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Electric Motors, Gearing, Speed Controls, Gyros, Receivers, and Other Electronics Discussion Electric Motors, Gearing, Speed Controls, Gyros, Receivers and Other Electronics Discussion


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Old 10-03-2006, 06:55 PM   #1 (permalink)
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Dose anyone have any experience with the HDS-877 Digital Micro Servo? I have herd they don’t last very long because they burnout motors.

Any info is greatly appreciated
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Old 10-03-2006, 08:33 PM   #2 (permalink)
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People seem to have quite variable experience with these. Some are trouble free, some burn up quickly. Me, I have two that I've never flown because they act so wierd just on the bench.

What application?
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Old 10-03-2006, 09:07 PM   #3 (permalink)
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I want to use mine as a tail servo on a HDX 450 with a 401 gyro. When I test it on the bench the servo is really jerky to progressive stick inputs i.e. when you move the rudder stick from center slowly all the way to one side the servo doesn’t go through the motion smoothly :? .

Also http://www.trextuning.com/hds-877.php has a review on it
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Old 10-04-2006, 12:07 AM   #4 (permalink)
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yup i expirienced that also. kept it aside.
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Old 10-04-2006, 10:01 AM   #5 (permalink)
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I’m swapping the 877 for a 577, hopefully it will work better
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Old 10-10-2006, 08:28 PM   #6 (permalink)
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577 works great :mrgreen: tail is nice and solid for now (5 flights)
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Old 10-11-2006, 08:24 AM   #7 (permalink)
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The other thing is to take the board out and stick it into a HS56. DHS56 is digital, but with better motor, pot, and gears.

A couple of threads on RC Group.
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Old 10-11-2006, 09:22 AM   #8 (permalink)
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:idea: post a link please
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Old 10-12-2006, 02:53 PM   #9 (permalink)
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http://www.rcgroups.com/forums/showt...t=digital+hs56

http://www.rcgroups.com/forums/showt...=digital+s3110
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Old 04-24-2007, 08:25 AM   #10 (permalink)
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i am running hds877 on 1 of my trex, digital model on 401 / 5 volts, over 50 flight now, it still rock solid. guess i could be the lucky 1
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