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Old Feb 03, 2014, 06:04 AM
fheanor is offline
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Joined Jul 2005
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Detachable/portable flying wing with true airfoil: your parkflyer in a "backpack"

Hi all!!

I have build a little portable/detachable flying wing and I would like to share the design with you.
There is nothing new, but I think that some of you will be interested because it can be transported in "standard" backpack, so you can use your bicycle to go to the flying field or park to fly this small piece of foam !!!

I have built two wings;
The first one is bare depron with a thick airfoil, it only weight 126grs ready to fly (except the battery) and it's powered by a 10 grs motor and 6 amp esc.. With a fresh 460mah 3s (add 45grs) and a 5x5 it goes vertical and it glides forever. I've done more than 50flights and it still flies wonderfully

The second version has a thinner airfoil, its powered by a custom wound cdrom motor (8T 21awg wire) and it's powered by a 4s 1300mah battery and 20amp esc. I'ts really fast (about 80mph) and flies like a dream

Both wings have a center section in which all the electronics are installed. The wing sections and center sections are joined by carbon fiber spars and hold in place by neo magnets. Enough talk!! next images and videos are self-explanatory


video ensamblaje (0 min 38 sec)


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Description: wing dimensions and balsa airfoil former placement line. The ailerons are not shown but they should measure 4cm wide. Name: 2.jpg
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Description: I use poliurethane glue. I'ts a lot lighter than hot glue. We are about to glue the balsa spar which will form the airfoil Name: 3.jpg
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Description: Te airfoil it's almost done Name: 5.jpg
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Description: airfoil done Name: 6.jpg
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Description: we give eought time to cure the glue

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Description: This are the carbon fiber rods. the inner rod is 3mm of diameter. The outer rod has an internal diameter of 3,2mm and external diameter of 4mm Name: 8.jpg
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Description: We carve the canal where we will glue the outer rods Name: 9.jpg
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Description: outer rods glued and neo magnets that will secure the wings Name: 10.jpg
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Description: wing detached Name: 11.jpg
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Description: attaching the wing

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Description: more images of the attaching system Name: 14.jpg
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Description: Name: 15.jpg
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Description: They are pretty!!
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Last edited by fheanor; Feb 03, 2014 at 06:09 AM.
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Old Feb 03, 2014, 07:29 AM
fheanor is offline
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flying video with 4s

GOPR0010 (2 min 24 sec)
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Old Feb 03, 2014, 10:25 AM
ttersu is offline
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All can fly...Launch stronger!
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France, Centre, Romorantin-Lanthenay
Joined Oct 2013
771 Posts
Realy funny! Thank's!

Don't forget to share plans!
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