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Nick
Experienced Roboteer
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
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Over-volting adventures:
After the Nats event, I am beginning to think that the split voltage wiring either needs an update, or I should go back to a single voltage system. Running everything on a single 6S pack is the simplest option and now that HobbyKing sells a reasonably good reversing 6S capable ESC, its time to try it out in Mr Mangle.
The motors are only rated for 4S, so going from 14.8V up to 22.2V is a 1.5 X increase. Doing the maths shows the power increase is 2.25 times, so the motor's peak power goes from 95W to 214W. That's quite a bit from a small 540 sized motor but as they barely get warm during an average match, its at least worth testing.
The only problem so far is setting the ESC up with the motor; for some reason, the motor is drawing a much higher current in reverse, but only when running in sensored mode - it runs fine in sensorless mode WTF is up with that? I thought it might be timing but the motor is clearly in the neutral timing position. _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
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Sun Nov 02, 2014 9:35 pm |
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