3D Printed Rocket Engine V3

3D Printed Rocket Engine on Potasium Nitrate (KNO3) and sugar
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updated January 10, 2022

Description

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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 yet

UPDATE: 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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