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HelicopterScale Model RC Helicopters › GRAUPNER helicopters
09-03-2009 05:04 PM  8 years agoPost 1
spy29

rrApprentice

USA

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HI ALL.,
what do you guys think of the graupner / uni setup?>.any good>??

any probs??..thnx

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09-03-2009 05:27 PM  8 years agoPost 2
tdo

rrApprentice

Germany

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A bit outdated these days..

Ok, some facts:
Uni Expert, Uni Expert 98:
The gear drive isn't capable of supporting a .90 engine.
.60 would be the maximum, otherwise the geardrive will fail quite soon.

Uni 2000: fits .60 and .90 engines, but only those with a special crankshaft ("8mm dia., long shaft" ) which also come to use in the Expert Versions as in several Vario mechs.
O.S. stopped the production of those engines; well there's one single .90 ("RZ-HGL" ) available, but that's it.
Again, no .90 engines in the Expert mech.

There are some other engines around that provide the 8 mm shaft,
from manufacturers Rossi and Webra; not sure, if you want to rely on these.

Eletrical mech: there used to be the Elektro-Skalar,
basically a Uni Expert with slight mods to support an electrical motor, but IIRC the Skalar isn't available any more.
There was an announcement about a new mech months ago,
so far, I've only seen a CAD drawing.
This new mech is to support electrical and nitro engines (with a standard 3/8" crankshaft).
But that mech didn't show up so far in reality.

Replacement parts are typically 3 to 4 times more expensive than the cheap asian helis, Align or Thundertiger, pricewise pretty much comparable to Vario.

I started 10 years ago with Graupner Helis, I still have 4 of 'em.
They're quite stable, if you don't expect to be able to fly hardcore 3D with them, they make a nice platform for Scale models.

Hth,
Thilo

Edit: here's a pic of the new mech, the "Graupner SolidState-Mechanik":
http://gfyrag.bay.livefilestore.com.../solidstate.jpg

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09-03-2009 07:53 PM  8 years agoPost 3
spy29

rrApprentice

USA

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wow thanx a bunch !

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