bevel

Question: How sharp of an edge is optimal for the leading edge of a beveled fiberglass fin on a rocket projected to go mach 1.3-1.5? My fins are 4.8mm fiberglass at the root. The kit I got has the leading edge pre-beveled but only to the point where the leading edge is 2.5mm thick. Seems too...

Looking to start on a Wildman Blackhawk 29 and aiming for ~900 mph maximum velocity. I've beveled/airfoiled my fins in the past for flights at this speed, but it's a pain to do by hand and it's always tough to get consistent results. Out of curiosity, I simmed different fin cross-sections in...