Wilsons Sandbox

A few months ago someone (maybe Roger F.) spelled out in exact detail the complete shaft/pedal/thackery washer set up. I have just assembled mine (wrongly I think). I've been unable to find that expert dissertation. Perhaps whoever it was would repeat the lecture and maybe stick it in our special files as well. It's the sort of thing one only does once or twice but it's nice to get it right. Viv James