Hooking up giant scale control surfaces - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Giant Scale Aircraft Discuss Giant RC Scale Aircraft.

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Old 05-30-2006, 07:05 AM   #11
Garrett Fisher
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LOL, I think I had a bit of a briain freeze when I posted before. I forgot that this is a trainer. In that case a matchbox would probably be over kill.

Also, you probably still nedd 2 servos to run the rudder if you are using standard ones, or you could go with a single high torque servo or 1/4 scale servo on the rudder. And I'd still recommend a pull-pull system. If you're not fond of running the lines, you could mount your rudder servo on the bottom of the fuse, centered, and run a pushrod to each side of the rudder.
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Old 05-31-2006, 09:14 AM   #12
Mike Emilio
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Originally Posted by Garrett Fisher
Ditto on that. I have 2 servos it the tail of my 30% Edge with no problems. I braided (not twisted) the leads and installed Toroid Ring on them. Any servo lead over 2 feet should have a choke or ferrite ring in my opinion.

All this may be overkill but I've also never had a single glitch with the 4 foot servo extensions.

I also used 4-40 threaded rod for my linkages with Dubro Ball Links. After test fitting the rod length I slid a length of carbon fiber tube over the threaded rod in the center, leaving an 1/8" thread to the ball link on each end, to renforce it. Then dabbed a few drops of thin CA in the ends to hold it from sliding around. The linkages are solid like steel and lighter than using a single heavy rod.
Because of very long wire lengths, I use an 8 channel glitch buster on my bird. It's all part of reducing as much risk as possible. To get hit by stray EMI would be disasterous and too late to make a decision to install one or not. They are relatively cheap compared to the price of adding a little peace of mind to your expensive project.

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Old 05-31-2006, 10:19 AM   #13
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Mike, thanks for the reply. Well I think I can swing $80 or some piece of mind Even though this isnt a very expensive project to start with, iterferecne is a pretty big concern due to the magneto ignition on my engine.

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