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Mini RC Jet Boat 200 Mono

Creation quality: 4.5/5 (33 votes)
Evaluation of members on the printability, utility, level of detail, etc.

Licence CULTS - Private Use
Last update 2021-10-03 at 13:28
Publication date 2019-06-28 at 21:30
Design number 62338
3D design format
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3D printer file info

3D model description

Boat full Size with Stator and Nozzle 230x75x50mm
Boat Size without Stator and Nozzle 200x75x50mm
You need a 3D printer with a minimum print-high of 200mm.

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RC controlled Mini Jet Boat 200 Mono
RC controlled Mini Jet Boat 200 Twin
RC controlled Mini Jet Boat 300 Mono
Take this model, if you only need the Water Jet Drive
For beginners, i recommend to start with RC Jet Boat 200 Mono or the Jet Boat 300 Mono


Partlist (last update on 2020.05.07)

Brushless Motor

Brushed Motor

My RC Controller (example)


Is it waterproof ... YES, it is!

  • Watch the video RC MiniMono Boat - 3D printed Jet Drive UNDERWATER! After that, there was no water in it!
  • If your print of the hull is good, it should be waterproof. But, if you want to be safe, you could still paint it with a thin layer of car clear coat. I tried both variants and it works very well.
  • The drive shaft of the boat is sealed between two plain bearings with a lubricating seal.
  • The cover is sealed with a 2mm cord of foam rubber or with a 3d printed flex seal


  • 20210930 update to V003, hull without batterymount
  • 20210722 update to V003, Grate, Knob, ...
  • 20200827 added sticker decoration as svg and pdf
  • 20200611 update esc and motor part list
  • 20200603 added motor_180_ adapter.stl
  • 20200527 checked all links
  • 20200324 fixed bug in boat_hull_split_a and boat_hull_split_b
  • 20191027 update boat_hull, nozzle, seal
  • 20191005 added boat_trimtabs
  • 20190924 added boat_cover for Self-Righting
  • 20190907 new VideoTutorial to assemble the Jet Boat electronics
  • 20190815 optimized boat_cover for easier 3d printing
  • 20190806 added a boat_hull version without 18650 battery mount
  • 20190721 added a new boat_cover coordsys, some slicer had problems
  • 20190712 added pictures of cura settings and assembly
  • 20190708 working on a How To Video and tutorial
  • 20190702 added splitted boat_hull for smaller build volume height.
  • 20190701 initial upload

Additional 3D Models:

Object License - Standard Digital File Store License

  • Remixing Not Allowed
  • Commercial Use Not Allowed
  • Add Credits To Designer When Sharing Links, Photos and Videos of Objects

Show me your makes.

Discover my other jtronics designs on cults3d


3D printing settings

slicer: cura (please take cura, Don't take slic3r!)

  • Material: PLA
  • Nozzle: 0.4mm
  • Infill Before Walls: No !!! Important !!!
  • Outer Before Inner Walls: Yes !!! Important !!!
  • wall: 3 Perimeter
  • support: only for cover
  • Optimize Wall Printing Order: Yes
  • Fill Gabs Between Walls: No
  • infill: 15
  • Infill Travel Optimization: Yes
  • adaptive layers: Yes with Layer: 0.15 to 0.20mm

Not to fast! Print the parts with about 30mm/s, to get a good layer connection. (It depends on the quality of your printer)
not to hot, because of dropping nozzle PLA 205*C


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