Adapts a 13mm Estes mini series to fit inside an 18mm standard size engine mount. Assembly required.
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29mm Motor Retainer Set.
The perfect accessory for all 24 mm engines! The Motor Retainer Set allows you to quickly load and unload a motor.
Two simple steps transform a standard engine into a D size. Insert a standard engine into the adapter, and insert the adapter into a rocket. 3 […]
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