Keith Taylor wrote:-

>.... A 3° taper over the tiny tread of an "O" scale wheel is
> pracitally impossible to see, much less machine.Trying to
> set over the compound on most lathes to cut a 3° coning
> of the tread would be tough too, as the graduations on the
> lathes probably aren't accurate enough to bother.

What utter nonsense!  My eyes are 67 years old and I can see the taper quite 
clearly.  I've also spent the last three days machining a batch of wheels - 
with a three degree taper - and had no difficulty setting the compound slide 
to within a sensible (about one quarter of a degree) tolerance.

Mike Chaney 


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