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Old Apr 13, 2002, 09:15 PM
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Flying on the cheap - what to use for control horns and rods?


Ok, I have built my Zagnutz and installed my radio gear. I am going flying tomorrow and the hobby shop is closed - what do you guys use for control rods and control horns?

After trying some leftover household wiring (it is pretty stiff) I determined that it was just a little too flexible. So I cobbled together some leftover dubro pushrods and parts to the appropriate length. For a control horn I have made a 2 ply 1/8 (times 2) balsa square that I epoxied onto the elevon.

So what are you guys using? Or do you just suck it up and go to the hobby shop and buy proper control horns and music wire?

p.s. what is the easiest way to make z bends in wire? It was really tough using two pairs of pliers, even though I eventually made some pretty ugly looking bends.
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Old Apr 13, 2002, 10:36 PM
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Use "real" hardware.
Seriously, you can make wood control horns, but make them out of light ply. I wouldn't trust balsa, it's just too soft

You can use short pieces of stiff wire (like from the hobby shop ) to make much longer pushrods. Just use hardwood dowels with a hole drilled through. A 90 degree bend with the wire through the hole. Chamfer out a trough in the dowel to lay the wire in, then use common thread and CA glue (or epoxy) to attach the wire to the wood.
Old Apr 13, 2002, 10:42 PM
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"Z" bend with ONE pair of pliers.
Hope you figure out my sketch.
Old Apr 13, 2002, 11:16 PM
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1/32 or 1/16 ply will do just fine for a small to medium airplane.
Old Apr 13, 2002, 11:56 PM
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I've used an old credit card cut into thin strips

Philip
Old Apr 14, 2002, 01:48 AM
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I have also used OLD bicycle spokes for pushrods. It all depends on how far you have to go. Also the wooden BBQ shishka bob skewrs work well.


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