:
0:00 Intro
0:52 On the Bench
4:28 Camera side by side with DJI O3
6:57 Betaflight Settings
11:23 Flight footage
13:05 Conclusions: Pros, cons
14:56 Who is this drone for?

Bonka U2 Series: Absolutely Bonkers battery testing

Chris Rosser 2024-04-20 | If you want access to the full database of test data: patreon.com/chris_rosser

Check out AOS LABS for more product testing: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com

Bonka U2:
https://www.mylipo.de/Bonka-Lipo-Akku1380mAh-222V-180C-360C-FPV-XT60_1
bonkapower.com/bonka-130-180c-racing-battery/522531.html

Timestamps:
0:00 Intro
0:30 Bench Review and Weight
1:16 Battery Capacity
2:20 Energy Density
3:13 C Rating
4:16 Max Power
4:51 Power density
5:40 Voltage Sag
6:04 Burst testing
6:39 Who is this battery for?

Unleashing X-Cell anti-vibration with new FPV Frames: AOS 4, UL5, UL5X V5

Chris Rosser 2024-04-19 | Early access for my new line of FPV frames with patent pending anti-vibration technology at @cncmadness

Specs, build and tuning guides, and 3D prints:
AOS 4 V5: aos-rc.com/designs/aos-4-v5
AOS UL5 V5: aos-rc.com/designs/aos-ul5-v5
AOS UL5X V5: aos-rc.com/designs/aos-ul5x-v5

Recommended parts: aos-rc.com/recommended-parts/4in-freestyle-%2F-5in-long-range

Find out more about X-Cell in my interview with the one and only @joshuabardwell: youtube.com/watch?v=yxZZ2M3gRyI&t=1874s

Timestamps:
0:00 Intro
0:47 Frame layouts
1:44 Camera Cage: Versatile and durable
3:04 Top Plate: Panel mount and toilet tank
3:50 Rear Standoffs: Standard 32mm spacing
4:06 Main plate: Easy to build and maintain
4:56 Blackbox log analysis: X-Cell working it's magic
7:27 Where to buy right now
7:58 Flight footage
9:04 Product roadmap update

AOS 4 / UL5 / UL5X V5 Build Guide

Chris Rosser 2024-04-19 | Specs, build and tuning guides, and 3D prints:
AOS 4 V5: aos-rc.com/designs/aos-4-v5
AOS UL5 V5: aos-rc.com/designs/aos-ul5-v5
AOS UL5X V5: aos-rc.com/designs/aos-ul5x-v5

Recommended parts: aos-rc.com/recommended-parts/4in-freestyle-%2F-5in-long-range

Buy them here:
AOS 4 V5: cncdrones.com/aos-4v5.html
AOS UL5 V5: cncdrones.com/aos-ul5-v5-.html
AOS UL5X V5: cncdrones.com/aos-ul5x-v5.html

Check out AOS Labs for product testing: aos-rc.com/aos-labs

Support the channel: patreon.com/chris_rosser

Timestamps
0:00 Intro
0:27 Camera cage build
2:37 Frame build

Betaflight 4.5 Rates Tuning

Chris Rosser 2024-04-12 | Get my ENTIRE Betaflight 4.5 Tuning Guide covering Filters, PIDs, and Rates as a PDF here: patreon.com/collection/435076?view=expanded

Timestamps:
0:00 Intro
0:55 Rates matter
2:00 Betaflight Configurator Sections
2:15 Throttle Limit Scale
4:20 Throttle Limit Clip
5:13 Throttle Expo
7:02 Irresponsible engineers
7:30 RC Smoothing
8:30 Rates
9:15 Centre Stick Sensitivity
10:08 Max Rate
11:25 Get the full guide!

Betaflight 4.5 PID Tuning

Chris Rosser 2024-04-05 | Get my ENTIRE Betaflight 4.5 Tuning Guide covering Filters, PIDs, and Rates as a PDF here: patreon.com/collection/435076?view=expanded

Timestamps:
0:00 Intro
1:00 The PID-F Controller
2:25 P Term
3:00 D Term
3:42 P:D Balance
4:25 I Term
5:12 P:I Balance and Tuning Flow
6:00 Feedforward
6:32 Tuning Flights
7:44 Unleash your PID controller
8:12 tuning Analogy
8:45 Master Multiplier
9:32 Tuning Powerful Motors
10:40 Disable Dynamic D Term
11:07 Gradually Increase Master Slider
13:06 Dynamic Idle
13:59 Throttle PID Attenuation
15:20 Finding the right P:D Balance
16:05 Using PIDToolbox for Step Response
20:55 Tuning I term
23:08 I term Relax
24:19 I term Windup
25:00 Antigravity gain
27:05 I term rotation and absolute control
28:19 Setting up Feedforward
29:28 Adjusting Feedforward
32:36 Feedforward Boost
33:50 Feedforward Max Rate Limit
35:13 Dynamic Damping
46:30 Dynamic Damping Blackbox Settings
36:52 Dynamic Damping Gain
37:19 Tuning Dynamic Damping
39:36 Throttle Boost
40:04 Motor Output Limit
40:31 Vbat Sag Compensation
41:13 Thrust Linearisation
41:44 Outro

Betaflight 4.5 Filter Tuning

Chris Rosser 2024-03-29 | Get my ENTIRE Betaflight 4.5 Tuning Guide covering Filters, PIDs, and Rates as a PDF here: patreon.com/collection/435076?view=expanded

