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Servos buzzing

Old 01-29-2003, 05:56 AM
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Default Servos buzzing

Hi Guys
I just installed a pair of Futaba 9204 servos for my flaps.When the servos are in the home position [center] they buzz,until i lift up on the flaps by hand.there is no friction or binding going on,just the weight of the flap.When the servo are buzzing,is this causing a extra drain on the battery ?Would digital servos do a better job of holding center without buzzing.

Thanks Charlie
Old 01-29-2003, 01:38 PM
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Default Servos buzzing

Its quite normal for digital servos to buzz as they are trying to hold position against the weight of a control surface. You should hear the big aerobatic planes when they have say 10 or 12 of these digital servos buzzing along. People that aren't used to the buzzing take a couple steps back when the power it turned on.
Old 01-29-2003, 03:52 PM
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Default Servos buzzing

I just installed my first digital servos in a 30% edge, and as the originator of this thread states, I am experiencing an irritating buzzing, from the elevator servos, that can be made to stop with minute adjustments of the trim levers. Is this going to cause a drain on the battery? There is no bind in the linkage, or strain on the servos.

Bill
Old 01-29-2003, 06:45 PM
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Default Servos buzzing

The drain is a bit more, but not significant unless you let it sit on the ground for 30 minutes. If you can just touch the elevator with a smidgen of upward pressure and it stops, its not an issue at all.

If you are concerned, you can take a multi-meter and measure the current draw. It is quite low.

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