Quote:
Originally Posted by TerryS
We followed this inflation guide:
http://www.usfirst.org/sites/default...ance_Guide.pdf
We measured the circumference. Independent measurements were made by three students. The average diameter of eight measurements was 24.7 inches.
We got burned by larger tournament tubes than we had designed and practiced with in 2011 so we'll make sure that we take ball diameter variance into account this year. |
That guide is junk, it essentially is a spec based on feelings and opinion and not numbers.