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09-11-2009, 04:08 PM
| #1 |
| Quarry Creeper Join Date: Mar 2009 Location: Torrance, CA
Posts: 492
|  Servo for airplane use only?
I have a JR DS8411 servo and the box says "for airplane use only." What gives? Any reason why I can't use this for a car?
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09-11-2009, 05:08 PM
| #2 |
| Quarry Creeper Join Date: Aug 2009 Location: Palo Alto, Bay Area
Posts: 218
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I think that warning is there so that it is not used in Heli's http://www.rcgroups.com/forums/showthread.php?t=159845 A quick google found me that. Basically, the load changes and vibrations from a heli cause its output shaft to shear off and lose control of the heli, which can be dangerous. Shouldn't be a problem for a ground vehicle though. An out of control heli is mouch more dangerous than a crawler than can't turn, lol. |
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09-11-2009, 05:31 PM
| #3 |
| I wanna be Dave Join Date: Feb 2005 Location: Cleveland, OH
Posts: 8,009
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Could also be an input-voltage thing. A lot of JR digitals don't like anything over 4.8
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09-11-2009, 06:40 PM
| #4 |
| Quarry Creeper Join Date: Aug 2009 Location: Palo Alto, Bay Area
Posts: 218
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well, planes use jsut as much power if not more than RC's. They give ratigns for that servo in 6v, so idoubt it can't take 6v.
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09-11-2009, 07:23 PM
| #5 |
| Newbie Join Date: Mar 2009 Location: Dickson
Posts: 37
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I am pretty sure it is referring to not using them in helicopters. I do remember a few years ago people were having lots of failures with certain JR servos in helicopters due to vibration. I can't remember exactly which ones but I think the 8411 may be one of them.
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