4 bladed Hellcat props (1 Viewer)

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I belive that is a NAA F-86 (D?) Sabre Dog (missing its radime), lying on its side, belly towards the camera. You can see the landing gear.
 
Capt Vick I believe you are right, that does appear to be a radome equipped F-86, sans radome and doors down its right side, laying next to the Spad. I'm curious what's laying next to it. Assuming North is up in the picture, there appears to be the Spad we can all agree on, then south of it an F-86 fuselage (ID'd by Capt Vick), and then two more radial powered beasts. The first one south of the Sabre looks to either be a single seat Spad or a P-47 (going by shape of the cowl as compared to the Spad). Anyone? It actually looks more to be a P-47 based on the forward windscreen not being rectangular (as can be seen in the picture).
 
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Sorry for the necromancy, but back to the original topic - the strange thing is why the B-26 with only the 1-stage supercharger and even bigger 13'6 prop did get the 4 blades?
 
I've actually seen one win that race. But he wasn't running anywhere near a stock engine. Extra horsepower and torque make a huge difference.

Power to weight ratio Is kinda of important.

Myself, I'd have picked a lighter car to run it in, but the one I saw did the quarter-mile in the low 12's, which wasn't in the cards for most 1968 cars because the tires were not anywhere NEAR as developed as they were a few years later. They's spin the tires instead of breaking differential gears, driveshafts, and clutches like they were doing a few years down the road with the same cars with updated tires.

I used to like Uniroyal Tiger Paws until I realized they'd leave a black rubber trail every time you goosed the gas ... they had short lifespans under a big-block car! They got great traction by leaving a lot of the the tread on the ground ... and turning a lot of old, original Sunoco 260 into noise.
 
XF6F-6, two built using the same engine as the F4U-4. Production canceled with the end of the war.
If the aircraft flew, was there any flight-test data on the aircraft? If it didn't, was there any projected data?
A B-50D used a 16'8" prop
The B-29 had the same propeller size right?

Prop clearance, level stance:
- F6F: 7.31 in
- F4U: 9.1 in
- P-47 (with 13 ft prop): 4.15 in; roughly all the pre-1944 P-47s were with 12 ft 2 in prop
So the P-47 with the 12'2" would be 14.15"?
 

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