Uploaded May 2025 | Updated September 2026, 3 hours ago

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CAD Modelling, 3D printing, pattern finishing , test casting, rinse and repeat.
Making cylinder heads for my 1920 Redrup Radial replica motorcycle engine build.

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If you are interested in a Bambu Lab printer or filament, please use this affiliate link which will get you a discount, and Bambu will share a small portion of their profit to help support my channel. Thanks.
shrsl.com/2o4uj-2yn7-1cwx9
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These are affiliate links, so if you purchase through then, a small percentage of the profits will contribute to the channel. It costs no extra for you. Thanks.
K type temperature probe
USA link - amzn.to/43dv06v
EU link - amzn.to/3FjG354

Thermocouple display.
EU Link - amzn.to/4dAdFrV
USA Link - amzn.to/4ksXoY2

Rothenberger flux
EU link - amzn.to/3HbqNI3
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00:00 - Intro
00:20 - Cylinder head description
01:15 - Combustion chamber shape
03:14 - Charles Redrup
07:34 - Cylinder head pattern V1
07:54 - Cylinder head pattern V2
08:32 - Which CAD softwares does fillets best?
11:18 - Layer lines
11:54 - Acetone smoothing
14:09 - First casting attempt
17:19 - Cylinder head pattern V3.1
19:14 - Bogging fillets
20:04 - Cylinder head pattern V3.3
21:24 - Fillet tool for bondo
23:29 - Pyrometer
24:07 - How turbine temperature is measured in a jet engine
27:35 - Casting attempt 2
32:35 - Out of gas!
34:49 - Cylinder pattern V3.4
35:26 - Casting session 3
40:02 - Casting attempt 4
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Music:
Title Holder - It Doesnt Matter
Title Holder - Empty Apartment
Title Holder - Animal
Higher Land - Real Love - Stripped Version
FableForte - Chase Velocity