Keil Kraft Falcon - Page 27 - RC Groups
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Jan 13, 2013, 03:56 AM
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owlsabie's Avatar
Julian - she's magnificent!

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Jan 13, 2013, 01:22 PM
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Ian Easton's Avatar
Excellent Julian - great job. Another beauty in the air. Obviously no shortage of power. Beautiful flying field you have too, much nicer than the desert I have to fly in.
Jan 13, 2013, 10:37 PM
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Definitely no shortage of power, flies at third to half throttle quite happily.
We are very lucky to have an airfield in amongst paddocks with no one to upset with noisy planes!
Just so happens that one of the club members was filming with his quadrocopter, you can see the Falcon landing and taking off. El Presidente was doing a maiden flight on the rather large yellow cub, and showing off his one wheel landings!
Hamilton Model Aero Club - Jan 13th 2013 (3 min 44 sec)

cheers Julian
Jan 16, 2013, 03:20 AM
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Added more downthrust to 3 deg , that seems to have cured the climb with throttle.
Flies like a dream now.
Last edited by julianth; Jan 16, 2013 at 04:21 AM.
Jan 16, 2013, 10:33 PM
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Ian Easton's Avatar
I think I should add a bit extra downthrust to mine too as mine climbs a lot under throttle.
Jan 23, 2013, 11:28 PM
Sic itur ad Astra
sparks59's Avatar
Like the quad video. Thanks for posting it.
Feb 07, 2013, 10:45 PM
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Chris Jenkins's Avatar

More Progress

Still plugging away at the Falcon as time allows between work and other projects. Here are some shots of the progress so far on the fuselarge, and my method of dealing with the cabin area uprights using spruce and balsa. Seems to have worked fine.
Feb 08, 2013, 12:10 AM
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Ian Easton's Avatar
Excellent Chris. Looks like you've got some wire there too ready to do some bending.
Feb 08, 2013, 02:51 PM
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Beautiful craftmanship Chris and improvisation to the cabin.
Have replied to your email.
Feb 09, 2013, 03:13 PM
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Tim Trick's Avatar
Looking great Chris. I agree that the enhancements to the cabin will be worthwhile - the structure sees a lot of stresses there.

Keep up the good work.


Feb 09, 2013, 09:28 PM
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Chris Jenkins's Avatar
Thanks for the replies and nice comments...

Looking forward to making some more progress when work allows
Feb 26, 2013, 03:39 PM
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The Falcon has flown at last

It weighed in at just over 8 lbs with ASP80 FS up front. Despite having 3 mini servos at the back no ballast was required, I've even got the battery on the COG. It took off without any rudder correction required, but needed a lot of down elevator to prevent excessive climbing. I'm thinking about raising the rear edge of the wing to compensate. No rudder trim was required so side thrust must be spot on. It does reasonably large loops without screwing out. The landings are a bit bouncy though.
Shame about the yellow exhaust extension, but at least there was no oil on the plane after 3 flights. It is certainly not over-powered by an 80 FS
Feb 26, 2013, 07:49 PM
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Ian Easton's Avatar
Congrats BB, that looks brilliant. Haven't had the chance to get mine back out but it is a climber too. My landings were also very bouncy but I put that down to too high an idel on my engine.

C'mon Chris, youre up next!
Feb 27, 2013, 10:28 AM
Registered User
A beautiful achievement and very pleasing aerial photography. Congratulations.

One question. If the wing bands are one piece, what size are they? The largest I can find are 8 inches and thatís not big enough. So I am using 7-inch bands joined together with a Ĺ-inch split ring.
My model has been ready for some while but because of snow /rain /wind and overcast sky I am waiting for suitable weather to take photographs.
Feb 27, 2013, 10:43 AM
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Thanks for the comments guys.


I've used 8-inch bands, I used 4. They are definitely not too short, no damage has been done to the wing. They need stretching first.


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