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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › older servo voltage rating
03-11-2012 08:19 PM  6 years agoPost 1
YSRRider

rrElite Veteran

usa

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I have some older servos that are already in a heli and wondering if they are safe to run on a HV setup like a LiFe 6.6V battery with no regulator.

S9203
S9303
S5101
S9202

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03-11-2012 08:53 PM  6 years agoPost 2
doorman

rrProfessor

Sherwood, Arkansas

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Servo Specs...
http://www.servodatabase.com/servos/futaba

This site contains a LOT of info!!

S9203 4.8
S9303 4.8
S5101 Could not find
S9202 4.8/6.0

I have used about all of these in the past on nicads, and my normal set up was with a 5 cell nicad, so they handled over 6 volts on a fresh charge...the ones I would worry about would be the ones listed as 4.8 only... I would use a regulator on all of them..and stay at about 5.1 to 5.2 on the 4.8, and the 9202, nothing over 6volts just to be safe...

Good luck and hope this info will help you out... Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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03-11-2012 10:32 PM  6 years agoPost 3
YSRRider

rrElite Veteran

usa

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I was on that site, I saw that they only listed 4.8v thought maybe it was old info.

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03-25-2012 11:03 PM  6 years agoPost 4
AirWolfRC

rrProfessor

42½ N, 83½ W

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A 4.8V rating means use on a 4S NiCd or NMHd pack which is 5.6V right off the charger. The implication is that the 4.8V servos can handle up to 5.6V

A 2S LiFe pack will be 6.6V nominal and 7.7V right off the charger.

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