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M-Jet Supersprint - 3D Printable RC Jetboat Model 3D print model
Description
Join the official M-Jet facebook group! https://www.facebook.com/groups/623045356071128
PDF MANUAL FOR SUPERSPRINT: https://drive.google.com/drive/folders/1f-epKNBlcqGcuJU5rGvYQleL7ayPnrRe?usp=sharing
SUPERSPRINT HARDWARE KIT by RCPrinter: https://rcprinter.com/products/m-jet-supersprint-v1-0-build-kits
Supersprint is 400mm long, resulting in scale 1/10. Designed for fun and ease of build, but at the same time the newest and brings all important M-Jet features developed over time. Has full documentation, build video and manual.
This file package contains: Original M-Jet Sprint & Supersprint
Supersprint is the newest update, which brings the most recent M-Jet features developed by M-Jet Development and the community into a brand new design, while keeping the style of the original M-Jet Sprint.
Note: This is not a physical product. After purchase, you can download computer files which you can use to manufacture your own parts on a 3D printer. Fully functional and complete RC boat model. All parts including the jet pump and pilots are included.
Supersprint includes:
STL files for all parts of the boat, including the pump, designed to be FDM 3D printed, mostly with no supports.
STEP file of the whole boat except for the pump (the pump is only included in the STL format).
You can 3D print it and assemble it with help of the manual, link above. You need to buy all electronics, screws and other necessary parts yourself - part list is in the manual, too.
Update log
Sprint 2021-12.03.2024 - update log was deleted because CGTrader did not allow description longer than 10000 characters.
Supersprint since 12.03.2024
Update 12.03.2024 Supersprint V0 was uploaded.
Update 14.03.2024 Supersprint V0.1: A quick small patch. An issue with too low wall thickness on hull middle in front left part of the lid interface was fixed - thanks San Xu for reporting this. An instruction about ESC placement was added into the manual.
Update 17.03.2024 Supersprint V0.2: Some more information was added into the manual, part list and the drawing. Length of the flat spot on the driveshaft in the motor coupler area was slightly decreased.
Update 20.03.2024 Supersprint V0.3: Slot for a third threaded insert for an option to adjust the ride plate was added onto the pump based on suggestion by Ryan Frair. 3 new ride plates with a hole for a third screw were added. The default tolerance on the main bearing in Hull rear was slightly decreased for a tighter fit. After a discussion with Justin Wombwell, a tolerance mod for tighter tolerances on both seals and both bearings was added into the MODS folder. Also, based on a feedback from Justin Wombwell, the TPU lid corner was extended for better grip. Tiny changes to file naming and part list were performed. Thanks everyone for your feedback!
Update 26.03.2024: Upon a request, a single piece hull STL was added into the hull folder. Furthermore, the motor KV chart was modified based on measurements of the Supersprint's pump. Maximum recommended KV for 3650 and 3660 motors was decreased. Recommendations of battery capacity were added. The STEP file was renamed to match the version V0.3 but there are no changes to it.
Update 21.04.2024: Supersprint V0.4: Optimisation of the pump is finished with the optimised impeller. Improved Lid_base geometry thanks to suggestion by Lenny B - thanks for your contribution!
Update 29.04.2024: A 3D printable watercooling jacket for 36xx motors designed and kindly shared by Lenny B was added into the MODS folder in Supersprint V0.4. Thanks for sharing!
Update 15.05.2024: A note about TPU Lid hardness was added into the Supersprint manual and Supersprint part list. The TPU hardness should not exceed 40D / 85A to generate proper seal of the lid.
Update 19.05.2024: A long bumper for the Sprint was added into the Mods_for_M-Jet_Sprint folder, front bumper.
Update 24.06.2024: Supersprint V1. 1) Supercharged V8 Engine with a moving butterfly valve, including a build video: https://youtu.be/LI-jd7MZr8I?si=lIpHHRi-onzhaG0s 2) Printable tool for painting flames 3) Drybox mini 4) V0.4 to V1 conversion package to make the engine work with Supersprint V0.4 5) Multiple explanations added in the file folders, where questions were arising frequently. Some touches to the documentation. File organization. Some mods from you now in one place.
Update 09.07.2024: A single piece hull version was added into the Supersprint_V1 Hull folder.
Fix 11.07.2024: A mistake in the part list (both in the excel sheet and the manual) was showing a 3x53 engine slider shaft instead of 3x62 engine slider shaft. This is now corrected to 3x62 engine slider shaft, thanks Jordan for reporting the issue.
Update 21.07.2024 Thanks to a suggestion by James, a version of hull front joined together with hull middle has been added to the Supersprint V1 hull folder. This can be printed as a single piece without supports. Despite being possibly a bit unstable on the print plate, some people might prefer this and avoid one glued joint.
Update 05.08.2024 A modded servo mount with different geometry for a different servo by Dave was added into the Supersprint MODS folder. Thanks for sharing!
Update 12.08.2024 Upon a request, more nozzle options were added to the existing collection: +7, +12, +20. (I guess there is no reason for not adding more nozzles:) Furthermore, a modified Motor mount versions for different servos with altered shaft position were added into the Supersprint MODS folder.
Update 16.08.2024 A Jet Jam mod which uses the original Sprint pump scaled down to 75% created by Justin was added into the Sprint mods folder. Thanks for sharing!
Update 30.08.2024 The empirical equation in the Supersprint manual to calculate amp draw was updated to better match reality at very low KV and simplified to the most user friendly form.
Update 31.08.2024 Some nozzle versions were placed upside down. Thanks James for reporting this issue, it's now corrected. Description of ESC in part list was refined.
