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aeronewsline :: Accueil :: Histoire :: Aéronefs 1956 à 1965
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Re: Lockheed JetStar
par TRINIDAD Sam 22 Jan 2011, 11:21
The JetStar is a relatively heavy aircraft for its class, at 42,500 lb (19,278 kg).
Maximum cruising speed is Mach 0.8, or 567 mph (912 km/h) at 21,000 ft (6,401 m). Range is typically quoted as 2,500 mi (4,023 km) with a 3,500 lb (1,588 kg) payload.
Maximum cruising speed is Mach 0.8, or 567 mph (912 km/h) at 21,000 ft (6,401 m). Range is typically quoted as 2,500 mi (4,023 km) with a 3,500 lb (1,588 kg) payload.
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Re: Lockheed JetStar
par TRINIDAD Sam 22 Jan 2011, 12:15
Typically interiors feature seating for eight with a full-sized lavatory, or a slightly denser arrangement for ten.
The JetStar is one of the few aircraft of its class that allowed a person to walk upright in the cabin, although to do this the aisle was sunk slightly so that the seats were raised on either side.
[Vous devez être inscrit et connecté pour voir ce lien] The windows are relatively large.
The JetStar is one of the few aircraft of its class that allowed a person to walk upright in the cabin, although to do this the aisle was sunk slightly so that the seats were raised on either side.
[Vous devez être inscrit et connecté pour voir ce lien] The windows are relatively large.
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Re: Lockheed JetStar
par TRINIDAD Sam 22 Jan 2011, 12:17
The JetStar II is generally similar, with a number of detail changes.
The cockpit area has somewhat more "modern" looking nose and window arrangement, larger engines, and most notably, the fuel tanks are larger and sit with their upper surfaces flush with the wing, rather than being centered on it.
The cockpit area has somewhat more "modern" looking nose and window arrangement, larger engines, and most notably, the fuel tanks are larger and sit with their upper surfaces flush with the wing, rather than being centered on it.
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Re: Lockheed JetStar
par TRINIDAD Sam 22 Jan 2011, 12:20
Variants
Jetstar I
Business, executive transport aircraft, with accommodation for a crew of two and ten passengers, powered by four 3,300 lbf (14.7 kN) thrust Pratt & Whitney JT12A-8 turbojet engines.
Jetstar I
Business, executive transport aircraft, with accommodation for a crew of two and ten passengers, powered by four 3,300 lbf (14.7 kN) thrust Pratt & Whitney JT12A-8 turbojet engines.
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Re: Lockheed JetStar
par TRINIDAD Sam 22 Jan 2011, 12:22
Je rectifie, d'après le corps de texte et la source ci dessous
Le premier Jetstar prototype était biréacteur
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Le premier Jetstar prototype était biréacteur
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The Lockheed Jetstar was the first business jet.
A four-engined aircraft, with several engine models installed, the aircraft was in production from 1957 to 1979.
It entered service in early 1961.
The first two Jetstars were twin engined airplanes, powered by Bristol Siddeley Orpheus turbojet engines.
The second was refitted with the four Pratt & Whitney JT12 engines that were installed on all the first Jetstars.
Garrett TFE731 turbofans were installed on later airplanes.
A total of 204 Jetstars were built by Lockheed in several models.
Military versions flew four U.S. Presidents, carrying the Air Force One designation while they were aboard (some jokingly called it Air Force One Half.)
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