HTP/PLA Hybrid with 20% Hex Infill
4 years ago
Dec 22, 2020. My best test to date. 3D printed PLA fuel core with 20% hexagon infill and 30 ml of 85% hydrogen peroxide.Gas exhaust for about 3 sec before ignition. Positive thrust of greater than 10N for a few seconds. Nice shock cones before ABS throat began to erode. Next test 40% hexagon infill.
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