Welcome to ModelEngineMaker !If you have problems registering or logging in, please use the contact menu option to request assistance.
Welcome back kvomDave I drew up at least six alternatives before I settled on option 3. Several of the rejected options used a hardened steel sleeve: can you recall any of "the usual industrial hardware outlets" for the 'off the shelf roller bearing inner race'?CheersMike
Thanks Dave,When you know how they are described, it's easier to find a supplier.For those of us over this side of the pond; try 'Simplybearings.co.uk' and search for 'needle roller inner rings' Plenty of sizes and lengths to choose from; at affordable prices.These inner rings will allow you to do a Schilling style, built up crankshaft, and use plain bearing/bushes in the conrods, when there is insufficient room for a roller bearing.CheersMike