Vraciu
Airman
Hello!
I'm searching for Grumman F4F Wildcat Manual Book. I'll be very thankful for any help.
Chris
I'm searching for Grumman F4F Wildcat Manual Book. I'll be very thankful for any help.
Chris
F4F Manual Book
- Thread starter Vraciu
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Vraciu
Airman
Thank you very much,smeagol to others. Now I have all manuals of US Navy fighters and I can compare them. Thank you again!
Chris
Chris
Here's the F4F manual as posted by R Leonard in Manuals people are looking for:
MIflyer
1st Lieutenant
The R-1830-76 engine was used on the F4F-3 and F4F-4. It differed from the R-1830 engines used in aircraft such as the B-24, C-47, and SBD-3 in that it had a two stage two speed mechanical supercharger. This gave the F4F better performance at altitude compared to other early war aircraft such as the P-40 and P-39, which had only single stage single speed superchargers - or for that matter, the A6M2 Zeke.
The -76 engine was rated at 1200 hp at 2700 rpm at sea level and 1000 hp at 2550 rpm at 19,000 ft.
Note that the F4F-3A/-4A version of the Wildcat had the -90 version of the engine, which had only a single stage supercharger. While it had a similar rating to the -76 at sea level it produced 1000 hp at only 14,500 ft.
The FM-2 used the Wright R-1820-56 which was a single row radial that had only a single stage supercharger and produced 1300 hp at 2600 rpm at sea level or the R-1820-72A that gave 1350 hp at sea level or the -74 version that provided 1425 hp at sea level. The single stage R-1820 was a lighter engine than the two stage 1830, and, as you can see, gave considerably more HP at low altitude. While the high altitude performance of the FM-2 was less than that of the F4F, its lighter weight and more power down low was more suitable for the jeep carriers that were equipepd with the FM-2. I have read reports that the FM-2's much higher low altitude performance seemed to come as a rude shock to the Japanese pilots who thought they were engaging an ordinary old Wildcat instead of that much more formidable F6F.
Actually I was wondering more about the differences between the R-1830-76 and R-1830-86 engines. There is a small difference in power curve but what I was after was more like manifold pressure settings for Combat and Cruise setting.... In other words, how does the manual differ with the earlier engine?
I actually found most of what I wanted in the book "America's Hundred Thousand". It also mentioned that even at altitude, the power difference between the R-1820 and R-1830 engines only differed by around 50 hp and the FM-2 weighed around what the F4F-3 weighed so performance of the FM-2 was MUCH superior to the F4F-4.
- Ivan.
I actually found most of what I wanted in the book "America's Hundred Thousand". It also mentioned that even at altitude, the power difference between the R-1820 and R-1830 engines only differed by around 50 hp and the FM-2 weighed around what the F4F-3 weighed so performance of the FM-2 was MUCH superior to the F4F-4.
- Ivan.
N4521U
Colonel
I'm in need of the engine oil cooling tube details.
From the two inlets at the opening of the cowling on each side.
What does that tube have in it?
I think I have found the answer, FYI.
They lead to the little radiators on either side in the gear compartment, Yes?
Oil cooling.
Water tank for injection, anti-detonation.
Any kind of photo for either of these.
And now I have found looking at "restorations" there was NO water tank....!
Cheers.
From the two inlets at the opening of the cowling on each side.
What does that tube have in it?
I think I have found the answer, FYI.
They lead to the little radiators on either side in the gear compartment, Yes?
Oil cooling.
Water tank for injection, anti-detonation.
Any kind of photo for either of these.
And now I have found looking at "restorations" there was NO water tank....!
Cheers.
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