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6v with hitec receiver and futaba servos jittery?

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Old 05-14-2003, 01:00 PM
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George E.
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Default 6v with hitec receiver and futaba servos jittery?

I use 5 cells on hitec/hitec combinations and they work GREAT

I recently tried 5 cells on a hitec receiver and Futaba 148's and they were slightly jittery.

Is this the combination or just the 148's on 6V?

Anyone have experience with 148's and 5 cells? What receiver?

Thanks
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Old 05-14-2003, 01:18 PM
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Jim Schwagle
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Default 6v with hitec receiver and futaba servos jittery?

I've found the Futaba servos I have (148, 9602, 9201, 9101, 9402) jittery on 6V. It usually goes away after a short while as the battery voltage drops slightly. This is with a Futaba receiver. I don't think the receiver has anything to do with it, it's the high voltage. Perhaps someone else can enlighten us with the particulars.
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Old 05-14-2003, 01:50 PM
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George E.
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Default 6v with hitec receiver and futaba servos jittery?

The servos are jittery when I move them from end to end quickly, they hesitate some during the motion. When they are sitting still they are quiet. The battery was charged a week ago so it's not a hot charge.
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Old 05-14-2003, 01:52 PM
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Jim Schwagle
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Default 6v with hitec receiver and futaba servos jittery?

All I can suggest is use the same transmitter on two different receivers to see if it is the receiver. If not, try a different transmitter. I suppose you would just need to isolate the culprit, receiver, transmitter or particular servo.
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Old 05-14-2003, 02:05 PM
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George E.
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Default 6v with hitec receiver and futaba servos jittery?

Thanks

I posted in the support forum to see if the reps have any experience with this.

I just ordered a new Futaba receiver, when it arrives I'll isolate the problem.
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Old 05-14-2003, 03:40 PM
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ilrcflyboy
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Default 6v with hitec receiver and futaba servos jittery?

Let us know what the product reps say. I've been told that unless you regulate that 6v battery down to exactly 6V or less, then some servos are jittery, even causing surface flutter with a gas engine running.
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Old 05-14-2003, 03:55 PM
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George E.
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Default 6v with hitec receiver and futaba servos jittery?

I have a 5 cell unregulated Nimh battery in my U Can Do using a hitech receiver and hitec 425's, 605, and a 55. Everything works great. I fly right off the charger and there is no sign of jittering at all. I was so happy with the combo I was switching to all 5 cell packs when I ran into the trouble with the Futaba 148's.
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