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Folding Wings

Schematics Discuss Folding Wings in the Technical forums; Hello All, I was wondering if anyone knows where I can see a schematic or a sketch on how aircraft ...


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Old 03-04-2008, 12:47 PM   #1
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Folding Wings

Hello All,

I was wondering if anyone knows where I can see a schematic or a sketch on how aircraft wings fold- particularly the folding style of the wildcat and/or hellcat. I'm able to find text descriptions, but it's kinda difficult to picture it's operation without a drawing. Any info will be appreciated.

Oh, other drawings on simple folding wings (like that found on the Corsair) will be helpful also!

Thanks
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Old 03-04-2008, 04:21 PM   #2
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Try this, this one is from the book published monographie on the F6F hellcat.
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File Type: jpg hellcat.JPG (95.2 KB, 227 views)
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Old 03-04-2008, 11:33 PM   #3
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How does the wing locking system look like? It must be pretty strong...
How many minutes did it take to fold/unfold the wings?
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Old 03-05-2008, 02:48 AM   #4
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Hi,
These pics are from two books "In Detail & Scale" Vol.26 and 49 - Grummman F6F Hellcat
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File Type: jpg hellcat wing fold_1.jpg (309.2 KB, 213 views)
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File Type: zip hellcat wing fold.zip (1.92 MB, 39 views)
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Old 03-05-2008, 06:23 AM   #5
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Originally Posted by seesul View Post
How does the wing locking system look like? It must be pretty strong...
How many minutes did it take to fold/unfold the wings?
On the Hellcat, it's very quick. A release is held in the cockpit and one person can swing the wing up into the locked position, although we typically use 2 because of the size and weight. On the Bearcat and the Zero, it's just wingtip folds.
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Old 03-05-2008, 06:26 AM   #6
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There's also an old thread on the F8F and Avenger wing fold mechanisms here:

http://www.ww2aircraft.net/forum/air...mech-3251.html (grumman F8F and TBM avenger wing fold mech.)
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Old 03-05-2008, 11:51 AM   #7
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thank you friends, itīs more clear for me now...
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Old 03-05-2008, 01:11 PM   #8
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Very good stuff!

There were no fuel or electrical lines to be disconnected? I do remember that the Hellcat had wing tanks, but I guess they were in the inboard sections.
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Old 03-05-2008, 02:03 PM   #9
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Yes two main fuel tanks were mounted in the central section and the spare one under a pilot's seat.
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Old 09-15-2008, 08:51 AM   #10
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Does someone know the angles of the hinges (seen from the side and from the front)? From the sketches I measure alpha = 60 and beta = 30 deg. Do you think that's right? Or do you think a dummy mockup is the only way to find things out (OK 3D-CAD would also work).
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Last edited by p51flier : 09-16-2008 at 01:44 AM.
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