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Unread 30-10-2011, 22:07
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Tom Line Tom Line is offline
Raptors can't turn doorknobs.
FRC #1718 (The Fighting Pi)
Team Role: Mentor
 
Join Date: Jan 2007
Rookie Year: 1999
Location: Armada, Michigan
Posts: 2,562
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Re: High Tensile Sprocket Bolts

Quote:
Originally Posted by George C View Post
If you're having that much trouble with 10-32 bolts shearing off, why not just drill out the holes and use a #12-24 NC or 1/4-28 NF? McMaster Carr doesn't seem to carry #12-28 NF but other suppliers might.
I can't speak for other teams, but we don't drill out the plactions and sprockets because we reuse them each year. We don't have a tremendously huge budget, so we'd rather spend the $25 a year replacing the fasteners rather than the $150-$200 buying new plaction wheels and sprockets to meet the letter of the FIRST rule.