3D Printing A Water Jet

[mikedmann]

A really neat setup that might give some new ideas.
https://hackaday.com/2019/04/30/3d-printing-a-water-jet-drive/

[MikeyBon]

I am going to be building a 80mm water jet surfboard.
https://www.thingiverse.com/thing:3150410

[JetboardCologne]

It’s not a good waterpump.
Little power and too many current.
Greetings Frank

[Toto44]

Your jet design has many problems. The pitch of your impeller is too high. The flow straighteners are just “flat” fins, but they need to be bend too. Like this your efficency will be close to zero.