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Graupner Koala-Bell 230-Elektro Skaler > opinions on Graupner UNI2000 wanted

z11355
rrMaster
Location: 10000 is enough time wasted.

I'm interested in hearing from anyone
w/ first hand experience on the Graupner
UNI2000 mechanics and the pod/boom
setup for it.

This would strictly be for a 3D 80/90
class application.

Even better would be some contrasting
experience between the UNI and the
other more mainstream (in the US at least)
machines such as Fury, Hirobo, Robbe, etc.

10-27-2002 Over year old.

HOMEPAGE

z11355
rrMaster
Location: 10000 is enough time wasted.

bump

You mean NO ONE here has first hand
experience w/ these machines?

11-02-2002 Over year old.

HOMEPAGE

Andi G
Veteran
Location: Switzerland

Hi,

I can't help you with first hand experience either. I considered the Expert/2000 mechs. The 2000 was just too expensive for that much plastic, so I went with the Nova.

The Uni Expert 98 might ne nice for scale or for a beginner as the spares are **** cheap over here.

The Uni Expert is really light because of the plastic, one of it's main advantages. The Uni2000 is much heavier (delrin gears and so on), the tail drive offsets the cg so you have to ad weight in the front. Then it's almost as heavy as most other helis.

You'll se about 5 times more robbe machines than Uni2000 over here... and almost nobody would use it for hard 3D, either the NT, a Mille or one of the fewer known German brands (The are some Fury's too, but with the spare prices they aren't nearly as attractive as robbe machines or an NT. NT ist 1250€, Fury Expert 1600€, go figure...)

Regards,

Andi

11-02-2002 Over year old.

Craig G.
Heliman
Location: Central Ohio

I have flown my 2000 in Pod and Boom form as well as in a fuse. Originally powered with sixty it now has a 91 in it and it screams....
Very fast with semi-symmetrical blades. It has held up fine to some very rigorous flying....no problems. I think it has the best cooling system on the planet and is incredibly smooth and quiet. The Uni-Expert is well suited for scale flying but go with the Uni-2000 for more aggressive 3-D/FAI work. It has the delrin gears, metal head and torque tube tail drive. Don't be put off by the reinforced plastic, it absorbs vibration well (especially the 90's) and adds to the smoothness. Also, you can expect excellent support fron Sandy at V-East.

Great chopper .....

11-05-2002 Over year old.

LarryMiranda
Senior Heliman
Location: Sunny Las Vegas

I have a Uni2000 with the OS91 and everyone that has tried it agrees that it is silky smooth. Mine is going into a Bell 230. Lots of plastic but I would say it is well engineered. I don't know about 3D, thats not my bag. For a scale machine I would buy another.

Larry

01-10-2003 Over year old.

Richard
Veteran
Location: Scottish Borders, U.K.

Larry,

I've just bought Uni 2000 mechs to fit into a Augusta A109 Fuselage and was wondering if an O.S. 91 would be O.K. and if so does it fit without any mods to the Mech frames.

Richard

01-15-2003 Over year old.

LarryMiranda
Senior Heliman
Location: Sunny Las Vegas

Hi Richard

The Uni-2000 is made for the OS91. The Head is Awesome on the hiem version. You will be very happy with it.

Larry

01-15-2003 Over year old.

Andrew Dickens
Heliman
Location: Cwmbran S.WALES

crap 2000 mechanics

Either i have installed something completely wrong or the mechanics are crap
here we go
to start the fan shroud does not centre the head within it i.e on one side 20mm and the other 4mm why
os91 c-spec heim version
main gear dosent link in properly i.e needs to bite approximately another 1.5mm why or have i just messed up because you all say the 2000 mechanics are pukka what am i missing

cheers andrew
all this for my NH90 IF THE MECHANICS DO AS EVERYBODY SAYS

Affiliated member of the clubless club

06-13-2005 Over year old.

HOMEPAGE

Sandy S.
Heliman
Location: FLORIDA USA

well you have to excuse the late reply, we just had a loss in our family so things have been tied up.

to say our mechanics are whatever you described is not really fair nor nice.
you only have to e-mail us for support or simply call and we would be glad to help you. I have flown many different brands of mechanics and designed many helis and I have to say these mechanics are superb in all regards or we simply wouldnt sell them and graupner would not be in business for over 75 years.

I am not sure what you mean or did in regards to the fan shrould, but it is a -symetrical for a reason- airflow due to the direction of the motor. as to the main gear not lining up, there again, we have no control on how you assembled them so it hard to say where you went wrong, but you did.
we have absolutly no issues with the gears not fitting.
you can pm me for further information and I would be to assist you in a respectable and kind manor but getting frustrated and calling our product as you did will simply not help get you flying. you could even send me your mechanics and I would be glad to assmeble them correctly at no charge to you other than transportation costs. then you would have a better idea on how it is done. in most cases its just something simple as the design
is very straight forward and highly reliable.

06-29-2005 Over year old.

