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Hitec HS-635HB High Torque Servo

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Old 07-12-2004, 08:35 AM
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BlenderBender
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Default Hitec HS-635HB High Torque Servo

Anyone have any feed back on these servos? I was wondering how the Karbonite gears hold up?

Thanks In advance
John
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Old 07-12-2004, 06:31 PM
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JoeAirPort
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Default RE: Hitec HS-635HB High Torque Servo

John, what plane do you have in mind for these servos?

Joe
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Old 07-13-2004, 08:00 AM
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Default RE: Hitec HS-635HB High Torque Servo

Hey Joe,

Well I am not sure yet... I spoke with Hitech yesterday and they said that they are testing them now in a Yak and have seen no wear or slop so that is a pretty good test IMO. I know that there was a problem with the spline snaping off with the first servos but they have corrected the problem. I think I might give them a try and see how they do... I say might well I ordered 5 of them yesterday so I will let you know how well they hold up.

John
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Old 07-16-2004, 09:17 AM
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Shortman
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Default RE: Hitec HS-635HB High Torque Servo

Yeah I was the first or so to have the Spline break off my Hitec 475HB Karbonite servo over a year ago. Since then they have beefed up the screw or spline 2mm I believe to help correct the problem.
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Old 07-17-2004, 07:52 PM
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Default RE: Hitec HS-635HB High Torque Servo

I have them on ailerons of my Hype 3D. They center well, and have good speed and power.

Chuck
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Old 07-17-2004, 08:05 PM
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Default RE: Hitec HS-635HB High Torque Servo

My spline shafts snapped right off on my ailerons on a Kangke CAP232 120. It was my maiden flight, I was not a happy camper. Luckily I just had to buy a new wing, the fuse is in perfect condition. Hitech handled it just fine, they took care of me. The date code on mine was 4-4. If you use the 10mm screws, you should be fine. Mine were the shorter screws. I still would not use this on a larger plane like mine. I'd say up to 60 sized. 90 or 120 size and you're asking for trouble. Just my opinion though.

BTW, I ended up going to the 5645 servos all around. Maybe a little overkill but I don't want to crash again. I may not be as lucky next time.

Joe
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