Quote:
Originally Posted by clevtool
The yoke shown in the Van's plans is a 'heavy duty' yoke designed to set up to 3/16" rivets. These yokes can be identified by measuring the thickness of the 'base' where the set holder actuates through. The base of 1" is standard, the 1-1/4" is 'heavy duty'.
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Actually the tool (yoke) that started all of this is just a standard 2" reach yoke that does have a 1" tall base, but its shape at on the upper leg is such that it would slightly (but not as much as the heavy duty yoke depiction supplied by Mike) interfere.
The error occurred when the principles in involved in writing that portion of the manual assumed that there was some level of standard for yoke dimensions. That is obviously not the case.
The plans will be revised to say grind slightly if the yoke
you have, interferes with the spar flange.