RC Mini Jet Boat
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RC controlled Mini Jet Boat
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.
Last update on 2019.10.27
Take this model, if you only need the
Water Jet Drive
6x screw headless M2x3mm (propeller, servorhorn)
6x screw inbus M2x8mm (3x jet nozzle, 1x oil)
10x screw inbus M2x6mm (4x cover, 2x servo, 2x electronic mount, 2x motor)
2x screw inbus M1.6x5mm
M2x3mm heating brass insert, 4x cover, 2x electronic mount 1x seal
Moosgummi Foam rubber cord 2x200mm 2x battery
18650 3400mah 3.7V or 18350 1500mah 3.7V 1x drive
Littlebee 20A ESC 1x drive
Recom R-785.0-0.5 1x drive
motor DYS BE1806 2300KV other motors also possible, diameter max. 23mm, length ca. 18mm, screws 16mm 1x drive
longer motor shaft 2x30mm 1x drive
rod 2x100mm 1x drive
shaft coupling, motor 2mm to rod 2mm 1x drive
Brass bearing 52B 2.05x5x2.4mm, OD 5mm or MR25ZZ (4.50€) 1x servo
GS-2502 1x servo
rod 1mm, ca. 100mm 1x servo brass tube OD 2mm, ID 1mm (servo rod), Length 10mm
1x drive jet bearing, brass tube OD 3mm, ID 2mm (drive rod Length 3mm, servo rod Length 10mm)
My RC Controller (example)
I used the following materials
Is it waterproof ... YES!
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
20190628 removed float chamber, boat to small
20190702 added splitted boat_hull for printer with smaller build volume height.
20190708 I'm working on a How To Video and Tutorial to assemble the Jet Boat, but the most should be self-explanatory.
20190712 added pictures of cura settings and assembly
20190721 added a boat_cover with a changed coordsys, some slicer had problems
20190806 added a boat_hull version without 18650 battery mount
20190815 optimized boat_cover for easier 3d printing
20190907 new VideoTutorial to assemble the Jet Boat electronics
20190924 added boat_cover for Self-Righting
20191005 added boat_trimtabs
20191027 update boat_hull, nozzle, seal
Additional 3D Models:
Object License - Standard Digital File Store License
Remixing Not Allowed
Commercial Use Not Allowed
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3D printing settings
slicer: cura (please take cura, Don't take slic3r!)
support: only for cover
Optimize Wall Printing Order: Yes
Fill Gabs Between Walls: No
Use adaptive layers: Yes
Layer: 0.10 to 0.20mm with adaptiv layer
Infill Travel Optimization: Yes
Print Thin Walls: Yes (important for stator.stl)
Not to fast 30mm/s, to get a good layer connection. (It depends on the qualiry of your printer)
not to hot, because of dropping nozzle PLA 205*C
walls before innfill: YES
Ouline walls before inlines: YES
more details are shown in the pictures of my cura settings
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