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Micro servo control rods

Sourcing small servo control rods

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Kit Morpeth09/02/2018 16:33:09
52 forum posts
17 photos

Hi, I'm hoping somebody knows where small dia control rods and fixings can be bought from (say 1.1mm dia rod or thereabouts). 2mm threaded rods and fittings I have and are available at many model outlets but the sort of sizes that come with small planes fitted with 9g servos I cant seem to be able to find.

Pete Willbourn09/02/2018 17:03:17
536 forum posts
280 photos

I have used paper clips , for years with NO failures , and they come in various wire diameters ,

bend each end with Z and put a V along the straight bit for adjustment , all my 9grm stuff has them !!

Simon Chaddock09/02/2018 18:56:28
5046 forum posts
2639 photos

I would endorse the use of paper clips, particularly for small electric!

I actually go a bit further in that as paper clips are so cheap and easy to do I just keep making them until I have one that is exactly the right size.

A "Z" bend only on the servo arm and a simple right angle at the control horn retained by a piece of wire insulation.

Once I am happy with the set up the insulation retainer is 'fixed' with a tiny dab of super glue.

Ail rod

Very light but rigid and lasts as long as the plane.

I have tried to count the number of these 'paper clip' links I have in current use. It is well over 50!

Edited By Simon Chaddock on 09/02/2018 18:57:12

Don Fry09/02/2018 19:24:34
2100 forum posts
26 photos

A precise answer, Inwood Models, do 20, 22, 24 Swg piano wire, all smaller than 1.1 mm. They also do bigger.

Don't knock soft wire like paper clips however. Inwood's is piano wire, and is hard.

Edited By Don Fry on 09/02/2018 19:25:48

Denis Watkins09/02/2018 21:08:13
2397 forum posts
122 photos

Micro clevises and other bits from Micron


flight109/02/2018 22:49:54
484 forum posts
31 photos

Have a look at hyper flight they do a good range of small stuff here and look at thier selection of bowden cable for push rod use

Kit Morpeth10/02/2018 11:14:03
52 forum posts
17 photos

Hey thanks guys I shall give paper clips a go. Much appreciated

Pete Willbourn10/02/2018 13:52:17
536 forum posts
280 photos

just a couple of photos ,

on your hunt for thin push rods , dont forget those little helis have them !! (one showed in the photo )

3 sizes of paper clip , the big one is Sainsbury, and the metal chunk is a piece of steel , roughly the same thickness as a horn ,its got a hacksaw slot the same width as the wire diameter , drop the wire in squeeze with pliers and you have the perfect Z bend ! If you need long rods just put the wire ends on carbon rods bind and cyno pushrods 01.jpgpushrod02.jpg

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