GWTW Forum

Kites! Kites! Kites! => Photos and Videos => Topic started by: ae on November 12, 2011, 01:22 PM



Title: Maidenflight of the Colibiri
Post by: ae on November 12, 2011, 01:22 PM
Got my latest project into a shape that it was ready to fly, the Colibiri.
Sadly the wind was a little to low:

Colibiri 1 (http://vimeo.com/32012415)

But first impression, very stable in flight, slow and graceful, turns on the wingtip. Also glides very well when moving towards in a downward flight to gain back ground.

Wingspan is 404cm, Keel length is 60cm and height over all is 93cm.


Title: Re: Maidenflight of the Colibiri
Post by: thief on November 12, 2011, 02:34 PM
wow....that is neat looking...got some pictures????

Where do you fly Andre?   A good number of kites in the background!

r


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 13, 2011, 02:56 AM
Pictures come later today,

but here is another video from yesterday, same crappy winds, but different perspective:

Colibri 2 (http://vimeo.com/32026569)

The location is a decommissioned airfield, smack right in the middle of Berlin. Its glorious.


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 13, 2011, 09:02 AM
And a few Pictures of the kite itself from today:

(http://www.gods-inc.de/ae/colibri_1.jpg)
(http://www.gods-inc.de/ae/colibri_2.jpg)
(http://www.gods-inc.de/ae/colibri_3.jpg)
(http://www.gods-inc.de/ae/colibri_4.jpg)
(http://www.gods-inc.de/ae/colibri_5.jpg)
(http://www.gods-inc.de/ae/colibri_6.jpg)


Title: Re: Maidenflight of the Colibiri
Post by: PUZZLE on November 13, 2011, 10:35 AM
nice and graceful


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 17, 2011, 08:27 AM
From this week, a nice shot of the kite up in the air:

(http://www.gods-inc.de/ae/colibri_7.jpg)

Since the rest of the picture was also all blue, I cut it off :)

Flies pretty nice at about 3BFT, slow and graceful, but still turns like a much smaller kite on the wingtip.
Pull is minimal, I had it on 150ft lines, Liros DC40 (80lbs breaking strength) and it felt like the line is still to thick.
Bridle needs some extra work I think, the kite takes up power during turns. First bridle was a turbo, that was suboptimal, it flipped to much back in a turn. Right now its a standard 3 point. But I think a reverse turbo would smooth the flight out some more.


Title: Re: Maidenflight of the Colibiri
Post by: Krijn on November 17, 2011, 09:06 AM
on the first and second picture: is that my old akuji sul in the background??
i guess it is  ;D




wingspan 4,04 m  ???

flies very stable (considering the aspect-ratio)


Krijn


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 17, 2011, 09:14 AM
Krijn: unless you sold your akuji to someone in Berlin, i guess not :)

skb: Nah, its just for what we germans call Schönfliegen. Just to fly nice.
Aspect Ration is 16:1 btw


Title: Re: Maidenflight of the Colibiri
Post by: JimB on November 17, 2011, 01:23 PM
That is so cool. :)


Title: Re: Maidenflight of the Colibiri
Post by: ghfisanotti on November 18, 2011, 05:49 AM
What an original kite! and it is beautifully built, is it your design?


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 18, 2011, 06:08 AM
The kite is based on the Horton XVI Colibri sailplane prototype from 1952. It only flew once.
I turned it into a kite based on a simple top view schematic. Barely more then the outline.
(http://www.nurflugel.com/Nurflugel/Horten_Nurflugels/ho_xvi/ho_xvi.jpg)

So not my design shape wise, but my design in making it a kite.


Title: Re: Maidenflight of the Colibiri
Post by: ghfisanotti on November 18, 2011, 07:27 PM
A friend of mine who is an avid pilot and kite builder will surely love the originality of your design, are you planning to publish this design in the future?


Title: Re: Maidenflight of the Colibiri
Post by: ae on November 18, 2011, 11:56 PM
Haven't decided yet what to do with it. Maybe I will find a commercial outlet with some company, maybe I will sell it myself, maybe I will release the plan, maybe I will scrab it because i don't get it to fly as I want. But scrabbing it would be a pitty, since the design seems to gather a good deal of interest. I think its because it looks very elegant and is beside the norm for a stunt kite.


Title: Re: Maidenflight of the Colibiri
Post by: Ara Ararauna on December 05, 2011, 01:23 AM
Amazing!
Very beautiful.
You should indeed make it available to people somehow (company, selling, opening).
Your design is very clean light and balanced. I think it is very adequate for the shape.
Great job!

N.