Semroc Laser-Cut Fins Competitive Trapizodial(3 fins)1/8" Plywood(ARC Optimized) SEM-FCOMP-26P
American Rocketry Challenge(ARC Optimized)
Trapizoidal fins with thru the wall tabs, BT-70 to 29mm motor mount
Tabs are 2" long
Tabs start 1" from the bottom of the fin.
Mates with SEM-BT-70-220S3 pre-slotted tube
Made in the USA
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