Estes Motor Tubes, Blocks, Engine Hook Retainer Rings
Includes 27 parts to build engine mounts. Perfect for the do-it-yourselfer!
3 each. BT5 body tube. 2 inches long.
3 each. BT5 yellow engine blocks.
3 each. BT5 mylar engine hook retainer rings.
3 each. BT20 body tube. 2.75 inches long.
3 each. BT20 engine blocks.
3 each. BT20 mylar engine hook retainer rings.
3 each. BT50 body tube. 4 inches long.
3 each. BT50 yellow engine blocks.
3 each. BT50 black engine hook retainer rings.
Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly.
Tools, construction and finishing supplies sold separately.
In order to launch, a launch system, model rocket engines, starters and recovery wadding are required – sold separately-unless otherwise specified.
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Fin Alignment Guide
Fin marking guide for BT-5, BT-20,. BT 50, BT-55 & BT-60 body tubes. Guide lines can be also be used to help align fins.
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Stage Coupler for joining 2 BT-50 size tubes, or multi-staging I.D. 0.920″ O.D. 0.949″ Length 1″ 1 per package
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