Wiring Help - RC Groups
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Mar 13, 2013, 10:51 PM
Registered User

Wiring Help

Im interested in building an rc hovercraft. My question is.. How are you guys running 2 separate motors and esc's? I plan on having a lift fan that i can control proportionally via my transmitter. And also a propulsion fan with a separate speed controller. Do i need to use some kind of board such as an arduino, or does it just hook into the receiver? Thanks.
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Mar 14, 2013, 12:04 AM
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are you using a car or plane transmitter? if you use a plane, i would set the throttle channel to the vertical lift motors esc and use the elevator channel for the propulsion fan.
Mar 14, 2013, 10:19 PM
Registered User
Plane tx/rx. So I can plug both esc's into seperate channels on the Rx?
Mar 15, 2013, 09:08 AM
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yes, just use escs without becs as not to overvolt the reciever. if your escs have becs, you will need to disable one of them.
Mar 15, 2013, 09:12 AM
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it will be tricky to get it to work properly, perhaps you should make the lift fan on a two position switch and put the propoltion fan on the left stick, or throttle.
Mar 15, 2013, 03:40 PM
We don't need no stinkin' tail
RPM314's Avatar
Why would it be tricky to have it be proportional?
Mar 16, 2013, 06:23 PM
Registered User
Yeah im just looking to have one channel lift and one channel thrust. Sounds like i just need to eliminate one bec as to not short out the receiver if im not mistaken.
Mar 17, 2013, 01:02 PM
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Yes you do need to deactivate one bec.
May 12, 2013, 02:01 PM
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davenglish's Avatar
Looking at the dates, you've probably got it sorted by now but I had recently had a hovercraft with the same setup.
The lift fan was on the throttle stick with an aircraft ESC (no reverse).
The drive fan was on the elevator stick with a car or boat ESC so it could reverse.
To disable one of the BECs, I removed the positive pin from the plug and tied it back.

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