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-   -   Servo question, please set my mind at ease.. (https://www.rctech.net/forum/radio-electronics/586635-servo-question-please-set-my-mind-ease.html)

MSCAVA 01-11-2012 08:24 PM

Servo question, please set my mind at ease..
 
Just picked up a Futaba S9350 servo for a Losi XXX-SCT I'm putting together. I see it mentioned as a 1/8 scale servo and high-draw, etc... Is this going to cause me any problems? I plan to run a basic brushless system (Castle SCT maybe) with 3300 NIMH packs for now.

Here are the servo specs for reference. Doesn't seem to have any extraordinary torque/speed...

Thanks in advance for any feedback!

Control System: +Pulse Width Control 1520usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.15sec/60 degrees at no load
Operating Speed (6.0V): 0.12sec/60 degrees at no load
Stall Torque (4.8V): 111 oz/in. (8kg.cm)
Stall Torque (6.0V): 139 oz/in. (10kg.cm)
Operating Angle: 45 Deg. one side pulse traveling 400usec
360 Modifiable: Yes
Direction: Counter Clockwise/Pulse Traveling 1520-1900usec
Motor Type: Coreless Motor
Potentiometer Drive: Indirect Drive
Bearing Type: Dual Ball Bearings
Gear Type: All Metal Gears
Connector Wire Length: 12"
Dimensions: 1.6" x 0.8"x 1.5" (41 x 20 x 38mm)
Weight: 1.4oz. (41g)

mctonyb 01-11-2012 08:41 PM

I run a very similar setup with that same esc/motor combo you mentioned and it worked ok for the most part but I'd periodically get random glitches while driving.

Sometimes on tighter portions of the track I race at I'd lose steering briefly, or on a high-speed sweeper where I was at almost full-throttle while holding a long turn. A couple times the glitches almost caused a very serious crash!

I since added a capacitor to the system and I've yet to experience any of the glitching. I'd highly recommend that for sure. Cheap insurance!


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