Uploaded February 2016 | Updated September 2026, 2 hours ago

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Want to know how fast a bicycle generator has to spin to generate 120 watts? Let's find out.

The laser tachometer (RPM meter) in the video is this: Neiko® 20713A Digital Tachometer, Non-contact Laser Photo | 99,999 RPM Accuracy: [affiliate] amzn.to/1Qhgq3W

The wattage display is provided by a Midnite Classic 150 MPPT Wind Charge Controller: [affiliate] amzn.to/1J1UDu6

I'm using a kurt kinetic road machine as the base for my bicycle generator in this video: [affiliate] amzn.to/1J1UyXj

80A 80 Amp 3-Phase Three Phase Bridge Rectifier AC to DC: [affiliate] amzn.to/1m3ofMr

Here's the rc motor housing I'm using in the video:
createthis.com/products/kurt-kinetic-bicycle-generator-housing?utm_source=youtube&utm_medium=description&utm_campaign=Making%20Electricity%20-%20Bicycle%20Generator%20-%20Part%204

Here's the rc motor adapter I'm using in the video: createthis.com/products/kurt-kinetic-bicycle-generator-rc-motor-adapter?utm_source=youtube&utm_medium=description&utm_campaign=Making%20Electricity%20-%20Bicycle%20Generator%20-%20Part%204

Here's the Turnigy Aerodrive SK3 6374 motor used in the video: [affiliate] hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=18129&aff=2025858

Part 1 is about assembling the rc motor adapter: youtu.be/jMXcUxj1jXM

Part 2 is about assembling the housing: youtu.be/PGB6cMsQ9cM

Part 3 is about wiring the bridge rectifier: youtu.be/Jaq5u5l5eS0

Part 4 show the bicycle generator in operation: youtu.be/_HiMgHxdn78

Here's an idea for storing your electricity: youtu.be/zIMFqdpq3Ew