Lockheed JetStar
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Lockheed JetStar
Le Lockheed Jetstar sur Wikipedia.en
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The [Vous devez être inscrit et connecté pour voir ce lien] L-1329 JetStar (C-140 in USAF service) is a [Vous devez être inscrit et connecté pour voir ce lien] produced from the early 1960s through the 1970s. Although the [Vous devez être inscrit et connecté pour voir ce lien] flew earlier, the JetStar was the first dedicated business jet to enter
service.
It was also one of the largest aircraft in the class for many years, seating ten plus two crew.
It is distinguishable from other small jets by its four engines, mounted on the rear of the fuselage in a similar layout to the larger [Vous devez être inscrit et connecté pour voir ce lien] airliner, and the "slipper"-style fuel tanks fixed to the wings.
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The [Vous devez être inscrit et connecté pour voir ce lien] L-1329 JetStar (C-140 in USAF service) is a [Vous devez être inscrit et connecté pour voir ce lien] produced from the early 1960s through the 1970s. Although the [Vous devez être inscrit et connecté pour voir ce lien] flew earlier, the JetStar was the first dedicated business jet to enter
service.
It was also one of the largest aircraft in the class for many years, seating ten plus two crew.
It is distinguishable from other small jets by its four engines, mounted on the rear of the fuselage in a similar layout to the larger [Vous devez être inscrit et connecté pour voir ce lien] airliner, and the "slipper"-style fuel tanks fixed to the wings.
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The first two prototypes were equipped with two [Vous devez être inscrit et connecté pour voir ce lien] engines, the first of these flying on 4 September 1957.
The second of these was also equipped with the wing-mounted "slipper tanks", which was originally going to be an optional fit.
Lockheed attempted to arrange a contract to produce the Orpheus locally in the US, but when these negotiations failed they re-engined the second prototype, N329K, with four [Vous devez être inscrit et connecté pour voir ce lien] in 1959.
The second of these was also equipped with the wing-mounted "slipper tanks", which was originally going to be an optional fit.
Lockheed attempted to arrange a contract to produce the Orpheus locally in the US, but when these negotiations failed they re-engined the second prototype, N329K, with four [Vous devez être inscrit et connecté pour voir ce lien] in 1959.
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The slipper tanks were removed and placed on the first prototype, N329J. N329J served as [Vous devez être inscrit et connecté pour voir ce lien]'s personal transport for some time.
The JT12 fit proved successful and was selected for the production versions, the first of which flew in mid 1960.
[Vous devez être inscrit et connecté pour voir ce lien] These versions entered commercial service in 1961.
The JT12 fit proved successful and was selected for the production versions, the first of which flew in mid 1960.
[Vous devez être inscrit et connecté pour voir ce lien] These versions entered commercial service in 1961.
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The "Flight Check" C-140A were a combat-coded aircraft that could be distinguished from the [Vous devez être inscrit et connecté pour voir ce lien] transport version by their distinctive camouflage paint scheme.
The last C-140A to be retired was placed on static display at Scott AFB, Illinois, to honor its distinguished service.
The last C-140A to be retired was placed on static display at Scott AFB, Illinois, to honor its distinguished service.
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An additional 11 airframes were designated C-140B, although the first of these predated the C-140As when it was delivered in 1961.
The C-140Bs were used to transport personnel by the [Vous devez être inscrit et connecté pour voir ce lien].
Six of the aircraft were operated as VIP transports by the 89th Military Airlift Wing at Andrews Air Force Base, near Washington DC.
The C-140Bs were used to transport personnel by the [Vous devez être inscrit et connecté pour voir ce lien].
Six of the aircraft were operated as VIP transports by the 89th Military Airlift Wing at Andrews Air Force Base, near Washington DC.
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These VIP aircraft were designated as VC-140Bs. The VIP transport fleet occasionally served as [Vous devez être inscrit et connecté pour voir ce lien] during the 1970s and 1980s.
Several other countries, such as [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], have used military JetStars as transports for their [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], and other VIPs.
Several other countries, such as [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], have used military JetStars as transports for their [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], and other VIPs.
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Noise regulations in the [Vous devez être inscrit et connecté pour voir ce lien] and high fuel consumption led to the development of the 731 JetStar, a modification program which added new [Vous devez être inscrit et connecté pour voir ce lien] [Vous devez être inscrit et connecté pour voir ce lien] engines and redesigned external fuel tanks to original JetStars.
The 731 JetStar modification program was so successful that Lockheed produced 40 new JetStars, designated the JetStar II, from 1976 through 1979.
The 731 JetStar modification program was so successful that Lockheed produced 40 new JetStars, designated the JetStar II, from 1976 through 1979.
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Design
The JetStar has a fairly typical business jet layout, with a [Vous devez être inscrit et connecté pour voir ce lien] and a [Vous devez être inscrit et connecté pour voir ce lien].
The wing has a 30° sweepback and features large fuel tanks at about half-span, extending some distance in front and behind the wing.
The wing also includes [Vous devez être inscrit et connecté pour voir ce lien] along the front of the wing outboard of the tanks, while double-slotted trailing-edge [Vous devez être inscrit et connecté pour voir ce lien]
span the entire rear surface.
The horizontal stabilizer is mounted about half way up the vertical stabilizer to keep it clear of the jetwash.
The JetStar has a fairly typical business jet layout, with a [Vous devez être inscrit et connecté pour voir ce lien] and a [Vous devez être inscrit et connecté pour voir ce lien].
The wing has a 30° sweepback and features large fuel tanks at about half-span, extending some distance in front and behind the wing.
The wing also includes [Vous devez être inscrit et connecté pour voir ce lien] along the front of the wing outboard of the tanks, while double-slotted trailing-edge [Vous devez être inscrit et connecté pour voir ce lien]
span the entire rear surface.
The horizontal stabilizer is mounted about half way up the vertical stabilizer to keep it clear of the jetwash.
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One feature is that trim is provided by pivoting the entire [Vous devez être inscrit et connecté pour voir ce lien], which leaves a distinctive unpainted area at that base of the fin that is noticeable in most pictures.
This arrangement, called a flying stabilizer, is now standard on most larger airplanes.
A speed brake is located on the underside of the fuselage to help slow down for landing.
The original prototypes used a tricycle landing gear with one wheel per leg, but after an accident in 1962 the nose gear was modified with two tires.
This arrangement, called a flying stabilizer, is now standard on most larger airplanes.
A speed brake is located on the underside of the fuselage to help slow down for landing.
The original prototypes used a tricycle landing gear with one wheel per leg, but after an accident in 1962 the nose gear was modified with two tires.
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