Wing ID Needed - Stork? - RC Groups
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Sep 10, 2012, 11:41 PM
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Wing ID Needed - Stork?

I have a second-hand sailplane that is supposed to have a Stork wing (married to a Genie fuse). I damaged the wingtips and need to find replacements. I have two questions for you:

1. Can anyone confirm that the wing is a Stork? A key point is that the carbon fiber joiner is 0.35 x 0.47 inches (9 mm x 12 mm) and is straight, no built-in dihedral.

2. If not a Stork, any idea what it might be?
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Sep 11, 2012, 10:16 AM
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That certainly looks like a Stork. Mine is at the club right now, give me a day or so to get some measurements to confirm.
Sep 12, 2012, 10:21 AM
Registered User
Well, there are some differences to mine - the tip shape is slightly different and my joiner blades have a couple of degrees dihedral built-in. But there are several versions of Stork, maybe yours is just a different variant. The following data applies to a Stork 4 electric, x-tail.

Panel length: 930 mm = 36.61"
Profile thickness at root: 18.7 mm = 0.74"
Wing chord at root, including aileron: 221 mm = 8.7"
Incidence pin diameter: 3.0 mm = 0.12"
Distance between incidence pins, center to center: 123.5 mm = 4.86"
Distance from leading edge to center of front pin: 16 mm = 0.63"
Distance from wing bottom surface to center of front pin: 8.0 mm = 0.31"
Distance from wing bottom surface to center of rear pin: 9.0 mm = 0.35"
Distance from leading edge to front face of wing joiner: 73 mm = 2.87"
Distance from wing bottom surface to bottom of wing joiner: 3.1 mm = 0.12"
Wing joiner dimensions: 9 mm x 12 mm = 0.35" x 0.47"

Manufacturer's home page:

Hope this helps.
Sep 15, 2012, 12:12 PM
Detail Freak
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It could be an earlier version of the Stork, possibly version 1 or 2?

Sep 21, 2012, 10:54 PM
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Stork 1 - USA Version

After some research I'm pretty well convinced that this is a Heinrich Stork 1 - USA version. I've posted a wanted ad for the tips, but gotten no hits. So I thought I would bump this up and see if any of you can help me out.

The alternative is to throw away the whole wing or maybe try some sort of repair, which I would probably screw up and end up with a flying piece of ... junk.

Please save me from my attempts at a repair
Sep 21, 2012, 11:45 PM
Registered User
Have you e-mailed the manufacturer ( Even if they don't have that particular model listed on their website, they might still have all the molds and could make you a new tip at a reasonable cost.

Exactly how is it broken? Got pictures? If you can't find a replacement, what do you have to lose by attempting to repair it? Repairing composites is no more difficult than repairing balsa or foam, only different. Start a thread at with as much information as you can provide and the gurus there will walk you through the repair. I'm sure you could make it usable. Maybe not pretty, but certainly usable.
Last edited by jkettu; Sep 21, 2012 at 11:50 PM.
Sep 30, 2012, 04:15 AM
Registered User
My old Stork I had a terrible crash last year and the fuselage cone was permanently damaged. I wrote to Heinrich and they made me a new cone from molds they had. The service was great, it is flying again and I am happy.
Sep 30, 2012, 10:52 AM
Registered User
I contacted Heinrich and was told that they do not produce parts for the 10 year old old wing. So I'm stuck with finding used or repairing.

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