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FP-S48 Servos

Old 07-06-2017, 06:24 AM
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jpeggy
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Default FP-S48 Servos

I was given some old Futaba FS-S48 servos. Are they still good to use they were with an old AM radio.
Old 07-06-2017, 11:29 AM
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raptureboy
 
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If they still function, and you can trust them to work, then yes. New std ones are not that expensive and I wouldn't want to risk losing a plane over it.
Old 07-06-2017, 11:40 AM
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jpeggy
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They have never been used. My brother built a plane and never installed then he gave me an old am radio with these servos. I know I can't use the radio but I tried the servos and they work.
Old 07-07-2017, 06:58 AM
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Rodney
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Yes you can use them with no problems. Now the older Futaba servos were not set up for a 1.5 millisecond neutral so, with neutral trim on the Xmter, the servos will not center in quite the same position as the later brands of servos do. Now, you can open up the servo case and rotate the motor a slight amount to get the servos to center the same as the later issues do. That is not necessary though, you can just go ahead and use them as is. If the servo horns are the old square hole, you can not reposition the arm to correct this offset. If it has the odd number of splines on the servo output shaft, then you can just rotate the arm on the shaft by a spline or two to correct that.
Old 07-07-2017, 11:47 AM
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jpeggy
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Thanks for the input.
Old 07-10-2017, 04:26 AM
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Great for throttle servos or other non-precise applications.

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