3D Printed RC JET Boat 300

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Here`s my NEW RC JEt BOAT 300 with a 3D printed 20mm Jet Propulsion. All parts are designed and constructed by my self, to get small and compact, rc controlled mini jet boat. The boat is with 300mm a lager version of my Mini Jet Boat 200.
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Download https://cults3d.com/en/3d-model/game/rc-jet-boat-300
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Instead of a propeller behind the boat, the jet system works just like a jet ski, by a propeller integrated inside the boat moving the water in and out pushing it forward. Not only the hull of the boat is 3D printed, but the propeller, motor mount, servo holder, battery tray and even the servo coupler! The brushless motor was from a RC drone and with a 2 cell 18650 LiPo it was too powerful.
The hull of the boat is also constructed and printed by my self. The impulse jet, which I got printed mostly in pla, is allready tested a lot and runs really awesome. On a other version of the boat I am running the same jet but with all parts printed in ABS. Even the printed ABS or PLA propeller holds up to the brushless outrunner on 2S just fine! The Jet has an integrated watercooling system for the motor, but I have not tested yet if it really needs to be watercooled as the motor that I use has way more torque than the little 20mm jet needs. I hope you will enjoy the video!
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