Originally Posted by
castlebravo
1) Im a Navy aircraft
2) I was very....very ugly
3) I used a material in my construction that every modeler in the world should be familiar with
4) This aircraft was the first or novel in several respects
CB
I've been good for a while, so I'll take a long shot with this one. I'm not so sure about the very, very ugly part, but the rest seems to fit. How about the Vought F6U? Balsa wood construction, turbojet power, afterburner, composite skin and stainless steel; this bird had it all and most of it was the first time in use. Thanks; Ernie P.
The Vought F6U Pirate was the
Vought company's first
jet fighter, designed for
US Navy during the mid-1940s. Although pioneering the use of
turbojet power as the first naval fighter with an
afterburner and
composite material construction, the aircraft proved to be underpowered and was judged unsuitable for combat. None were ever issued to operational squadrons and they were relegated to development, training and test roles before they were withdrawn from service in 1950.
A specification was issued by the
U.S. Navy's Bureau of Aeronautics (BuAer) for a single-seat, carrier-based fighter powered by a
Westinghouse24C (later J34) axial turbojet on 5 September 1944. Chance Vought was awarded a contract for three V-340 (company designation) prototypes on 29 December 1944.
The XF6U was a small aircraft with
tricycle landing gear and with straight wings and tail surfaces. The wings were short enough that they did not need to fold. In order to fit more aircraft into crowded
hangars, the nose gear could be retracted and the aircraft's weight would rest on a small wheel attached by the ground crew. This raised the tail up so that it could overlap the nose of the aircraft behind it. The jet engine was mounted in the rear of the fuselage and was fed by ducts in each
wing root.
The most unusual feature of the aircraft was its use of "Metalite" for its skin. This was made of balsa that was sandwiched between two thin sheets of aluminum. "Fabrilite" was also used for the surfaces of the
vertical stabilizer and
rudder; this was similar to Metalite, but used fiberglass instead of aluminum. Two fuel tanks were fitted in the center of the fuselage. The forward tank, ahead of the wing, contained 220 US gallons (830 l; 180 imp gal) and the rear tank, 150 US gallons (570 l; 120 imp gal). These were supplemented by two jettisonable 140-US-gallon (530 l; 120 imp gal)
tip tanks. The
cockpit was well forward and was provided with a
bubble canopy which gave the pilot good visibility. He was provided with a Mk 6 lead-computing
gyro gunsight. Underneath the cockpit were four 20 mm (0.79 in)
M3 autocannon. Their 600
rounds of ammunition were carried behind the pilot. The empty casings of the two upper guns were retained in the aircraft, while those from the two lower guns were ejected overboard.
After a company-wide contest to name the aircraft, the initial prototype received the name Pirate, and made its first flight on 2 October 1946.
Flight testing revealed severe aerodynamic problems, mostly caused by the
airfoil section and thickness of the wing. The vertical stabilizer also had to be redesigned to smooth out the airflow at the intersection of the horizontal and vertical stabilizers. Other changes included the addition of
dive brakes on the sides of the fuselage and the replacement of the Metalite panels near the engine's exhaust with
stainless steel ones.
The first XF6U-1 prototype was powered by a
Westinghouse J34-WE-22 turbojet with 3,000 lbf (13.34 kN) thrust, one third of the weight of the aircraft. To help improve the underpowered aircraft's performance, the third prototype, which first flew on 10 November 1947, was lengthened by 8 feet (2.4 m) to use a Westinghouse J34-WE-30 afterburning engine of 4,224 lbf (18.78 kN) thrust, the first
United States Navy fighter to have such a powerplant.