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crossing pull pull cables

Old 03-14-2006, 04:18 PM
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Hill202
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Default crossing pull pull cables

I'm using nylon coated pull pull cables on the rudder. Is it okay to cross the cables in order to get a straighter line to the rudder? In other words the left side servo arm will be connected to the right side rudder control horn. I don't think they are touching but its hard to tell.

The plane is a 1/4 scale clipped wing cub.

Thanks
Old 03-14-2006, 04:20 PM
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MinnFlyer
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Default RE: crossing pull pull cables

No problem
Old 03-14-2006, 04:23 PM
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Hill202
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Default RE: crossing pull pull cables

Thanks, if they are touching can it cause interference ?
Old 03-14-2006, 07:48 PM
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ArCeeFlyer
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Default RE: crossing pull pull cables

Anything metal vibrating together is never a good thing in the signal department. I've seen several cases of metal vibration glitching the Rx and causing a crash and they all worked fine on the ground off or at low throttle. Your wires are coated though and shouldn't cause any problem unless they wear through later on. It may or may not effect your Rx. It all depends on what kind of RF, if any, is generated from the metal vibration.
Old 03-14-2006, 07:50 PM
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exeter_acres
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Default RE: crossing pull pull cables

on my Yak, the cables cross... I just slipped a piece of nylon tubing over one of the cables so the wires don't touch
Old 03-14-2006, 10:49 PM
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Hill202
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Default RE: crossing pull pull cables

Looking down the fuse I don't think they are touching, if they are its just barely. Good idea on the tubing.

I guess I'll have the same concerns on the tail brace wires. I'm thinking maybe spiderwire.
Old 03-14-2006, 10:50 PM
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fwman1
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Default RE: crossing pull pull cables

You can also tilt one end slightly and they won't rub against one another. Tilt it the wrong way and they rub very badly. Don't get the tilt mixed up.
Roger
Old 03-14-2006, 10:52 PM
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Hill202
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Default RE: crossing pull pull cables

are you saying to raise one end of the servo?
Old 03-15-2006, 07:22 AM
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Default RE: crossing pull pull cables

You say the cables are nylon coated therefore you will have no problems. I have them crossed in a narrow plane myself and have encountered no problems. If your concerned the nylon is going to wear off, slip a little piece of heat shrink over one of the cables at the cross point for piece of mind, but I don't think you need to be concerned it will take a long time to wear through both coatings.
Old 03-15-2006, 08:59 AM
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da Rock
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Default RE: crossing pull pull cables

About that tilt..........

If you lean the servo a bit, the lines won't touch. Raise one side of it and you'll see how it works.

Say the servo has two ends (front and back) where the mounting holes are and it has two sides (left and right). If the servo arms that have the lines connected to them project out the sides of the servo, then if you tilt the servo over on it's side just a little, the lines won't touch.
Old 03-15-2006, 09:59 AM
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MinnFlyer
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Default RE: crossing pull pull cables

And as Burgh Guy said, since they're nylon coated, you really needen't worry about it
Old 03-15-2006, 12:52 PM
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Tall Paul
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Default RE: crossing pull pull cables

You could put a seperator between the cables where they cross in the fuselage.. just some kind of a spacer from one side to the other.
Old 03-15-2006, 05:34 PM
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Hill202
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Default RE: crossing pull pull cables

Thanks for the advice. I think I'll quit worrying about this and move on to other worries

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