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Classic Wings Magazine WWII Naval Aviation Research Pacific Luftwaffe Resource Center
When Hollywood Ruled The Skies - Volumes 1 through 4 by Bruce Oriss


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PostPosted: Wed Nov 21, 2018 9:22 am 
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Joined: Wed Dec 10, 2008 7:25 pm
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Location: Travis AFB
What are the black squares on the PV-1 wings?


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PostPosted: Wed Nov 21, 2018 11:43 am 
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Joined: Mon Jan 18, 2010 9:12 am
Posts: 296
At those locations are aerodynamic slots in the wing that keep the wing tips from stalling before the rest of the wing.

As to the dark (black) coloring, I don't know, but it seems possible that the slots are protected from icing with pneumatic boots just like the leading edges of the wings and tail.

C2j


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PostPosted: Wed Nov 21, 2018 11:44 am 
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I wonder if it's just a different color paint where the slots are located?

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PostPosted: Wed Nov 21, 2018 7:59 pm 
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Joined: Mon Jan 18, 2010 9:12 am
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Mike,

Looking at the two photos you posted above, I am more convinced it is de-icing boots. The top picture shows a wing with no de-icers and the bottom picture shows a wing with de-icers.

C2j


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