200% SB90 on a Creality Ender 3

This is the building forum for the Combat Boat 90. If you are interested in the STL's for this project, they are available to those who help me by contributing 15 Euro. Then you get access to a sub-forum where STL's, instructions and mods are located.
Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Thu Aug 01, 2019 6:30 pm

Hull sections one and two have been pieced together out of the 15 individual pieces. I used a soldering iron to first join them and create a channel. After that I went back with my pen to fill the voids and create a solid water tight hull.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Tue Aug 06, 2019 11:07 am

Well, all the main hull pieces are printed. Started messing with the pumps. I melted some brass inserts into the pumps for the attaching hardware. After some chatting with Matsa about his 1/10th I’ve got an idea on electronics and running gear.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Thu Aug 08, 2019 4:44 pm

Hulls is almost done, paint prep and sanding is coming up next. Not looking forward to all that.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Sat Aug 10, 2019 6:26 pm

I’ve made some more progress. The cabin, jet pumps and forward deck have all been printed and pieced together. I’ve put brass inserts everywhere on the pumps to make assembly and disassembly super simple. Just waiting for hobbyking to send the motors so I can get the last bulkhead in and start priming and painting.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Sat Nov 09, 2019 7:34 pm

Well some progress has been made. I’ve got the first coat of primer down. Have ALOT of areas that need filler. I’ve got all electronics need to get her running. Once I get the bottom done I’ll get it running to verify it’s all good before I put a bunch of time in details.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Sun Nov 10, 2019 9:41 pm

Some progress on the bottom.
Attachments
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A coat of primer over the sanded glazing putty. Hope I can get mine as smooth as Matsa’s.
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Some glazing putty applied to fill all print lines and imperfections.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Sat Nov 16, 2019 4:32 pm

Got the pumps assembled. Now to take measurements and design a motor mount. Hoping to get a test run in the next couple weeks.
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Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Wed Nov 20, 2019 6:33 am

Slowly but surely it’s coming together. Got my motor mounts designed and printed. Haven’t glued them in yet but they will be secured soon. I still think these 2000kv 4074 motors might be a bit over kill but I do have 3S, 4S and 6S batteries to do testing with.
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Freudenburg
Posts: 1
Joined: Fri Nov 29, 2019 11:37 am

Re: 200% SB90 on a Creality Ender 3

Postby Freudenburg » Sat Nov 30, 2019 4:57 pm

You designed those motor mounts yourself, right Kylecox1019?

Kylecox1019
Posts: 34
Joined: Wed May 08, 2019 11:57 pm

Re: 200% SB90 on a Creality Ender 3

Postby Kylecox1019 » Sat Nov 30, 2019 7:11 pm

Freudenburg wrote:
Sat Nov 30, 2019 4:57 pm
You designed those motor mounts yourself, right Kylecox1019?
Yes, I drew them up in Fusion360. Just got the dimensions of the motor and subtracted the area that the water jacket covers.


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