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Battery for R/C Servo

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Battery for R/C Servo

Unread postAuthor: TurboSuper » Tue Jan 20, 2009 6:40 am

I am trying to power a bunch of servos rated for 4.8V-6V. I was wondering if using a 6V NiMH battery would cook the servo or not. I know that coming off the charger the 6V battery would be closer to 7V, but with load conditions it might get pushed back closer to 6V. How much over-rating can I push a servo?

So I'm wondering if anyone with experience with servos could clear this up, thanks.
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Unread postAuthor: inonickname » Tue Jan 20, 2009 6:50 am

Unsure. A 6v battery would stay at 6 volts, but it would be simple to rig up a rheostat or something similar. As servos are a back/fourth movement you probably need a controller, but you could try reversing the polarity, may not work with 3 pin servos though.
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Unread postAuthor: maggotman » Tue Jan 20, 2009 7:44 am

on my petrol rc air boat i use a 7.2 3300mh batter to power the servos no problems
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Unread postAuthor: TurboSuper » Tue Jan 20, 2009 7:53 am

maggotman wrote:on my petrol rc air boat i use a 7.2 3300mh batter to power the servos no problems


Awesome, what servos were you using?
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Unread postAuthor: maggotman » Tue Jan 20, 2009 8:00 am

on the throttle ime using 2 futaba standars and on the ruddders 2 hitec mettle geard hi torque ones
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Unread postAuthor: TurboSuper » Tue Jan 20, 2009 11:54 am

Cool, I'm using Hitec ones too, guess I'll go for the 6V battery then (still not too confident with 7.2V). Thanks
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