I got the idea from some posts over here so I wanted to show you how I set up the clutch on my repower. I am using a roadranger 13 speed and this was a simple way to reduce clutch effort and avoid a mechanical linkage. Might be an option for some of you with stiff clutches and weak legs like me.
https://www.youtube.com/watch?v=ENxPYiooDt4&t=125s
This is what it's all about. Thinking outside the box and being innovative. Bus converters are awesome people.
My former IC-41 ACF Brill had an air clutch setup. They used a brake treadle and a rotochamber to operate clutch. Worked pretty good. Added a restrictor in exhaust to smooth engagement.