This short movie show the bare bones of the 1936 (first) Knucklehead engine moving parts... Note the drilled "lightning" gears to reduce weight, The unique one year only breather flat screen (like the one shown on William s. Harley patent drawings... and the experimental split pinion shaft which enable to play with the oil flow without disassemble the engine....
www.3d-files.co.il
![](https://s2.save4k.ru/pic/kLQ8S-HoINg/mqdefault.jpg)