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for my rocket, i need to know what to tell PML the fin tang is. It is a 29mm mount in a BT-60 rocket. I plan on doing a fin can with the fins fiberglassed to the rings ( after reinforcing the rings with fiberglass.) How far into the rings should I go? What would the fin tang be?
P.S. I will be using a HAMr retainer, so that cuts into the space even more.
P.S. I will be using a HAMr retainer, so that cuts into the space even more.