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I have 3d printed an airboat and need help getting power set up, motor, esc, servo, prop, battery, radio and receiver. I have included a link to a picture of the boat. The person who made the model suggest using cheap parts from Amazon. I attempted to use parts he suggested, however had problems with 2 motor kits, 1 motor worked intermittently the other just vibrated, so sent them back. Want to get decent set up because I have 2nd bigger boat to set up next. Any suggestions would be appreciated.
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I am looking to do a similar build with an Airboat of my own design. While I haven't gotten far enough to say I've tested my theories yet, I have realized that my first task is to see what battery fits with all the other electronics in the boat, and where does it fit. Do I have enough hatch to install/uninstall the battery with relative ease? Where does it put my COG (center of gravity)? It is the heaviest and biggest component to get in/out. From there, you can start sizing the motor, then ESC, servo, etc. The prop you end up with will be a combination of RPM's and power draw a particular prop gives you. I believe this part WILL require testing of multiple props to find the sweet spot of proper amp draw and temperature control. A lot of factors go into prop selection, like a boat.
Example setup:
3S Lipo (5200ma or so)
Leopard lc-450 3500Kv
Hobby Wing "SeaKing" 30 v3 Amp ESC (it's waterproof) but a 40amp Skywalker Plane ESC would run this boat well, it's just not waterproof
Might start with a 10/6 or 10/7 electric prop. You can probably go bigger but that's more load on the motor and is the motor mount tall enough to support a 12" prop
waterproof servo
receiver
There's a million ways to do what you're looking to do, but I'd start by trying to see what kind and where the battery fits and build from there.
NAMBA#: 1684
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