29mm fin can for Estes BT-56 body tube.
thingiverse
This is a replacement fin can for the Estes Eliminator rocket, and will probably work for other purposes. It fits on an existing BT-56, and with sanding or fiddling, on a BT-55. It should be stable for all mid-power 29mm motors. The picture with the fins attached to the unfinished rocket must viewed with "large view" to be viewed seen. Otherwise it's just a purple tube. Print Settings Rafts: No Supports: No Resolution: 0.2mm Infill: 100% Notes: Set to a single shell for best results. 2 shells have caused fins to separate internally, reason unknown. PLA in particular could deform when hot. Sanding out the interior a bit and coating with epoxy could prevent this. My final versions will be printed in ABS. Future enhancements will allow for better performance at trans-sonic velocities.
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