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Old 08-15-2004 | 11:11 PM
  #1  
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From: quincy, MA
Default Extra 300s

Does anybody know wether the graupner extra 300s is a nice plane, i was thinking about getting it.
Old 08-16-2004 | 06:36 AM
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Default RE: Extra 300s

The Graupner is a lovely plane, finished very well. The only slight down side is that it is a little on the heavy side. You should be able to loose a little weight by replacing the aluminium undercarriage with a light carbon undercarraige and removing the aluminium control rod guides to the elevator and rudder.

As standard the Extra flys very well and can perform most manouvers. Don't put the CofG too far back otherwise it may be prone to tip stalling, though that is the same for any aircraft of that type.

Hope you get one, they're good fun!


Sarah
Old 08-16-2004 | 08:47 AM
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Default RE: Extra 300s

This plane is Neat!!

It flys beutifuly. Nice areobatic plane. Its not as light as a 3d plane.

If you havn`t flown much, a 60 is sufficient, but if you want some more performance, put a 90 2st in it.

Keep the CG on 98mm, and install a 500ml tank. And dont give the elevator more throw than the 8mm specified in the manual, or it will be unpleasent every time you pull full elevator. It aparently stalls the entire stabilzer, and it snaps

Here are some pics of mine..... Ive actualy owned 2, and this is my first one with a magnum GP 65......a little tame, but it flew nice.
This one crashed du to pilot error [8D]
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Old 08-16-2004 | 08:48 AM
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Default RE: Extra 300s

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Old 08-16-2004 | 08:49 AM
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Default RE: Extra 300s

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Old 08-16-2004 | 09:00 AM
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Default RE: Extra 300s

One importent note, is the tail. Aparently there have been alot of horizontal stabilzers that have broken off in flight. Graupner have included a little bag with tail braces, that are a MUST to install. Also, when you have to emove the covering in the tail to glue it onto the fuselage. Dont use a knife to remove it. Use a soldering iron, and melt the covering away, so you dont cut into the balsa.


Here are some pictures of my Nr. 2 model with my webra P-5 91 Aero engine. 14/7 prop
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Old 08-16-2004 | 09:01 AM
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Default RE: Extra 300s

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Old 08-18-2004 | 03:08 PM
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Default RE: Extra 300s

Took a movie of mine today

15mb: http://bornholm.adsl.dk/modelfly/fil...film/extra.wmv
Old 08-18-2004 | 10:45 PM
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Default RE: Extra 300s

You guys are lucky, the Graupner here (Black Horse) has the boring GP style colour scheme.
Old 08-19-2004 | 03:47 PM
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Default RE: Extra 300s

Just stuck on the checkerd decals...man what a pain.... But it turned out nice enough....
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Old 08-19-2004 | 04:07 PM
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Default RE: Extra 300s

hey SJN will a OS .91 fit in the extra with the stock engine mount?


thanks
Old 08-19-2004 | 04:32 PM
  #12  
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Default RE: Extra 300s

Not 100% sure, but my large webra 91 2stroke and my Magnum 65GP fits.....

So why not..... the 91 has the same crank case dimensions as the os 61 right..
Old 08-19-2004 | 04:34 PM
  #13  
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Default RE: Extra 300s

actualy, when i think about it, my friend at my field has an os 91 2 stroke in his with the stock mount....so yes, it fits
Old 08-19-2004 | 07:04 PM
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Default RE: Extra 300s

And here is the ultimate scale mod.......rounding the lower part of the canopy
Plane flys much better now [8D]


Before
After
Real
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Old 07-31-2009 | 11:54 PM
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Default RE: Extra 300s

Hello;
I just inherited one of these. Can anyone get me a manual?

Love to know cotrol throws etc.

What was the all up weight?

Thanks
JIM

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