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  41 Votes (4.87 Average) and 3,866 Views  

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John Buckley
...after WWII my Father and I would go over to Brunswick Naval Air Station and park at the end of the East-West runway to watch these F4U Corsair fighters coming and going sometimes. The model we saw had a four bladed prop which I think may have been a result of the aircraft's experience in Korea.
Talbert ReesePhoto Uploader
There were models in the Pacific during WWII that had the 4 blade prop, nothing to do with Korea.
David Apps
Magnificent shot
Ronald McCullough
an old timer once told me that the difference between the three and four bladed was one was called a persuit and the other a fighter. does any one know???
jim gevay
Ronald McCullough, only the U S Army used the P designation for pursuit up until 1947 when the U S Air Force was formed and changed to the F designation.

The Navy and Marines used a different system based on mission and manufacture.
So no, the 3 blade or 4 blade prop has no bearing on it being a P or an F.

All the Corsairs had 3 blades until the F4U-4 model which also had a chin scoop on the cowling.
jthyland
Sweet. Like a 1967 GTO.

P&W R2800, 2000hp, 18 Cyl. Twin Wasp.
skylab72
You really do not want to get into WWII USNAVY acft model designations. F (fighter) 4 (4th type from the manufacturer) U (manufacturer [Vought Aircraft]) dash number of the model within the type. The pic I think is a 2 or a 1. Thus F4U-1

The -4 got the extra blade to absorb more horsepower when they pumped up the ol'R2800 past 2000hp. 21?0 for the about the first 300 and 2450HP! for the rest of the -4s. Probably the first Navy fighter to launch with a throttle setting below fully open.
Dick Hendrickson
It's a FG-1D three blade prop.
Scott Hickman
IIRC, the FG-x models (Goodyear built) did not have folding wings and were land based aircraft.
Dave Canzano
3 bladed props manufactured by Hamilton Standard, 4 bladed props were Curtiss Electric.

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