Funky Fighter Flies - RCCanada - Canada Radio Controlled Hobby Forum
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Electric Flight Discuss Electric Flight in Canada

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Old 09-15-2006, 03:45 PM   #1
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I am: R Gar
Join Date: Dec 2002
Location: Peterborough, ON

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Funky Fighter Flies

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I finished my FuFi last night & flew it today. Here are the details.

Material FFF/Blucore
WS 32”
Power 2410 09 outrunner from Aeronutz, similar to BP12
Batt. 3S1200 PolyQuest
Rcvr. Berg 4L
Esc Aeronutz 30A
Servos 2 GWS Nano 9gm.
Prop GWS 9070 slow flight but takes 12 amps. Worked but trying 9X4 APC
Ready to fly wt 12.9 oz.
Balance as per design, on rear edge of opening.
Adhesive used. Liquid stitch & or Tacky glue.

More info.
I scaled the plan to a 30” WS version, then I added 2” to wing span at rear.
Cut a tongue of FFF at C of G location to better hold the motor mount.
Control - elevon with pull/pull system using Dacron/ceconite thread.
Pull system was extended to canard elevator to pull down only using elevon servos.
When pull threads are loose, the elevator, it simply floats.
No evidence of flutter has been seen, yet.
Wing grooved at center rear & 5 degree per panel fiberglass spars added to give each
wing panel a 5 degree dihedral.
1” x 4” patch of ¾ oz fiberglass at dihedral break
This is only for the rear 4 inches of the wing.
FFF is then allowed to transition back to 0 degrees dihedral farther forward.
Canard is “bent” up 5 degrees & shimmed for incidence.
Modified subfins to allow model to stand on it’s “tail”.
Balsa battery box/motor mount/launching grip glued on top of fuselage at balance point.
No hinges were used in the construction of this plane. Instead I very carefully cut a vee groove on the bottom & used the original FFF skin as a gapless hinge on top. (Practice on scrap FFF)

First flight
Uneventful except that it flew beautifully & was easy to control.
Underhand toss was used to launch.
However I had to add a lot of down trim. I expected reflex to be needed but it was not.
A little down thrust will help as well.
At low speed & high A of A it was quite neutrally stable.

Second Flight
This was my 1st VTO ground launch.
This worked OK but I need to practice the transition to forward flight.

3rd flight
VTO , climbed fine, bad transition, broke prop.
Trying APC 9x4 TE prop as motor was
over 12 amps which I think is too much.

All in all, a delightful project & an excellent flier. Thanks Chara for the original design & others who added helpful comments.
Plans at Foamies (scratchbuilt)
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Old 09-15-2006, 04:32 PM   #2
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I am: Bill O
Join Date: May 2006
Location: London, ON

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from plans? - where?

available for nitro?
Bill O.
London, Ont.
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Old 09-15-2006, 07:11 PM   #3
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I am: Brad Kacer
Join Date: Mar 2004
Location: Burlington, ON

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Originally Posted by BillO

from plans? - where?
Mine is not to reason why; I just wire them up to fry...I mean Fly!
I don't suffer from insanity...I enjoy every minute of it!!!
I never claimed to be the sharpest knife in the chandelier......

Brad Kacer
MAAC # 29287
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