Armstrong Whitworth Argosy
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Armstrong Whitworth Argosy
Les versions de l'Argosy sur Wikipedia en anglais
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The Armstrong Whitworth Argosy was a British post-war military [Vous devez être inscrit et connecté pour voir ce lien]/[Vous devez être inscrit et connecté pour voir ce lien] and was the last aircraft produced by [Vous devez être inscrit et connecté pour voir ce lien].
Although given different type numbers, the AW.650 civil and AW.660 military models were both called "Argosy" and for practical purposes are basically the same design.
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The Armstrong Whitworth Argosy was a British post-war military [Vous devez être inscrit et connecté pour voir ce lien]/[Vous devez être inscrit et connecté pour voir ce lien] and was the last aircraft produced by [Vous devez être inscrit et connecté pour voir ce lien].
Although given different type numbers, the AW.650 civil and AW.660 military models were both called "Argosy" and for practical purposes are basically the same design.
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Development and design
The Argosy came from the [Vous devez être inscrit et connecté pour voir ce lien] "[Vous devez être inscrit et connecté pour voir ce lien] 323" (OR323) which resulted in a specification issued in 1955 for a medium-range freight aircraft capable of lifting 25,000 [Vous devez être inscrit et connecté pour voir ce lien] (11,340 kg) and that had a range of 2,000 [Vous devez être inscrit et connecté pour voir ce lien]
(3,200 [Vous devez être inscrit et connecté pour voir ce lien]) with 10,000 lb (4,500 kg).
This led AW to develop a twin-engine design for the military, the AW.66.
The Argosy came from the [Vous devez être inscrit et connecté pour voir ce lien] "[Vous devez être inscrit et connecté pour voir ce lien] 323" (OR323) which resulted in a specification issued in 1955 for a medium-range freight aircraft capable of lifting 25,000 [Vous devez être inscrit et connecté pour voir ce lien] (11,340 kg) and that had a range of 2,000 [Vous devez être inscrit et connecté pour voir ce lien]
(3,200 [Vous devez être inscrit et connecté pour voir ce lien]) with 10,000 lb (4,500 kg).
This led AW to develop a twin-engine design for the military, the AW.66.
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The potential for civil sales led to a civil design AW.65, which differed by having full section doors at each end of the fuselage to allow quick loading and unloading.
A lack of funds lead abandonment of the military requirement, but Armstrong Whitworth had already decided to
go ahead with the civil variant as a private venture, it being redesigned with four [Vous devez être inscrit et connecté pour voir ce lien] as the AW.650.
A lack of funds lead abandonment of the military requirement, but Armstrong Whitworth had already decided to
go ahead with the civil variant as a private venture, it being redesigned with four [Vous devez être inscrit et connecté pour voir ce lien] as the AW.650.
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The AW.650 was a high-wing four-engined general-purpose transport aircraft, powered by four Rolls-Royce Dart [Vous devez être inscrit et connecté pour voir ce lien] engines driving [Vous devez être inscrit et connecté pour voir ce lien] four-blade [Vous devez être inscrit et connecté pour voir ce lien].
The [Vous devez être inscrit et connecté pour voir ce lien] was on twin booms from the inner engine nacelles leaving the cargo doors at the rear of the fuselage clear for straight-in loading, while sideways-opening doors were fitted at both ends of the fuselage, with the flight deck high up in the nose.
The [Vous devez être inscrit et connecté pour voir ce lien] was on twin booms from the inner engine nacelles leaving the cargo doors at the rear of the fuselage clear for straight-in loading, while sideways-opening doors were fitted at both ends of the fuselage, with the flight deck high up in the nose.
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The fifth Armstrong Whitworth Argosy loads up at the SBAC Show, Farnborough 12 September 1959.
This aircraft had first flown on 20 July 1959 and was sold to Riddle Airlines in the USA on 22 June 1961
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This aircraft had first flown on 20 July 1959 and was sold to Riddle Airlines in the USA on 22 June 1961
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This gave an unobstructed cargo space measuring 47 foot long × 10 foot wide (14.3 x 3.0 m) with a sill height corresponding to that of a normal flat bed truck.
This unusual "pod and boom" structure would earn it the nickname "The Whistling Wheelbarrow".
This unusual "pod and boom" structure would earn it the nickname "The Whistling Wheelbarrow".
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It had a maximum weight of 88,000 lb (39,915 kg) and a payload of 28,000 lb (12,700 kg). Cruising at 276 mph
(444 km/h), it had a range of 1,780 mi (2,865 km) and could seat 89 passengers.
The first Argosy made its maiden flight on 8 January 1959, receiving [Vous devez être inscrit et connecté pour voir ce lien] on 2 December 1960.
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10 of the initial civil version, the Series 100, were built.[Vous devez être inscrit et connecté pour voir ce lien]
(444 km/h), it had a range of 1,780 mi (2,865 km) and could seat 89 passengers.
The first Argosy made its maiden flight on 8 January 1959, receiving [Vous devez être inscrit et connecté pour voir ce lien] on 2 December 1960.
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10 of the initial civil version, the Series 100, were built.[Vous devez être inscrit et connecté pour voir ce lien]
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An Armstrong Whitworth Argosy belonging to Air Bridge Carriers parked on the tarmac at the old Liverpool Airport.
The hangar on the left has long since disappeared whilst the building behind has been refurbished.
