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Sport Rocketry / Rocketry Builds / Excelsior Rocketry / Plans / Nike Goon

Nike Goon Build, Part 5, Engine Mount

On the Goony models the engine mount is set in farther up in the body tube. This puts the center of gravity forward and makes for better stability. The bottom bend of the engine hook is even with the bottom of the BT-60 tube. It'd be too hard to tie the Kevlar line around the back end of the engine tube with the mount set forward. TIP: To get the right sized loop, tie the Kevlar around a BT-20 sized tube. Use a square knot. Leave a 1/2" tail on the end so you have something to grab onto when ... [Read More]