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Sep 06, 2007, 03:15 PM
registered foam addict
chara's Avatar
Build Log

H-29 Pushprop Jet ... plans and build log


Vacations are over, back to work again...
So here is my latest project. For long time I wanted to have a neat, little "classic" Mig-29/F-18 like fighter.

I wanted full fuse while keeping things still as simple as possible: Straight lines, flat airfoil, simple taileron setup.
I based it upon the Harpy-Cat design because it worked so well - plus it gives great TV response on the elevator for funny maneuvers

Here are some concept pics....
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Sep 06, 2007, 03:41 PM
registered foam addict
chara's Avatar
I've build and flown it during the weekend. It was great fun!!!!

Plans, Video and more detailed Flight report will come tomorrow....

cu
chara
Last edited by chara; Sep 06, 2007 at 03:48 PM.
Sep 06, 2007, 03:58 PM
Registered User

Questions


First let me say that I REALLY like what I see and I am looking forward to plans. But, I have a couple of questions. Does the motor in front of the control surfaces fly differently than a regular pusher? Is the noise generated by this configuration about the same as rear mounted?
Sep 06, 2007, 04:31 PM
registered foam addict
chara's Avatar
T42, thanks!
yes, it does fly differently. since the control surfaces are in the slip stream of the prop they can generate great forces even at zero flying speed, which allows you to make some cool maneuvers.
I would say that the sound/noise is comparable to a rear mounted prop. the most noise comes from the disturbed airflow that goes past the fuselage. so they are both a bit noisier than a tractor prop - especially during high AoA maneuvers.
Sep 06, 2007, 05:05 PM
Look outside the Square
Boxhead's Avatar
That FOUR LETTER word again Chara " Work ". It never goes away.

Another winner I see . Mate will be awaiting plans for this one. It looks fantastic in your photo's. Really simple build as well. Thanks for sharing another beauty. All the Best.

Regards Box
Sep 06, 2007, 05:35 PM
Registered User
kimhey's Avatar
Very nice, Chara!

I have been planning to build a Harpy-Cat, but now I am eagerly waiting for these plans...

Cool design.
Sep 06, 2007, 06:50 PM
Retired CAD guy
birdofplay's Avatar
Another winner for Chara !

Next we have to have ...
plans
and specs
and equipment used
and CG

and especially vids !
Sep 06, 2007, 07:00 PM
Use whatcha got!
msmith's Avatar
Another nice one Chara...










***Off-topic - how ya been BoxH? - Gonna maiden the Thunderstruck and Stelta this week
Sep 07, 2007, 03:25 PM
registered foam addict
chara's Avatar

Video


Guys thanks so much for the nice words!
here is a little vid for your viewing pleasure..

https://www.rcgroups.com/forums/show...61#post8135074
Last edited by chara; Sep 07, 2007 at 03:46 PM.
Sep 07, 2007, 03:28 PM
registered foam addict
chara's Avatar
...and here we go with the plans/build instructions for anyone who might be interested.

Will post the flight report soon...
cu!
chara

PLANS UPDATE 130% and 200% vesions added

CG location: flies nice with the CG right between the servos at the rear half of the launch handle (see pictures above)

UPDATE: MyseryQ has made some extra templates - go to page 3.-Thanks Q!
Last edited by chara; Jun 10, 2008 at 03:48 PM.
Sep 07, 2007, 03:47 PM
Registered User
frankyfly's Avatar
Congrat. Cool plan Chara.
It's on my build-list.

Franky
Sep 07, 2007, 04:26 PM
J. Titors gr8 grandson...
Sonofagun's Avatar
Nice !!


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