Quote Originally Posted by tmate3 View Post
Thank you for the photos & information. Did you machine the riser from a solid block, or weld flanges on to a tube? How big a lathe did you use? How did you lay out your holes and drill them if your mill was apart?
My good friend (toolmaker) machined riser from solid 1045 steel block. He first drilled/bored 60mm hole on huge lathe and completed the job on huge cnc mill.
I only measured it and prepared drawing. 60mm hole was made just to reduce the weight for shipping. Riser was made in USA and shipped to me to Croatia.