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Servo rods..........

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Servo rods..........

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Old 08-17-2011 | 06:03 PM
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From: , OH
Default Servo rods..........

Hi,

I'm still fairly new to this and Iwent to put the rods in for my ailerons and couldn't figure out how to get the part that is bent and bent again at the one end and I can not for the life of me figure out how to attach it to any of the holes in the servo.

I tried all over youtube and didn't quite get to what I really needed to learn.

Any words of wisdom will help or a video link.

Thank you in advance!!!!


Old 08-17-2011 | 06:19 PM
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Default RE: Servo rods..........

Photos would help, knowing the plane and type of set up you are asking about would be of great help too. Just a bit more info is needed.
Old 08-17-2011 | 06:22 PM
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Default RE: Servo rods..........



Unless you do it while the servo and control horn are out of the plane, you will most likely have to remove the servo arm from the servoto get it over the "Z" bend of the rod. Then push the arm back onto the servo. You may also have to enlarge the hole in the servo arm slightly to let the rod pass thru the hole. You can do thiswith a small drill bit, or by heating the end of the "z" bend with a cigarette lighter and pushing it thru the holeon the arm that you wish to use. If you are not an adult, please get some help with this part.!!!!</p>
Old 08-17-2011 | 06:37 PM
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Default RE: Servo rods..........

Compare the outside diameter of the wire against the inside diameter of a servo arm hole. You may find that the wire is thicker than allowed to fit in the hole. If so use a drill bit in a pin vise (hand held rather than powered) one step above the bit that fits the hole (the hole is usually a 1/16" hole and the next is 5/64"). You want the wire / hole fit to be snug - no looseness allowed!

With the arm off the servo feed the wire into the hole just re-sized.

But this is putting the cart in front of the horse.

Have you centered your servo arm? Huh? Connect your servo lead to the Rx. Apply battery power to the Rx. A switch is not needed. This can be done on the bench. Position your servo arm so that the arm is at (or as close as possible) to 90 degrees to the servo. If the servo arm has multiple tips keep rotating the arm until you get closest to 90 degrees.

Ok, the horse is in front of the cart. Back to connecting the control rod to the servo arm. If you move the arm (it's gonna happen) then re-center the servo before you connect the control rod to the horn on the control surface.

HTH,


Old 08-18-2011 | 04:54 AM
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From: Willmar, MN
Default RE: Servo rods..........

Here's an article I did on the subject:

[link=http://flyrc.com/021154]A Beginner's Guide to Pushrods and Connectors[/link]
Old 08-18-2011 | 08:16 AM
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Default RE: Servo rods..........

That was a really good breakdown of teh push rods but the problem I'm having is I can't get the Z section into the servo arm, the holes are wide enough I just don't understand how to get the Z into the servo arm.

Any help on that would be greatly appreciated!!!!
Old 08-18-2011 | 08:45 AM
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Default RE: Servo rods..........

If the servo rod won't go in to the hole in the servo arm use  drill bit to enlarge the hole enough for the servo rod to be able to be inserted into the arm. Be careful that you don't open the hole any more than what you need to be able to insert it. If you open the hole up too much you will get slop in the setup that can lead to failure of the servo arm.<div>
</div><div>To get the servo arm on the rod you have to take the arm off of the servo. Place it on the servo rod and then rotate it 90 degree so that it is seated properly on the servo arm. Then re install the servo arm on the servo</div><div>
</div><div>ken</div>
Old 08-18-2011 | 08:53 AM
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Default RE: Servo rods..........

Thank you, that was exactly what Ineeded to know!!!!!

I want to thank everyone who answered my question(s) through out the time I've been with this forum. You guys have been great.

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