Pershing 1A

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Hi Marlin,can you give an idea of size/materials you are thinking of?
I have a rocksim for my 4 " mid/hp version using a cast fiberglass cone.

the cg is just below the cone transition point with the estes maxi size fins
Thanks guys. I downloaded the .rkt file as suggested. This is perfect since I want to build a BT-80 rocket. If anyone else has other Rocksims of this I'd appreciate it.
I have the BT-60 version RocSim file that Gordon sent to me. I can try to get it to you.