Sunday, 19 January 2025

Drivetrain

Hot on the heels of finishing the bodywork, I now need something to hang it all on! 

First I built up the engine cradle rails; cleaning out all the threads and holes after the powder coating. This is a great system - the rails carry the centre stand, side stand, footrests, gear lever and brake pedal.


I decided that the engine was too heavy to lug up and down stairs into the temporary assembly workshop (bedroom!) so now moved out into the shed to start the main assembly. First I propped the engine on some blocks and secured a rope around the tail of the gearbox, suspended from the roof to steady it.


The cradle was then bolted up to the engine and I could use the centre stand to provide a bit more stability.



Then the shaft drive/swinging arm attaches to the back of the gearbox, using 2 pivot pins and locknuts to secure everything in place. Gratifyingly, turning the hub with the spark plugs out meant that the engine still turned 😀


Now for the hard bit! Fitting the wheel is actually pretty straightforward, but was really awkward to organise the cush drive rubbers so that everything slotted together nicely. I needed an extra hand basically! We got there eventually though. Starting to look a bit like a powered unicycle now 😀.



 

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