Update 01.09.2024 The steering shaft was found to have slightly incorrect dimensions. Drawing, part list, manual and STEP file were updated, the steering shaft should be 110mm long instead of 112mm (old).
Fix 03.10.2024 Based on a report, KV selection for 28xx motors was designed too high and could lead to damaging the motor. Recommended KV for 28xx motors was reduced in the manual. No other changes.
Fix 02.11.2024 Based on a report, the Steering and driveshaft jig by Kristian in the Supersprint mods folder was resized to fit the new version of Steering shaft. No other changes.
R
russellarmour 2024-09-25 15:30:52 UTCrussellarmour
Is there a recommended servo for the sprint? I Have an issue with the servo horn fitting the steering rod & the other brand servos I have at hand are the same
M-Jet-Development
Hey, I used something like this:
https://hobbyking.com/en_us/turnigytm-tg9d-digital-micro-servo-1-8kg-0-09sec-9g.html?srsltid=AfmBOoqXe9lBdyIsbyHZ2RSk6Hc0ztGanOV2hR_pqvCOAlmFc7hSqhOj
You can also try searching the Sprint mods folder. There are some alternate steering rod versions, maybe one will fit your servo better.
If you ever build a new boat - Supersprint uses a different system which makes mounting the servo easier.
Stepan
D
desie 2024-09-16 01:10:26 UTCdesie
hi i built the boat and im having a problem whit keeping the water out the boat and its coming from the roof do you have any solations
thank you
M-Jet-Development
Hello,
This highly depends if you built the Sprint or Supersprint. Which one did you build?
There are some tips I can give you to seal the Sprint.
Then, the Supersprint has greatly improved TPU Lid which reportedly doesn't have any common leak problems anymore.
D
desie 2024-09-16 10:35:15 UTCdesie
I built the original sprint
M-Jet-Development
I see. In that case, I suggest the following:
Carefully inspect the dimensions of the lid. Then scale it in your slicer in X and Y differently to make it bigger or smaller in either direction.
It also helps to apply grease on the sillicone pipe which seals the lid.
If none of that works, last solution is to use tape around the lid each time.
If you ever decide to print a new boat, the Supersprint is greatly improved and no longer has this issue. You can download the newest version, click your profile and "My purchases".
Hope this helps.
D
desie 2024-09-02 23:12:33 UTCdesie
I am new to RC boats and need some guidance.
Motor - 2150 Kv (3660)
Battery - 2250 mAh (4S) 14.7 Volts
ESC 90 A Flycolor
Was just setting up electronics, motor out of the boat, free wheeling. Working on controlling the motor, going from full forward to full revers a few times. I know not recommended. I know this boat does not need reverse. ESC started to smoke and make noise, no longer works.
Is my ESC sized correctly?
Did my sudden forward revers kill the ESC?
Open to any and all recommendations...
Thank you in advance!
M-Jet-Development
Hey, I am sorry to see that your ESC burned, even though you selected all components perfectly. Spinning the motor back and forth, even though not a regular operation, should never cause any ESC to burn, this is not your fault. There are dozens of people with the exact same ESC without any problems. I would suggest trying to refund the ESC, or getting a new one. If you don't want to get the Flycolor again (understandable), you can try ZTW Shark 100A.
Stepan
C
cardonadaniel333 2024-08-29 20:11:05 UTCcardonadaniel333
Stupid question, can you or did you use the Supersprint on salt water? Is the compartment water-tight enough not to let water in?
M-Jet-Development
Supersprint can be almost entirely watertight when built correctly: https://youtu.be/4ZOJxDgFrgE?si=EMNI9dJqj7hTeDDI
However, salt water will just always destroy some components after time, no matter what you do. Even stainless bearings rust, shafts, fasteners will rust, motor bearings, connectors. It will require a lot of maintenance.
The most important tip is to run fresh water through the cooling loop after every run.
C
cardonadaniel333 2024-09-01 20:13:34 UTCcardonadaniel333
Thanks for your kind and encouraging reply, May I also ask what would be the preferred Material (or suggest) for the Hull between PLA or PETG for maximum Impact resistance?
M-Jet-Development
From these two, I would personally choose PLA. If there were any pictures of cracked hulls in the M-Jet facebook group, more of them were PETG than PLA. It still highly depends on your printer, settings, filament brand, filament moisture, and overall I don't have any universal objective conclusion.
M
martijn82 martijn82
S
steve-33aaa3 steve-33aaa3
Looks like a great build... Thank you for the time putting this together.
J
james-t-rc james-t-rc
Awesome piece of kit! 10/10 would buy again if I had to. This is now my go-to RC boat and I’ve playing with them for almost 20 years. Thanks for such a great design for such a reasonable price.
F
fischmann01 fischmann01
Sehr gut, gerne würde ich wieder etwas kaufen
M
mppcalza mppcalza
I've printed the hull and jep pump housing out of Bambu Labs ABS GF. Fit is perfect, just waiting on my electronics and then I'll go terrorize the old men down at the lake with their sailboats. LOL.
M-Jet Supersprint - 3D Printable RC Jetboat Model
Editorial No Ai License
M-Jet Supersprint - 3D Printable RC Jetboat Model
Editorial No Ai License
3D Model formats
Format limitations
- Stereolithography (.stl) (3 files)390 MB
- DXF (.dxf) (2 files)279 MB
- PDF (.pdf) (3 files)390 MB
- 3D Manufacturing File (.3mf)111 MB
- JPG (.jpg) (2 files)297 MB
- PNG (.png)111 MB
3D Model details
- Publish date2021-03-23
- Model ID#2941615
- Ready for 3D Printing
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