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HomeAircraftHelicopterMain Discussion › Graupner Augusta 109 tail drive.
02-11-2006 11:13 PM  12 years agoPost 1
sje141

rrNovice

Yorkshire, England

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Hi all,

Which tail drive do you use in your 109's. 1) The piano wire drive. 2) Carbon rod with central support, or 3) Metal rod/shaft from the Uni 2000 pod and boom kit.
I have read that you can install the metal shaft/boom from the uni 2000 complete with out having to support it in the middle. The boom is secured to the mechanics and then just rests on the rear bulk head that the tail rotor g/box mounts to.

Which do you use and why. Which is best?

Thanks,
Stephen.

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02-12-2006 10:16 AM  12 years agoPost 2
Roger Oxe

rrApprentice

EDFE, Germany

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Tailshaft A 109
Hi Stephen,
i fly all those Drives in different Helis. The best choice is to me the Stainless Steel Drive with one Ballbearing in the Tailboom. I have modified all Helis to this system and it works very well. Vario offers a lot of pieces to fit this Drive in your Heli.
You must only glue a wooden or GFK Plate in the Tailboom to fix a Ballbearing. Without a Bearing in the Tailboom the Shaft will rotate and vibrate in the Boom. My GFK Plate located were the fuselage goes into/over the Tailboom. So you have ca.1/3 of the Shaft stabilized and it works. This changes can be made also at the ready-built Heli.
My "Huey" and my "triple-two" fly with this Shaft about 10 Years without any problems.

Take a look in the Vario Katalog , there are a lot clutches and shafts to fit also the Graupner System.


http://www.rogeroxe.de

"Model Makers are mostly normal human beings, only their childhood dreams are growing up again

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