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Motor adapter HAMR 54/38 - Public Missiles Ltd.
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If you"re using a HAMR retainer on your rocket and want to fly a smaller diameter motor, here"s your solution! The HAMR Adapters are specifically designed to work with our HAMR system, and are available in 54/38, 54/29 and 38/29 versions.
This version adapts a 38 mm motors to a 54 mm motor tube