Model Rocket Building BlogBT-50 Crimp Reinforcement Part 1I should have made a resolution to install a length of coupler above the engine mount on all BT-5, BT-20 and BT-50 tube models. I've been through this tube crimping too many times in the past. You can get longer couplers from many vendors. The standard 1" long coupler would be too short to ... Sponsored Ads |
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