GRADO Rocketry's PVC ONLY PVC Rocket Motor Building Kit Version III is now available. With our kit, a hacksaw, 1/8 7/16 drill bits, Research Rocketry enthusiasts can easily produce I J impulse, single use motors with or without motor ejection recovery. Based on 1.25 Schedule 40 PVC pipe and fittings, these motors will fit in 54mm motor mounts. There are no special or complicated tools to fabricate. The Version III kit does away with all of that!

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