The Argosy, G-BEOZ, was withdrawn from service in 1987 and is currently on display at the East Midlands Airport Aeropark. For more information see the Wikipedia articles [Vous devez être inscrit et connecté pour voir ce lien] or Liverpool John
Lennon Airport.
Martin Addison
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The hangar on the left has long since disappeared whilst the building behind has been refurbished.
The Argosy, G-BEOZ, was withdrawn from service in 1987 and is currently on display at the East Midlands Airport Aeropark. For more information see the Wikipedia articles [Vous devez être inscrit et connecté pour voir ce lien] or Liverpool John
Lennon Airport.
Martin Addison
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While the RAF had lost interest in the original AW.66, it still needed to replace its obsolete [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], and in 1959 the British [Vous devez être inscrit et connecté pour voir ce lien] drew up a specification for a military derivative of the AW.650 to serve as a medium-range transport, paratroop and supply aircraft.
The resultant design, the AW.660, was significantly different to the AW.650. It had the nose door sealed to take a weather radar [Vous devez être inscrit et connecté pour voir ce lien], the rear doors were changed to 'clam shell' style with an integral loading ramp, a stronger cargo floor was fitted.
The resultant design, the AW.660, was significantly different to the AW.650. It had the nose door sealed to take a weather radar [Vous devez être inscrit et connecté pour voir ce lien], the rear doors were changed to 'clam shell' style with an integral loading ramp, a stronger cargo floor was fitted.
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Two doors were fitted, one each on the starboard and port sides, to enable [Vous devez être inscrit et connecté pour voir ce lien] to exit. The military Argosy had
four [Vous devez être inscrit et connecté pour voir ce lien] turboprops and had twice the range of the civil Series 100.
[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]
The new clamshell doors were tested on the second Argosy Series 100 from July 1960, while the first of the RAFs 56 Argosies flew on 4 March 1961.
four [Vous devez être inscrit et connecté pour voir ce lien] turboprops and had twice the range of the civil Series 100.
[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]
The new clamshell doors were tested on the second Argosy Series 100 from July 1960, while the first of the RAFs 56 Argosies flew on 4 March 1961.
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[Vous devez être inscrit et connecté pour voir ce lien] was interested in the Argosy as a replacement for its piston engined freighters, but the payload capacity of the Series 100 meant that it would not be profitable.
In order to save money, the wing had been based on that of the [Vous devez être inscrit et connecté pour voir ce lien], built by another part of the [Vous devez être inscrit et connecté pour voir ce lien] Group, but to meet BEAs requirements, a new wing was designed, of the same aerodynamic design, but with a more modern "[Vous devez être inscrit et connecté pour voir ce lien]" structure rather than the [Vous devez être inscrit et connecté pour voir ce lien] of the earlier wing.
In order to save money, the wing had been based on that of the [Vous devez être inscrit et connecté pour voir ce lien], built by another part of the [Vous devez être inscrit et connecté pour voir ce lien] Group, but to meet BEAs requirements, a new wing was designed, of the same aerodynamic design, but with a more modern "[Vous devez être inscrit et connecté pour voir ce lien]" structure rather than the [Vous devez être inscrit et connecté pour voir ce lien] of the earlier wing.
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This produced a wing that was both stronger and lighter, while the new wing did not have a limited fatigue life.
The revised version, the Series 200, also had larger cargo doors, integral wing fuel tanks and a modified landing gear.
The first Series 200 flew on 11 March 1964, being followed by six more Series 220s, with more powerful engines.
A final Series 220 was not completed and was scrapped.
The revised version, the Series 200, also had larger cargo doors, integral wing fuel tanks and a modified landing gear.
The first Series 200 flew on 11 March 1964, being followed by six more Series 220s, with more powerful engines.
A final Series 220 was not completed and was scrapped.
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Operational history
Civil use
The Argosy Series 100 entered service with the American cargo airline[Vous devez être inscrit et connecté pour voir ce lien], who planned to use them to meet contracts to provide logistics support to the [Vous devez être inscrit et connecté pour voir ce lien] within the United States, at the end of 1960, Riddle purchasing seven Argosies.
When Riddle lost the logistics contract in 1962, its Argosies were repossessed by Armstrong Whitworth and sold on to other airlines who had taken over the contracts from Riddle.
Civil use
The Argosy Series 100 entered service with the American cargo airline[Vous devez être inscrit et connecté pour voir ce lien], who planned to use them to meet contracts to provide logistics support to the [Vous devez être inscrit et connecté pour voir ce lien] within the United States, at the end of 1960, Riddle purchasing seven Argosies.
When Riddle lost the logistics contract in 1962, its Argosies were repossessed by Armstrong Whitworth and sold on to other airlines who had taken over the contracts from Riddle.
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BEA ordered Armstrong Whitworth's three remaining Series 100s even although they found that there was a frustrating situation when carrying heavier engineering items on the cargo manifest when flying North to South over the Alps to destinations such as Rome and Milan.
This could require actually having to steer around particular mountain peaks because the aircraft could not achieve sufficient height at their all-up weight.
This could require actually having to steer around particular mountain peaks because the aircraft could not achieve sufficient height at their all-up weight.
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Whereas, because the return trip Manifest could include a per centage of ladies shoes, the all-up weight allowed the aircraft to manage an altitude sufficient to clear the mountain range without having to check for skiers.
Five Series 220 were ordered in 1964.
It lost two Series 220s in crashes and purchased another to replace the lost aircraft.
Five Series 220 were ordered in 1964.
It lost two Series 220s in crashes and purchased another to replace the lost aircraft.
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