October 20, 2016 AT 7:00 am

Canned Air Launchers: It’s Like Rocket Science, Right? #3DThursday #3DPrinting

3D Printed Rocket Science Canned Air Rocket by dcoultis Pinshape

From dcoultis on pinshape:

To fly the rockets, use a syringe and the red tube from a can of compressed air to inject a little bit of water into the rocket. You will have to carefully drill out the tip of your syringe by hand to get the tube to fit the tip of the syringe. Put the tube back on the can, and point it upward. Drop the rocket down on the tube and pull the trigger quickly. I used Dustoff canned air as a propellant. The tube that comes with this brand fits a 3mm nozzle perfectly. There are other brands that have a larger tube. If that is what you are going to use, you will have to design a rocket with a larger diameter nozzle.

There are two types of rockets here. One type has the fins built into the rocket with the fuselage elevated. The other has slots at the tail end of the fuselage into which modular fins can be inserted. There are different printing requirements for these two types. Both rockets should be printed at .25 layer height or lower (assuming a .5 nozzle hot end). If you print a layer height greater than 1/2 the diameter of your print nozzle, the rocket may leak.

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