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3D Printed Rocket Engine V3

3D Printed Rocket Engine V3

prusaprinters

You will need about 45of KNO3 and suggar mixure. Expected impuls is 38N*s. I recommend you to print it with PETG because of its better temperature resistance. UPDATE: First egine exploded (again) so I edit the design and uploded a new version but i didnt test it yetUPDATE: I test the new design and it works! Only problem was that the specific impulswas too low (about 16s)Video from test:

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