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Lockheed_L-133
DevelopmentThe Lockheed aviation company was the first in the United States to start work on a jet-powered aircraft, the L-133 design started in 1939 as a number of "Paper Projects" by engineers Clarence "Kelly" Johnson, Willis Hawkins and Hall J Hibbard. By 1940 preliminary work on a company financed jet fighter had been started, which progressed to several different versions on the drawing board. In the meantime Lockheed were working on an axial-flow L-1000 turbojet engine of their own design, which was intended to power the culmination of the jet fighter project, the Model L-133-02-01.
Throughout World War II, the development of a jet-powered fighter had the potential to bring a decisive advantage in the air battles of the war; as history played out only the Luftwaffe built significant numbers of jet fighters before World War II ended, and they reached service too late to make a difference.
On March 30, 1942, Lockheed formally submitted the L-133-02-01 to the United States Army Air Forces for consideration.[1] Powered by two L-1000 turbojets and featuring a futuristic-appearing canard design with slotted flaps to enhance lift, the single-seat fighter was expected to have a top speed of 612 mph (985 km/h) in level flight.[1]
The L-133 had a main wing shape that should be familiar to World War II aviation buffs: essentially the outer wing sections of a Lockheed P-38. In many respects the L-133 was far ahead of its time, with futuristic features including:
canard layout
blended wing-body planform
two engines in a very low-drag integral fuselage location
The USAAF considered the L-133 to be too advanced for the time, and did not pursue the project.[1] However the experience gained with the design would serve Lockheed well in the development of the USAAF's first operational jet fighter, the P-80 Shooting Star. Although entering service after World War II had ended, the P-80 was less advanced than the L-133. Because the USAAF didn't give the L-133 project the go-ahead, the advanced engines intended for the L-133 had long pauses in their development. The most expedient engine choice for the P-80 thus became the Allison J33 based on British centrifugal compressor designs. The P-80 was a cheap-to-build single-engined aircraft with a very conventional wing and tailplane design, not using the blended wing-body and canard layout of the L-133.
[edit] Specifications (L-133-02-01)Data from [2]
General characteristics
Crew: 1
Length: 48 ft 4 in (14.73 m)
Wingspan: 46 ft 8 in (14.22 m)
Wing area: 325 ft2 (30.194 m2)
Powerplant: 2 × Lockheed L-1000 axial-flow turbojets, 5100 lbf (23 kN) each each
Performance
Maximum speed: 612 mph (985 km/h)
Armament
4 × 20mm nose-mounted cannon
Throughout World War II, the development of a jet-powered fighter had the potential to bring a decisive advantage in the air battles of the war; as history played out only the Luftwaffe built significant numbers of jet fighters before World War II ended, and they reached service too late to make a difference.
On March 30, 1942, Lockheed formally submitted the L-133-02-01 to the United States Army Air Forces for consideration.[1] Powered by two L-1000 turbojets and featuring a futuristic-appearing canard design with slotted flaps to enhance lift, the single-seat fighter was expected to have a top speed of 612 mph (985 km/h) in level flight.[1]
The L-133 had a main wing shape that should be familiar to World War II aviation buffs: essentially the outer wing sections of a Lockheed P-38. In many respects the L-133 was far ahead of its time, with futuristic features including:
canard layout
blended wing-body planform
two engines in a very low-drag integral fuselage location
The USAAF considered the L-133 to be too advanced for the time, and did not pursue the project.[1] However the experience gained with the design would serve Lockheed well in the development of the USAAF's first operational jet fighter, the P-80 Shooting Star. Although entering service after World War II had ended, the P-80 was less advanced than the L-133. Because the USAAF didn't give the L-133 project the go-ahead, the advanced engines intended for the L-133 had long pauses in their development. The most expedient engine choice for the P-80 thus became the Allison J33 based on British centrifugal compressor designs. The P-80 was a cheap-to-build single-engined aircraft with a very conventional wing and tailplane design, not using the blended wing-body and canard layout of the L-133.
[edit] Specifications (L-133-02-01)Data from [2]
General characteristics
Crew: 1
Length: 48 ft 4 in (14.73 m)
Wingspan: 46 ft 8 in (14.22 m)
Wing area: 325 ft2 (30.194 m2)
Powerplant: 2 × Lockheed L-1000 axial-flow turbojets, 5100 lbf (23 kN) each each
Performance
Maximum speed: 612 mph (985 km/h)
Armament
4 × 20mm nose-mounted cannon