Super-Skyflex Elektro, a Rogallo Kite Plane - Page 2 - RC Groups
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Dec 31, 2011, 02:32 PM
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New Year

Julez:Guten Rutsch
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Jan 07, 2012, 01:01 PM
Proud to eat Kraut ;-)
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Hallo Captn Don, vielen Dank, sehr freundlich.

Thank you very much, very friendly. I hope you had happy holidays as well.

I finally found the time to make some detailled images.

I hope most things are explaine by the images. I will post CAD drawings of the sail and its frame, as well as of some small parts soon.

One must be careful when assembling the side struts. I recommend this glue:

It is the best one I found so far. When I tried it on a stainless steel bolt, I bent the bolt rather than being able to unscrew the nut.

One needs M4 Bolts as in the picture, and aluminium pipe. The small piple is sufficient for the lower struts, as these are only loaded by tension. The upper side struts must be made of thicker pipe, or it will be bent by the pushing force. Ask me how I know...

The head of the bolt is removed, and the stub is glued into the 6x1mm pipe. A6mm piece of 1mm music wire is glued in as a locking pin. This makes the lower side struts. for the upper side struts, the aluminium pipe is sawed off with 20mm lenght, and glued in the 8x1mm pipe.
The threaded part of the bolt is cut to the correct length, and the clevises are screwed on with some force, until the openings match the cointerpars on the frame. The upper side struts are identical, the lower side struts have a left and a right piece.

The landing gear is made from 4mm music wire, and supported by 3mm wire. The wheels are 100mm diameter.


Last edited by Julez; Jan 07, 2012 at 01:32 PM.
Jan 07, 2012, 10:43 PM
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Electric Rogallo

Julez: What I wanted are the dimensions of the electric Rogallo just like the one in the video. Everything out in the open. The one in the video (teaser) fly's so very well. LATER captn Don
Jan 08, 2012, 09:14 AM
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Hi Don,

I'll post those soon as well. The information about the glow version are for taqrc, he asked about them.


Jan 10, 2012, 03:35 PM
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Wow ! That kite plane is very stable when flying, ideal for AP.

Very impressive.

I think I have just found my next project
Jan 23, 2012, 02:14 AM
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Still waiting for Plans


Still waiting for the plans to build the sail ... Please send the length of the spars
Mar 01, 2012, 12:42 AM
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info required


still waiting for the exact dimensions of the sail.. i.e lengths of all three arms .. span, length of the sail etc.
Mar 09, 2012, 12:27 PM
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Having the prop there makes sense,the prop on my Skyflex tore the wing. Interesting as I am planing to get mine flying again. Mine was the one with all the string rigging,& it is a bit of a fuss to store.I will be following this to see if I can convert to do away with the rigging.
Mar 14, 2012, 11:40 AM
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All together now 1 2 3

Julez: Wip lang braucht man nach feiern???? LATER captn Don
Apr 10, 2012, 09:13 AM
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Julez:Exact details are not needed now. Just the basic dimensions of the sweep angle of the L.E. and lengths of L.E.
The length of the cross over spar and attachment point.
The length of the wing struts and attach point.
The length of the two vertical wing attachments and the attachment point on the center spar.
The dimensions of the tail groups( rudder,stab-elevator)
The fuselage length and attach points
Basic sail dimensions.
Landing gear dimensions .
Please get the ruler out and give to us the basic parameters.
THANKS Much Respectfully captn Don
Apr 11, 2012, 05:40 PM
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Julez : Just fill in the dimensions.
Apr 22, 2012, 02:10 PM
Proud to eat Kraut ;-)
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Hi friends,

I am awfully sorry for my long absence.

But I can hope to make everything good by finally posting some extra-detailled plans for the SuperSkyflex.

First comes the CAD.

Some more info:
The upper struts, made of 8x1mm aluminium pipe, have a bolt-to-bolt length of 720mm.
The lower struts, made of 6x1mm aluminium pipe, have a bolt-to-bolt length of 845mm.
If some of the dimensions do not seem to add up, this is because the attachment points of the struts add some to the total lenght the struts span over.

The tube under the pack and the RC stuff, as well as the tail boom and the main poles, are 10x10x1 square tube.
The sail frame has a 10x1 center tube, and 8x1 side tubes.
The upper struts are 8x1, the lower ones 6x1, and the diagonal tube from behind the rear strut attachment point to the front of the sail frame center tube is 6x1 as well.

The wheels have a diameter of 85mm.

Edit: This posting was updated with the newest dimensions and CAD files. Some upgrades concerning mainly the dimensions make this plane even more maneuverable and good-natured at the same time.
Last edited by Julez; Jul 27, 2017 at 12:15 PM.
Apr 22, 2012, 02:22 PM
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The struts.

Here come some detail images.
At first the struts.
Last edited by Julez; Apr 22, 2012 at 02:40 PM.
Apr 22, 2012, 02:44 PM
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The landing gear.

The landing gear.

Note that the holes in the smaller plate ,which is bolted to the square pipe using countersunk bolt heads, allow the bolt heads from the main plate to lock in place into them, when the rubber bands are attached. This way, the landing gear is fixed, but can rip off in a crash or band landing without damage.

The wheels have 85mm diameter.

The wire is 3mm music wire.

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