Technic Rocket with 4x4 Interior Space
Lego Technic Rocket with 4x4 interior space. In the bottom section, the curved Technic Panels are held together with 87082 "Technic, Pin Long with Friction Ridges Lengthwise and Center Pin Hole" pieces. They allow the 1x11 Technic Liftarms to be clipped onto the bottom fin can so that the four Technic Panel fins can be pinned on too. The nosecone is a 57587 "Brick, Round 7 x 7 x 4 Dome Top" which is somewhat flexible. It is held onto the body tube via two Technic 1/2 Pins. Tie your parachute to the 1x11 Technic Liftarm nearest to the nose cone. This rocket flies well with Estes D12-3 rocket motors, which can be held inside the motor mount with masking tape.
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