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08-26-2010 | 04:17 AM

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Bundubasher

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From: Cape L\'\'\'\'\'\'\'\'Agulhas, SOUTH AFRICA

RE: Semi flexible elevator control rods ?

If I understood you correctly, you are worried about metal expansion/contraction?...
You will want to worry about it when building long bridges, railway lines etc, not on short things like push rods - metal expansion over 48" is just about nothing in RC modelling. Also, bear in mind that when you are flying, the plane is cooled by the air moving through and past it. I think your problem lies elsewhere.

We fly in full scale aircraft in middle eastdesert where the temperature on the ground can be 55 deg Celsuis and up to minus 50 Deg C at 39 000 ft.

Just my 2 cents

Bundu

Quote:

ORIGINAL: Ed

I am looking for Semi flexible elevator control rods, that will not expand or contract, with temperture fluctuations. I have just ripped out a pair of Sullivan Gold-N-Rods because of this problem. They were terrible. The control rods are to be used for giant scale, and need to use 4-40 hardware. I'd appreciate your recommendations.

Thank you.

Ed

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