Hello, I'm about to build a small gas turbine engine, about the size used in RC models, so now I would like to know what type of bearing I should use. I'm aiming at absolute maximum rpm, the bearing will most likely be the limiting factor, foil bearings and electromagnetic ones are out of the...
Hi guys i am about to make a toolarm for a machine, and now i have a few questions. I have dia 14,4 mm round bars (6Al4V) which i want to thread (the outside), i was thinking M14x2. according to my machinist book the outside diameter before making the threads should be 13.8 mm. However i read...
