Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood SEM-FCOMP-40P
American Rocketry Challenge(ARC Optimized)
Elliptical fins with thru the wall tabs, BTH-80 to 29mm motor mount
Tabs are 2" long
Tabs start 1" from the bottom of the fin.
Mates with SEM-BTH-80-115S3 pre-slotted tube
Made in the USA
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