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Overall, it was a fun experience with my little guy. We launched the rocket at 0 C and wind, so the batteries died after our 5th launch. My 6th...Read More ->
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This ring will center a 18mm (BT-20) engine mount tube inside of a 24mm BT-50 tube.
- 18.82mm, - 24mm, 5.1mm, 0.6g