Andrew Dickens
Heliman
Location: Cwmbran S.WALES

Hi there sorry to hear sad news ad this post was not aimed personnally at you
so sorry
here was the problem the gears did not mesh tidy because the main mast bearing supports were installed backwards but the manual has no mention of the centres not being true centres but slightly off centre so the remedy was found on the gear mesh
the one problem we have not been able to sort out so far isthe fan shroud only bolts together on the bottom pulling the top edge of the fan shroud open by about 8mm
the last gripe i have is that the M3 bolts supplied are (o.k. i shall hold back on personnal comments) not good they just snap so have changed all M3 bolts for stainless
cheers for offering your help and i have held back on personal frustrations so at least something is gained
cheers
Andrew

Affiliated member of the clubless club

06-29-2005 Over year old.

HOMEPAGE

Sandy S.
Heliman
Location: FLORIDA USA

hmmmm,

if you pm me , I can furnish a link to you where our build-ups are of those mechanics and that may answer your questions... alternately if that does not work simply air post the parts to me and I will personally sort it out for you.

best regards,

Sandy

07-01-2005 Over year old.

ckml6648
Heliman
Location: San Francisco

UNI2000 Mechanics

I have the Uni2000 mechanics for over a year now, it has always been smooth and quite. The plastic does a good job in absorbing the vibration. I have installed in the A-star body as well as the UltraStar pod and boom. Both flies well, however, just make sure you OS91 is run-in and is easy to start, otherwise, you will need to take the whole front end out in order to get to the glow plug, which is a hassle. I have bent a few blade bolts due to overspeeding (around 1900 rpm and 7.7 gear ratio), I find the best head speed at 1700, it does not like high rpm. The paddles are on the heavy side, so you will need lighter ones to do real 3D, otherwise it is a good FAI model. It is expensive, but it is also the best fit for any of the Graupner body. Graupner has some of the best fitting bodies in the industry, I have the NH90 Turbine as well, and it fits very well, but it changes CG during flight because of the fuel tank location. The UNI2000 is not as good as other models design for 3D work, but for FAI, it is a good ship.

07-16-2005 Over year old.

kshaw2154
Senior Heliman
Location: Atlanta, Ga. USA

I believe the original post request comparison between the Graupner
Uni/Expert machines and the other popular 3D machines( Hirobo,MA,
Century, Bergen, Robbe....) I can say first hand that the UniExpert mechanics are "not" ...at all...comparable to the Hirobo or Bergen machines with regard to quality, crispness in control inputs, or adjustability to suit one's flying style. I have been working with my UniExpert pod and boom setup to attempt to get it right before putting it into a Bell 230 fuselage, and I cannot... for the life of me get it where I feel comfortable with it! Once I get the head speed up where it seems reasonable, then I can't get the pitch range to transition smoothly

At any setting it always feels sluggish. For the money I've spent and the satisfaction I gotten in return, I'd stick with the American or Japanese
machines. Just my honest .02

08-17-2005 Over year old.

Richard
Veteran
Location: Scottish Borders, U.K.

I have put my Uni2000 mechs into an Agusta 109 scale body and have the same problems of it feeling sluggish, slow to react to control inputs. I have only hovered it due to the scarry factor! I have had this model for more than a year and do not feel comfortable with it.

Richard

08-17-2005 Over year old.

kshaw2154
Senior Heliman
Location: Atlanta, Ga. USA

Considering the last two post on this topic, I suppose you could see that they are not 3D machines, and probably not FAI either.

08-19-2005 Over year old.

UK Helinut
Senior Heliman
Location: Gloucestershire

I have been flying Graupner machines for about 10 years now.

I cannot understand why so many people are having problems.

I am using an Ultra star for 3D, not quite as agrresive as my Fury, but still quite respectable.

The scale machines are superb, and the Jet ranger/ A109 power and Bell 230 are excellent for FAI.

If you are not true modellers, I suggest that you buy your machines pre-built. Add radio and enjoy.

11-30-2005 Over year old.

skypilot 01
Key Veteran
Location: Northumberland UK

Hi all,
After reading some of the posts re: Graupner Heim I felt that I must add my comments, I have flown Graupner scalers for a good few years now and I have never had any problems at all with them either with set-up or flying. The quality is second to none with all of the parts and when built up correctly they produce a quiet super smooth running helicopter so I can't understand how some people are having problems, the instructions are well written and very well illustrated, you simply can't go wrong.
I think Sandy is being very kind offering to build up mechs for people having problems, if he thought that Graupner products were inferior in any way he wouldn't offer his help in this way.
Michael

http://www.geocities.com/mick.patterson/home-page.html

11-30-2005 Over year old.

HOMEPAGE

LarryMiranda
Senior Heliman
Location: Sunny Las Vegas

Uni2000

Sandy is top notch, straight up guy...

the Uni2000 is silky smoooooth...

Larry

12-01-2005 Over year old.

felix12
Senior Heliman
Location: Wales, UK

I just read that response from Sandy. Why cant we have that kind of dealership and backup in the UK? Fancy branching out global sandy? You'd be most welcome over here!

05-16-2006 Over year old.

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Graupner Koala-Bell 230-Elektro Skaler > opinions on Graupner UNI2000 wanted

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