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Old Dec 07, 2011, 03:58 AM
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AlexGold's Avatar
Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
Build Log
Fun-fly "Electromaniac" 800mm-1000mm wingspan

I want to introduce to you my design of funfly, made from 3mm Depron.
Some dimensions of known models was used to develop it. Main advantage is less wing load compared to balsa models, that allows to fly in small spaces, indoors.
Also, using of quite big Li-po for this size - 3S 850mAh allows to fly up to 15min of slow flying, or 10min hardcore 3D.
Model is very easy to handle, so it can be your first or second model. And it's the best model to practice in 3D.

Some technical specification:
Wing span: 800mm
Length: 814mm
Wing area: 20dm2
Flight weight: 320-370g
Wing load: 16-18.5g/dm2

Equipment to start with:
Motor: Turnigy 2209
Propeller: APC 10х3.8
ESC: 18А
Servos: HXT500
Battery: Turnigy nano-tech 850mAh 3S

Now I'm using more expencive digital servos and plane behaves very good and stable through all maneuvers.

Also now in development scketches of foamie with 6mm thick control surfaces and scetches of 1000mm wingspan plane.

Some video:
FunFly "Electromaniac" (1 min 30 sec)
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Last edited by AlexGold; Dec 26, 2011 at 11:53 PM.
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Old Dec 07, 2011, 04:46 AM
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AlexGold's Avatar
Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
You can find 3D model of this plane here: http://grabcad.com/library/fun-fly-elektromaniac
You are free to use it for non commercial purpose.
I'll be glad, if you improve it and post here sketches of 1.25m, 1.5m and even 2m foamie monsters :-)
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Old Dec 08, 2011, 10:07 AM
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Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
Some photos of me flying two types of this model - with common wing tips and with turbulators.
The one with common wing tips less sensitive to the wind, but another - more stable in high alpha harrier and knife edge flight.
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Old Dec 08, 2011, 01:21 PM
ɹǝsn pǝɹǝʇsıƃǝɹ - inverted!
DaDesign's Avatar
USA, SC, Greer
Joined Jul 2008
3,255 Posts
I love it Alex.
Great job!!!

Dalton
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Old Dec 08, 2011, 02:50 PM
rcflyer
UK
Joined Jun 2010
844 Posts
It looks like a very nice flyer. Good job!
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Old Dec 08, 2011, 11:06 PM
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Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
Thanks! Hope that someone has already started to build it! =)
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Old Dec 26, 2011, 11:55 PM
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Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
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Added instruction.
Thanks to my friend Max for helping me with translation.
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Old Jan 01, 2012, 05:49 PM
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popedan's Avatar
USA, FL, Panama City
Joined Jun 2009
274 Posts
started one . up it too about 110%

alex scaled the plane up and cut it out on my phlat printer today.here are some build pics off to day. dan
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Old Jan 02, 2012, 05:27 AM
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AlexGold's Avatar
Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
Great! Whats the wingspan? Waiting for maiden flight video

Happy new year!
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Old Jan 08, 2012, 02:20 PM
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USA, FL, Panama City
Joined Jun 2009
274 Posts
happy new year to you alex

ok been working a little bit on it today.the wing span is 65 inchs.have a lot to do on it. but she looking good.will keep you update as i move along on her.
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Old Jan 10, 2012, 12:20 AM
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Russian Federation, Voronezhskaya oblast, Voronezh
Joined Mar 2011
293 Posts
Are you sure that the wing span is 65 in.?! It's not 110%, because it's actual wingspan is only 31,5 in. It must be very big!
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