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HomeAircraftHelicopterHelicopter Main Discussion › BK servo case difference
12-07-2015 02:00 PM  33 months agoPost 1
Dave763

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Fairport, NY

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I switched my Futaba 9452 cyclic servos to BK DS-7002HV on my older Trex 700N.
With the BK servos the ball links did not have clearance when the balls were mounted on the bottom of the servo arm. The same as they were on the Futaba servos.
I had to move the balls to the top of the arms, and use button head servo arm screws to gain clearance.
In the end it flies great. Loving the BK servos!
Just wish the case was the same as the Futaba and JR case.

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12-09-2015 04:36 AM  33 months agoPost 2
wc_wickedclown (RIP)

rrProfessor

long beach calif

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looks good i like the blue i have the red ones

Insha Allah made in america

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12-09-2015 06:06 AM  33 months agoPost 3
mr dan

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Stockton Calif

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You can get the clearance by using a servo horn that has a taller root base .

"R.I.P Roman" Citizen 0094 in the Nation

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12-09-2015 07:53 PM  33 months agoPost 4
ticedoff8

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Morgan Hill, CA. USA

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The BK-700X servos seem to be designed for the 550/600 helicopters.

I wore out a BK-7005HV on my 700N tail rotor after about 100 flights

And, I was reading another thread where they wore out one of three BK-7002HV swash servos on their 700N after about 200 flights.

Just saying.

Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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12-09-2015 08:43 PM  33 months agoPost 5
Dave763

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Fairport, NY

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I'll keep an eye on the DS-7002s and see how they do. I put the BLS-8005HV on the tail, only a few flights so far.

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12-14-2015 07:14 AM  33 months agoPost 6
nwmtech

rrApprentice

Bellingham, WA

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The BK-700X servos seem to be designed for the 550/600 helicopters.
I wore out a BK-7005HV on my 700N tail rotor after about 100 flights
And, I was reading another thread where they wore out one of three BK-7002HV swash servos on their 700N after about 200 flights.
Just saying.
What do you mean by "wore out"? Just curious what symptoms you had. I've got a couple hundred on two sets in 700's and they're plugging along just fine.

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12-14-2015 03:29 PM  33 months agoPost 7
IYKIST

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London united kingdom

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nwmtech, are saying they are still working but working slowly

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