Timestamps:
0:00 Intro
0:50 Blackbox Settings
2:30 Viewing Blackbox Logs
4:09 Filter Sections
4:47 Get the whole guide as a PDF
5:16 Expert Mode ENGAGED!
5:32 Gyro Filters
7:26 RPM Filtering
8:43 RPM Crossfading
10:25 RPM Filter Q Factor
11:41 Biblade vs Triblade
12:35 RPM Filter Dimming
14:07 Dynamic Notch Filter Count
16:19 Dynamic Notch Frequency
14:07 Dynamic Notch Q Factor
18:37 D Term Low pass filters
19:11 Default vs AOS D Term Tune
22:49 Karate D Term Tuning
23:20 AOS D Term Tuning
24:11 Dynamic Curve Expo
25:25 Yaw Lowpass Filter
26:33 Next Steps

The Ultimate 7 Motor? The AOS Supernova 2807

Chris Rosser 2024-03-22 | AOS Supernova 2807:
GetFPV: getfpv.com/aos-rc-supernova-2807-fpv-motor-1400kv.html?afid=UUtYYnFRVXhDMEk9&referring_service=link
DefianceRC: defiancerc.com/products/rcinpower-aos-supernova-2807-1400kv-motor
Retailers order direct from RCinPower: sales02@rcinpower.com
FPVStore: fpvstorerc.com/products/rcinpower-aos-supernova-2807-1400kv-brushless-motor
Taobao: item.taobao.com/item.htm?ft=t&id=776599338000&spm=a21dvs.23580594.0.0.1d293d0drGlSWn&sku_properties=31309:31315999596
AliExpress: aliexpress.com/item/1005006756249509.html

JB Interview about the design process: youtu.be/yxZZ2M3gRyI
Learn more: aos-rc.com/use-cases/motors

If you value the work I do: patreon.com/chris_rosser

Timestamps:

0:00 Intro
0:57 Benchtop Review
4:29 Motor Weight
5:16 Test results
6:23 Thrust
7:07 Efficiency
7:37 Torque
8:25 Responsiveness
9:23 Summmary Scores

VCI Hobby, Axis Flying and EVERY Hypetrain Motor Tested!

Chris Rosser 2024-03-18 | If you loved this video please consider supporting me:
aos-rc.com/about
patreon.com/chris_rosser
USA: amazon.com/?&tag=chrisrosserfp-20
UK: amazon.co.uk/?&tag=chrisrosser08-21

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:33 Bench review
4:36 Open door testing!
5:26 Measured KV
6:41 Thrust
7:54 Efficiency
8:59 Torque
11:29 Response
13:07 Summary Scores
14:28 Analysis
15:25 Throttle feel is not only about the motor

Motor Commutation Explained: Featuring FETTECs new SFOC approach

Chris Rosser 2024-03-13 | If you loved this video please consider supporting me:
aos-rc.com/about
patreon.com/chris_rosser
USA: amazon.com/?&tag=chrisrosser0b-20
UK: amazon.co.uk/?&tag=chrisrosser08-21

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:30 Motor connections
1:19 Back EMF
2:09 Block Commutation
4:48 Sinusoidal Commutation
8:26 Space Vector Modulation
13:46 FETTEC Sinusoidal vs SFOC
15:48 Hardware
16:37 Outro

Testing FETTECs new PROTOTYPE ESC against BLHeli_32 AM_32 and BlueJay

Chris Rosser 2024-03-08 | DEEP DIVE ON SFOC ESC COMING SOON!
If you loved this video please consider supporting me:
aos-rc.com/about
patreon.com/chris_rosser
USA: amazon.com/?&tag=chrisrosser0b-20
UK: amazon.co.uk/?&tag=chrisrosser08-21

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:50 New Test Setup
2:26 Test ESCs
3:06 Test results
4:08 Throttle Ramp
6:01 ESC Response Test
9:02 Flywheel test
10:42 Final thoughts

Cutting open the BEST Li-ion cell in FPV: Molicell P45B

Chris Rosser 2024-03-02 | Molicell P45B pack build and test: youtu.be/qFj_u5Q052E
If you loved this video please consider supporting me: aos-rc.com/about
Patreon: patreon.com/chris_rosser
Amazon USA: amazon.com/?&tag=chrisrosser0b-20
Amazon UK: amazon.co.uk/?&tag=chrisrosser08-21

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:56 Cutting open the AuLine cell
5:23 Cutting open the best: Molicell P45B!
10:38 Key construction differences
13:23 Outro

Can I DIY the BEST Li-Ion Battery in FPV?

Chris Rosser 2024-02-23 | If you loved this video please consider supporting me:
aos-rc.com/about
patreon.com/chris_rosser
USA: amazon.com/?&tag=chrisrosser0b-20
UK: amazon.co.uk/?&tag=chrisrosser08-21

The latest product testing results are always on AOS Labs: aos-rc.com/aos-labs

To contact me about ESC/battery/prop/motor reviews and testing please use the form on aos-rc.com/contact

Timestamps:
0:00 Intro
0:57 Battery Pack Build
1:40 Preparing the cells
2:05 Arranging the cells
3:28 Avoiding short circuits
5:03 Soldering the discharge leads
7:05 Soldering the cells together
10:40 Balance connector
12:15 Final test
12:54 Test results!
13:45 Capacity
14:24 Energy Density
14:55 C Rating
15:39 Voltage Sag
16:28 Pack teardown
18:35 Final thoughts

AOS 5R V5 Build Guide

Chris Rosser 2024-02-23 | Learn more about the AOS 5 V5: aos-rc.com/aos-5-v5

Recommended parts: aos-rc.com/recommended-parts/5in-racing

Check out AOS Labs for product testing: aos-rc.com/aos-labs

Support the channel: patreon.com/chris_rosser