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Not really, except perhaps as a historical reference?So you concede that it could be a later development and thus would have been done by others ? Precisely!Different machinists? These parts are almost certainly made using CNC machine tooling. I see little point discussing it further as it cannot be conclusively proven if the two cranks would be considered interchangeable or not without having both items to compare/measure.
Not really, except perhaps as a historical reference?
So you concede that it could be a later development and thus would have been done by others ?
Precisely!
Different machinists? These parts are almost certainly made using CNC machine tooling.
I see little point discussing it further as it cannot be conclusively proven if the two cranks would be considered interchangeable or not without having both items to compare/measure.