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Old Nov 03, 2012, 01:26 PM
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Mreyello's Avatar
Deutschland, RP, Niederzissen
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Almost new F5d racer

Hallo,
I would like to introduce my updated F5d -Flipper.

It is based on the "old" Flipper wing, which was slightly modified, but with new fuselage and tail.

Following the progress in accu-technology and drivetrain developement, the fuse is much slimmer and is able to take the new geardrives with up to 12,5" folders.

5S 2200 fits nicely splitted in 2s+3s,even 7S 1800 APL are easy to fit, but fuse frontarea is reduced to 60% of the usual commercial F5d.

As we use the Flipper to support the newbys in F5d and in composit building in germany, it is designed to be easy built, the crosstail requires less laminating experience and gives more accuracy in the elevator linkage, compared to the T-and V-tailed Flipper -versions.

The Flipper will not be sold commercially, but there will be the complete set of rental positive moulds available to open options to get into selflaminating and get your own mould for a small fee.

Even a rental negative mould will be available for those who just want to build one or two planes , but i think this may only make sense for germany and the close neighbors!

Some Datas:

Wingspan:140cm
Lenth :88cm
Wingarea:15,9dm2
Airfoil:HS522 mod Paul Schreiber
Max FAI weight:1024g
Design: Christoph Meier, Paul Schreiber
Dusty and sticky stuff:Ralf Gockel, Marco Fichter

This is an open source projekt, the plug will travel arround germany in the next 2-3 month, maybe it will get much more milage next year so if you are interested just PM me

Regards
Yello
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Old Nov 03, 2012, 02:04 PM
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Canada, SK, Prince Albert
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I'd like to take a crack at it next year...put me on the list...I'll pay the shipping!
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Old Nov 03, 2012, 03:14 PM
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Deutschland, RP, Niederzissen
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Some Pics of the positive wing:
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Old Nov 03, 2012, 04:56 PM
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Newcastle, New South Wales, Australia
Joined Sep 2007
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Very nice Yello!

Tell me, how does the wing mount work? It looks like the wing bolt holes are spaced wider than the fuselage itself. Or maybe optical illusion?
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Old Nov 04, 2012, 10:37 AM
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Deutschland, RP, Niederzissen
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Arctic,
You are on the list!

Peter, you are right, the wing at the pictures is one of my old ones.
The new will get the bolting holes closer to the center.
There is also a third hole at the trailing edge prepared, we will see if its necessary.

I have flown this configuration with a mogup fuse and its quite promising. The final fuse gets moulded at the moment.

Yello
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Old Nov 16, 2012, 03:45 PM
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Ok,
The complete positive set is ready, tomorow we will take the first mould.

Yello
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Old Nov 16, 2012, 03:58 PM
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Yello,

When it makes it over to Arctic I'd like a shot at it as well. I'm in the states.

Thanks,

Terry
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Old Nov 16, 2012, 05:46 PM
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United States, OR, Portland
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Quote:
Originally Posted by Chuchuf View Post
Yello,

When it makes it over to Arctic I'd like a shot at it as well. I'm in the states.

Thanks,

Terry
You have to take a ride to Germany if you want some of this action....I would kill to go spend the time and learn from Yello,no less bring home a plane i made .Amazing work Yello,i would probably trade a limb for your skill set
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Old Nov 16, 2012, 05:49 PM
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United States, OR, Portland
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Quote:
Originally Posted by Chuchuf View Post
Yello,

When it makes it over to Arctic I'd like a shot at it as well. I'm in the states.

Thanks,

Terry
Maybe if we pool our money,we can talk Yello into sending it this way....You are only a couple hours from me
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Old Nov 16, 2012, 05:52 PM
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Norway, Telemark, Skien
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Quote:
Originally Posted by Mreyello View Post
Ok,
The complete positive set is ready, tomorow we will take the first mould.

Yello
Glad to be on that list
Looks really nice!
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Old Nov 17, 2012, 03:23 AM
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amazing work..
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Old Nov 17, 2012, 05:17 PM
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If it's going all the way to Canada then it SURELY should go through Atlanta on it's way back to Europe.
Come up when it gets here VooDoo and you and I and a friend of mine can hav a laying up get together.

Terry
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Old Nov 26, 2012, 04:16 PM
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Some news...
First fuselage is ready.
Some of you may not like it cause its slim and light

Single fuse with motormount is 48 g (1,7oz)
Complete tail is 16g( 0,56 oz)
Fuse with tail, servo and linkage is 82g(2,9 oz)

But prototype is able to take 8S 1200 Gens Ace with a Lehner 1535 and Reisenauer Micro Edition.

I will play with the combination of GB ratios 3,5:1 ,4:1, 4,5:1 and 5:1 and Lehner 1535/9 and 1535/ 11 to find the best setup for 5- 8cells.
Drivecalc promises freakin Eta numbers at up to 2,5 kw static!

All over weight is calculated to 900g at 8S ;maybe i will build a 4 flap wing which would add about 35g.
Wing still has to wait until i finished the builders -workshop next week.

Some pics:
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Old Nov 26, 2012, 05:28 PM
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8S and 900g at 2500W!
Very nice
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Old Nov 26, 2012, 09:44 PM
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I like the naked fuz for sure,Frickin Sweeeeeet ! not to mention the prop and spinner
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