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10-20-2008, 12:52 PM
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#1 |
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Flyin' Around
 Join Date: Oct 2008
Posts: 3
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JR 8711 servo strange sounds maybe
I was recommended to seek advice here so here I am.
I've only just started using digital servos and bought myself some JR8711's When I swapped the analog servos for the digitals I keep hearing like a violin sound when the transmitter sticks are moved and held in any position . The sound goes away when the servo is centered but increases in pitch when resistance is added to the moving surface. If I tap the moving surface when the servo is moved to a position and held there the noise also goes away which I guess means its slightly sticking. The same situation is on all surfaces to a <> degree but is noticeable when high rate switches are flicked. My question is: Is this a normal sound for digi servos or does it indicate a problem with the servo? If the noise is normal then i can fix the slight sticking on the surface. I know with analog servos theres a distinctive humming noise when load is applied especially when the surface binds which mine are not. I checked. Sorry if this is a dumb question. New things take time to get used to. Thanks for any help Pete |
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10-20-2008, 12:58 PM
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#2 |
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How much did that thing cost?
 
Join Date: Oct 2007
Location: Elk River, MN
Posts: 952
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Re: JR 8711 servo strange sounds maybe
Digital servo's are definitely noisy. They will hum quite a bit, even around center(especially on ailerons). To me, this sounds like normal noise to me.
__________________
www.kingkonghobbies.com |
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10-20-2008, 01:56 PM
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#3 |
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Super Moderated Contributer!
Join Date: Mar 2006
Location: USA, SD, Worthing
Posts: 5,916
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Re: JR 8711 servo strange sounds maybe
That sounds normal to me.
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10-20-2008, 05:12 PM
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#4 |
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Flyin' Around
Join Date: Oct 2008
Posts: 3
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Re: JR 8711 servo strange sounds maybe
Cant argue with experts. Thanks very much for your help
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10-20-2008, 06:58 PM
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#5 |
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Got Twins???
Join Date: Jan 2006
Location: Columbus, GA
Age: 35
Posts: 4,117
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Re: JR 8711 servo strange sounds maybe
Its normal.
__________________
Carden Aircraft Hodges Hobbies Red Aero Rc Pilots Aero3dgfx.com |
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10-20-2008, 07:31 PM
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#6 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Ontario Canada
Posts: 221
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Re: JR 8711 servo strange sounds maybe
just make sure there is no binding and the surface can move freely.
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