Posted by Ron V on May 28, 2013 at 05:52:41:
In Reply to: Re: Span measurement posted by BillS on May 27, 2013 at 08:05:22:
Bill,
That is an interesting paper, thanks so much for sharing.
I'll certainly be trying out some of the suggestions in it but my gut feeling is that there is too much room for error.
I'd still recommend to confirm the angle by the tracing method using a hobbing machine.