>>What are the wall thicknesses of the tubing in the elements of a
>>Force 12 C-4XL, for
>>* the standard, 80-mph, model;
>>* the "D," 100-mph, model;
>>* the "H," 120-mph, model; and/or
>>* the "HH," 140-mph, model ?
>Perhaps an F-12 person will comment, but I believe they all use the
>standard wall, which permits telescoping in 1/8 inch increments; I
>believe they beef up by doubling and tripling the critical sections.
What is "the standard wall"? For zero clearance, it'd be 1/16th
inch, or 0.0625". So, is 0.058, which would leave 0.0045", the
standard? (I guess.)