Yet another wing

by wersy, published

Yet another wing by wersy Jun 21, 2013
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Yet another wing by wersy is licensed under the Creative Commons - Attribution license.

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This is my second wing, and - it even flies :-)
Even a looping, not really round but for the beginning not so bad: http://youtu.be/XIrR3X5ENus
Here is another video which is made by a friend. He added some videos of printing some parts of the plane and some stills of the preparing for the flight - and a wonderfull music that makes you feel as if the plane hovers almost weightless in the sky :-)

This wing has straight middle sections, so that the carbon tubes can go through. That makes them much more stronger in that section which is especially loaded.
Here affects the maximum bending moment.
I pushed this problem more to outside, where the bending moment is much less.
I designed new wing sections for those critical points. It has a structural infill that makes this parts much stronger and even pretty light.
The wingspan is 1600 mm, 50 mm more than my first wing which I published before: http://www.thingiverse.com/thing:86982

And now - one year later, I finished my big aerobatic wing plane: http://www.thingiverse.com/thing:407766


The methode to build the wing is the same as to the first wing.
Just print the rest wing sections in sizes you prefer and and of course the wingtips.
Besides of the middle sections you need 2x 450 mm and 2x 270 mm of wing sections.

Carbon Tubes
1x 8/6 mm (outer/inner diameter) x 1000 mm long - (for the middle wing)
1x 8/6 mm (outer/inner diameter) x 307 mm long - (for the wing end sections)

1x 4/3 mm (outer/inner diameter) x 1000 mm long - (for the middle wing)
2x 4/3 mm (outer/inner diameter) x 297 mm long - (for the wing end section)

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Hi Versy,
I have been trying to contact for a project but I was out of luck. Would you please mp me some email address please ? Thank you.

Dear wersy you had enspire me to execute this model :) Thanks for info and hope that it can be done by FDM tech. Model on the way to be prepared for printing. It is going to have motor.

Hi Rob,
Your design looks very nice. It would be great if it could be printed in MDF. That's what makes things more difficult. I hope you will overcome all obstacles and I am looking forward to see how it will be and how it finally flies.

Yes Dear Wersy, determining the surface roughness can be obtained by positive effects, including aerodynamic efficiency versus laminar surfaces. Studies were developed, the algo had 1 minus. Technological support of such a roughness on the order increases the cost mold & its surface. The FDM here can obtained optimal. Designe on its full thoutle dear Wersy. Again - thanks for grate plane and enspiration. ( sorry for my poor english, I am Armenian :)

Hello dear Sir! Nice plane. Would you be so kind to tell me what airfoil did you use? It is cose to Worthmann FX but I am not sure exactly about its data, Can you help with more info?
Thanks in advance.

Hi Rob, thank you for the compliment.
The profil is based on SD7037

thx dear Sir!!! here is it, grate,
dont you think that airfoil shall have more lifting coef? It's chamber is actually possible tomody.

To be honest, I am not well versed in profiles. I just used SD7037 because I saw it in a similar model ;-)
I am sorry, but I can't give suggestion in this regard.
And yes, I know about brim, but mainly I use skeinforge.
Anyway, thank you.

Thank you for fast reply Sir.

It is very dangerous to fly things near electricity pylons, you can easily
fry your plane or even bring a line down, causing misery for some folks.

I think that it is an official "R/C-Plane-area" and the electricity pylons are far away from where the plane flies- so I think you don't have to worry about this ;)

... if you look at the video @2.17min ... you can see a plane hanging in the wires ;-)

Even this was a official "R/C-Plane-Area"

I did'nt see that one!
This is not good at all...

You both were wrong.

It is not dangerous, it seems it happens from time to time.
The pylons are not far away enough - as back2hell already found out :-)

Ok, so I can sleep without any sorrows ;)