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aeronewsline :: Accueil :: Histoire :: Aéronefs 1945 à 1955
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:05
A key feature was the introduction of the T56 turboprop which was first developed specifically for the C-130.
At the time, the turboprop was a new application of jet engines which used exhaust gases to turn a shafted propeller which offered greater range at propeller-driven speeds compared to pure jets which were faster but thirstier.
As was the case on helicopters of that era such as the UH-1 Huey, turboshafts produced much more power for their weight than piston engines.
At the time, the turboprop was a new application of jet engines which used exhaust gases to turn a shafted propeller which offered greater range at propeller-driven speeds compared to pure jets which were faster but thirstier.
As was the case on helicopters of that era such as the UH-1 Huey, turboshafts produced much more power for their weight than piston engines.
Swift60- CLUB
- Messages : 2628
Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:10
Lockheed would subsequently use the same engines and technology in the Lockheed L-188 Electra.
That plane was a disappointment as an airliner, but quite successfully adapted as the P-3 Orion patrol plane where speed and endurance of turboprops excelled.
That plane was a disappointment as an airliner, but quite successfully adapted as the P-3 Orion patrol plane where speed and endurance of turboprops excelled.
Swift60- CLUB
- Messages : 2628
Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:14
The new Lockheed cargo plane design possessed a range of 1,100 nmi (1,300 mi; 2,000 km), takeoff capability from short and unprepared strips, and the ability to fly with one engine shut down.
Fairchild, North American, Martin and Northrop declined to participate. The remaining five companies tendered a total of ten designs: Lockheed two, Boeing one, Chase three, Douglas three, and Airlifts Inc. one.
The contest was a close affair between the lighter of the two Lockheed (preliminary project designation L-206) proposals and a four-turboprop Douglas design.
Fairchild, North American, Martin and Northrop declined to participate. The remaining five companies tendered a total of ten designs: Lockheed two, Boeing one, Chase three, Douglas three, and Airlifts Inc. one.
The contest was a close affair between the lighter of the two Lockheed (preliminary project designation L-206) proposals and a four-turboprop Douglas design.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:17
The Lockheed design team was led by Willis Hawkins, starting with a 130 page proposal for the Lockheed L-206.[3] Hall Hibbard, Lockheed vice president and chief engineer, saw the proposal and directed it to Kelly Johnson, who did not care for the low-speed, unarmed aircraft, and remarked, "If you sign that letter, you will destroy the Lockheed Company."
Both Hibbard and Johnson signed the proposal and the company won the contract for the now-designated Model 82 on 2 July 1951.
Both Hibbard and Johnson signed the proposal and the company won the contract for the now-designated Model 82 on 2 July 1951.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:18
The first flight of the YC-130 prototype was made on 23 August 1954 from the Lockheed plant in Burbank, California. The aircraft, serial number 53-3397, was the second prototype but the first of the two to fly.
The YC-130 was piloted by Stanley Beltz and Roy Wimmer on its 61-minute flight to Edwards Air Force Base; Jack Real and Dick Stanton served as flight engineers. Kelly Johnson flew chase in a P2V Neptune.
The YC-130 was piloted by Stanley Beltz and Roy Wimmer on its 61-minute flight to Edwards Air Force Base; Jack Real and Dick Stanton served as flight engineers. Kelly Johnson flew chase in a P2V Neptune.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:21
Production
After the two prototypes were completed, production began in Marietta, Georgia, where more than 2,300 C-130s have been built.
The initial production model, the C-130A, was powered by Allison T56-A-9 turboprops with three-blade propellers.
After the two prototypes were completed, production began in Marietta, Georgia, where more than 2,300 C-130s have been built.
The initial production model, the C-130A, was powered by Allison T56-A-9 turboprops with three-blade propellers.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:23
Deliveries began in December 1956, continuing until the introduction of the C-130B model in 1959.
Some A models were re-designated C-130D after being equipped with skis.
The newer C-130B had ailerons with increased boost—3,000 psi (21 MPa) versus 2,050 psi (14 MPa)—as well as uprated engines and four-bladed propellers that were standard until the J-model's introduction.
Some A models were re-designated C-130D after being equipped with skis.
The newer C-130B had ailerons with increased boost—3,000 psi (21 MPa) versus 2,050 psi (14 MPa)—as well as uprated engines and four-bladed propellers that were standard until the J-model's introduction.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:31
C-130A model
The first production C-130s were designated as A-models, with deliveries in 1956 to the 463d Troop Carrier Wing at Ardmore AFB, Oklahoma and the 314th Troop Carrier Wing at Sewart AFB, Tennessee. Six additional squadrons were assigned to the 322d Air Division in Europe and the 315th Air Division in the Far East.
The first production C-130s were designated as A-models, with deliveries in 1956 to the 463d Troop Carrier Wing at Ardmore AFB, Oklahoma and the 314th Troop Carrier Wing at Sewart AFB, Tennessee. Six additional squadrons were assigned to the 322d Air Division in Europe and the 315th Air Division in the Far East.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:33
Additional airplanes were modified for electronics intelligence work and assigned to Rhein-Main Air Base, Germany while modified RC-130As were assigned to the Military Air Transport Service (MATS) photo-mapping division.
Airplanes equipped with giant skis were designated as C-130Ds, but were essentially A-models except for the conversion.
Airplanes equipped with giant skis were designated as C-130Ds, but were essentially A-models except for the conversion.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:35
Australia became the first non American force to operate the C130A Hercules with 12 examples being delivered during late 1958-early 1959.
These aircraft were fitted with 3 blade AeroProducts propeller of 15' diameter.
These aircraft were fitted with 3 blade AeroProducts propeller of 15' diameter.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:37
As the C-130A became operational with Tactical Air Command (TAC), the airplane's lack of range became apparent and additional fuel capacity was added in the form of external pylon-mounted tanks at the end of the wings.
The A-model continued in service through the Vietnam War, where the airplanes assigned to the four squadrons at Naha AB, Okinawa and one at Tachikawa Air Base, Japan performed yeoman's service, including operating highly classified special operations missions such as the BLIND BAT FAC/Flare mission and FACT SHEET leaflet mission over Laos and North Vietnam.
The A-model continued in service through the Vietnam War, where the airplanes assigned to the four squadrons at Naha AB, Okinawa and one at Tachikawa Air Base, Japan performed yeoman's service, including operating highly classified special operations missions such as the BLIND BAT FAC/Flare mission and FACT SHEET leaflet mission over Laos and North Vietnam.
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Re: Lockheed C-130 Hercules
par Swift60 Lun 23 Aoû 2010, 09:39
The A-model was also provided to the South Vietnamese Air Force as part of the Vietnamization program at the end of the war, and equipped three squadrons based at Tan Son Nhut AFB.
The last operator in the world is the Honduran Air Force, which is still flying one of five A model Hercs (FAH 558, c/n 3042) as of October 2009.
The last operator in the world is the Honduran Air Force, which is still flying one of five A model Hercs (FAH 558, c/n 3042) as of October 2009.
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