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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion › Cyclic Servo on Tail For Scale Application
12-23-2015 05:25 PM  3 years ago
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TailKiller

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Panama City, FL

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Cyclic Servo on Tail For Scale Application
I was wondering if I could use a cyclic on the tail of a 700 AS350. I was thinking it may work due to the smooth easy flying style of scale. I have a couple of DS610m's that I'm not using. Any input would be welcome. Thanks.
,Dennis
http://pcrcheliclub.com/
700 Astar Super Scale T-600 Bell 206 Trex 600 Naza H DX8
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12-23-2015 06:05 PM  3 years ago
Copter Doctor

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Enterprise/ft.rucker ,al- home of army aviation

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High speed servos work best on yaw gyros but ive used a std servo without any issues. just make sure if your gyro has a selection for digital or analog servos that you have the switch on the correct one.
My 700 A-Star has a regular digital servo with no issues at all.
drive a rotary, fly a rotorcraft
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12-23-2015 08:46 PM  3 years ago
ssmith512

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Indianapolis, IN USA

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I concur with Copter Doctor. I am using a "standard" (not a heli rudder specific) servo on the tail on my Airwolf - the first time I have used a standard servo on the tail. She flew just fine.

Granted when I start piro flipping and doing piro tic-tocs with the Airwolf, I might encounter some issues, but we will deal with that after she is painted.
Steve
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12-23-2015 09:37 PM  3 years ago
coptercptn

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Mesa AZ. USA

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Yep...all I worry about is having enough torque on the bigger birds (with decent speed) and you're good to go...Home of the "Sea Cobra".....
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12-23-2015 09:37 PM  3 years ago
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Granted when I start piro flipping and doing piro tic-tocs with the Airwolf, I might encounter some issues, but we will deal with that after she is painted.
drive a rotary, fly a rotorcraft
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12-24-2015 03:42 AM  3 years ago
TailKiller

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Panama City, FL

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I'd like to see a big airwolf doing tic toc's.. I've got the mechs on the bench and the tail seems to be working fine except for an issue I ran into once before and can not remember how I corrected it. When I flip from Rate mode to HH, I get a little kick and a small blade pitch change. The frequency for the ds610 is 1520 / 200... the closest I can get in the naza is 165 or 270... no custom entries. I don't want to push the use of a std servo on the tail if I can't correct the kick.,Dennis
http://pcrcheliclub.com/
700 Astar Super Scale T-600 Bell 206 Trex 600 Naza H DX8
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12-24-2015 06:46 AM  3 years ago
Andy01

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Brisbane, Australia

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I am not familiar with the DS610, but on paper it is slightly faster and slightly more torque (at 6V) than the Futaba BLS451 servos that I currently use on;

500 sized UH-1N
600 sized Seahawk (4x 105mm tail blades)
800 sized Baumann EC-145 (2x 150x41mm tail blades)

All 3 helis have "well behaved" tails

Colin
Vario Long Ranger 700e
Seahawk 600
UH-1N 500
Baumann EC-145 800+ (coming soon )
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12-24-2015 03:12 PM  3 years ago
coptercptn

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Mesa AZ. USA

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Oh, yeah if anyone is going to do piro flips or tic tocs it would be Steve!!! After his Cobra display @ Dalton this year with loops and rolls...😱
Although Stan did try tic tocs with his 34..? But,....Steve did it on purpose..? Not so much..with Stan.....!!!
Home of the "Sea Cobra".....
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12-24-2015 04:28 PM  3 years ago
doorman

rrProfessor

Sherwood, Arkansas

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Attempted....

What can I say... But, it was a pretty cool auto!!!!

Stan
AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft
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12-24-2015 05:39 PM  3 years ago
Keygrigger

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Mississauga, Ont. Canada

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For the better part of two seasons, I used a Spektrum surface servo, S6030, on the tail of my TOW Defender. It is very slow as it is a high torque steering servo but it did the job very well with the slightly undersized blades I used at the time. I was never in a situation where the gyro could not handle the wind (once I had the right tail blades) but I have now changed it to an Align DS620 which is a fast medium torque servo. The size of the blades will have more effect on the anti-torque capability than the speed or power of the servo. If you don't have enough tail, all the speed and torque won't matter a bit.

One other thing to take into account. If your controller cannot give the servo a signal at the rate it is designed to work at, you can run into problems. You might find that you need to tell the controller that you have a generic servo or find one that has the same specs and set the software so that the servo has the correct bus and frequency settings. Most servos are 1520 and a great number are 200mhz. You can run it slower but don't run it faster. Hope this helps.

Don
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12-24-2015 11:26 PM  3 years ago
doorman

rrProfessor

Sherwood, Arkansas

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Same Servo's
I have been using the same servos on the cyclic and tails for a very long time..
Depending on the servo used
I might step the voltage down to 4.8 on the tail..
My latest setup is JR 8911 HV's all around and running 2c lipo to everything... and I like it!!
Stan
AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft
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12-25-2015 02:48 AM  3 years ago
TailKiller

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Panama City, FL

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It's good to know that it can be done with no ill effects. I'm going to test fly it with the stander servo. The tail on my JR has always been faster then I wanted even when tuned down. I have a S9254 for backup if the std doesn't work out. I still can not get the kick out when I flip from Rate to HH. I always setup with enough mechanical bias in the tail to hold the tail in rate mode at a set rpm. My JR doesn't kick and I'm using the same controller and all the same settings for the tail. Or is this normal??,Dennis
http://pcrcheliclub.com/
700 Astar Super Scale T-600 Bell 206 Trex 600 Naza H DX8
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01-06-2016 04:17 PM  3 years ago
capesandblaster

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Truro, MA

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I was using align DS620 servos on my 700 size MD500e and my Vario EC145 with a helicommand HC3x 3 axis. I was getting a little wag when stopping turns and could never quite get it dialed out. I had read that the 620's had some centering issues and didn't play well with helicommand units. I've replaced both with bls451's and they seem to be much better. Don't get me wrong, the 620's worked pretty well, but the 451's were better.
Adam
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