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Old Oct 25, 2013, 06:26 PM
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Gallery
Grumman Gulfhawk F3F-2

It's long fascinated me that these chubby Grumman bipes were known as light and highly maneuverable fighters. They don't look it, but they were!

CD
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Old Oct 25, 2013, 07:02 PM
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And another...
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Old Oct 26, 2013, 02:33 PM
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IIRC, the Gulfhawk was actually an F-3-F fuselage and tail fitted with smaller wings from F-2-F.. Engine and cowl may be from that earlier craft as well. One could use Westberg's outstanding scale drawings of both to make an accurate Gulfhawk. Bob Banka used to sell a very good photo packet of the Gulfhawk, as it resides in NASM. Some narratives have the trim colors to the white on orange pattern as "black" while others say DK Blue. Anyone know for sure?? Banka's photos could go either way!
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Old Oct 26, 2013, 07:18 PM
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UM-to-60-inch fixed wing
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I live a mile from the NASM Udvar-Hazy center. Attached is a flash photo from a couple of years ago. The colors go with the Gulf Oil logos of my youth.



http://www.abpic.co.uk/photo/1145982/
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Old Oct 28, 2013, 10:18 AM
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I live about 3000 miles from the Udvar-Hazy center (LOL )and still don't know if the dark color is blue or black.
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Old Oct 28, 2013, 12:54 PM
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It's Gulf Blue and Orange.
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Old Nov 04, 2013, 09:27 AM
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http://www.rcgroups.com/forums/showt...534053&page=75

see Report #1118 for partial Westberg scale drawing.
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Old Nov 27, 2013, 09:45 PM
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First page of a Gulfhawk article in Flight
http://www.flightglobal.com/pdfarchi...0-%201968.html
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Old May 12, 2015, 09:36 AM
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Found this, this AM.
http://www.outerzone.co.uk/plan_details.asp?ID=564
It's a model plan, but perhaps oh, so much more... Lot's of detail, which appears to be accurate to full scale prototype.
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Old May 25, 2015, 11:34 AM
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from wikipedia
The Grumman F3F was the last American biplane fighter aircraft delivered to the United States Navy, and served between the wars. Designed as an improvement on the single-seat F2F, it entered service in 1936. It was retired from front line squadrons at the end of 1941 before it could serve in World War II, and was first replaced by the Brewster F2A Buffalo. The F3F which inherited the landing gear configuration first used on the Grumman FF served as the basis for a biplane design ultimately developed into the much more successful F4F Wildcat. When it entered combat, the Wildcat would quickly replace the Buffalo as the primary fighter of the Navy and Marines in the first part of World War II, and continue to be produced throughout the conflict.

...

A civilian aerobatic two-seat variant, the G-22A "Gulfhawk II," was constructed in 1938 and flown by Major Alfred "Al" Williams (Ret.), head of Gulf Oil's aviation department.

General characteristics

Crew: one pilot
Length: 23 ft 2 in (7.06 m)
Wingspan: 32 ft 0 in (9.75 m)
Height: 9 ft 4 in (2.84 m)
Wing area: 260 ft (24.15 m)
Empty weight: 3,285 lb (1,490 kg)
Max. takeoff weight: 4,795 lb (2,175 kg)
Powerplant: 1 Wright R-1820-22 "Cyclone" 9-cylinder radial engine, 950 hp (710 kW)

Performance

Maximum speed: 264 mph (229 kn, 425 km/h) at 15,250 ft (4,658 m)
Cruise speed: 150 mph (130 kn, 240 km/h)
Range: 980 mi (850 nmi, 1,600 km)
Service ceiling: 33,200 ft (10,120 m)
Rate of climb: 2,800 ft/min (14 m/s) at sea level

Armament

Guns:
1 0.30 in (7.62 mm) M1919 machine gun, 500 rounds (left)
1 0.50 in (12.7 mm) M2 machine gun, 200 rounds (right)
Bombs: 2 116 lb (52.6 kg) Mk IV bombs, one under each wing





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