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From: Miloch <Miloch_member@newsguy.com>
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Subject: Vickers Type 170 Vanguard
Date: 19 Nov 2017 07:39:26 -0800
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https://en.wikipedia.org/wiki/Vickers_Type_170_Vanguard
The Vickers Vanguard was a 1920s British airliner developed by Vickers Limited
from the Victoria.
Developed from the earlier Victoria with the introduction of a wider fuselage,
the Vanguard was a 22-passenger twin-engined biplane. Originally built for the
Air Ministry as the Type 62 the aircraft powered by two 450 hp Napier Lion
engines first flew on 18 July 1923. It was re-engined in 1925 with two 650 hp
Rolls-Royce Condor IIIs and re-designated the Type 103. When it was handed over
to Imperial Airways in 1925 it was described as the World's largest passenger
aeroplane.
The aircraft was re-conditioned in 1928 and re-designated the Type 170 for use
by Imperial Airways for route proving trials, starting in May 1928. Ii operated
Brussels-Cologne service. It set a world load carrying record on 6 July 1928.
The aircraft was withdrawn from its airline duties in October 1928 for
modifications, probably to the tail, but crashed at Shepperton, Middlesex on 16
May 1929 at the start of flying trials, killing the pilot Tiny Scholefield and
the flight observer Frank Sharrett.
Role
Biplane airliner
National origin
United Kingdom
Manufacturer
Vickers Limited
First flight
1923
Retired
1929
Status
Destroyed
Primary user
Imperial Airways
Number built
1
Developed from
Vickers Victoria
Variants
Type 62 Prototype with two 450hp Napier Lion engines, one built.
Type 103 Type 62 re-engined with two Condor III engines.
Type 170 Type 103 re-conditioned for Imperial Airways.
Specifications (Type 170)
General characteristics
Crew: 2
Capacity: 22 passengers
Length: 53 ft 10 in (16.41 m)
Wingspan: 87 ft 9 in (26.75 m)
Height: 17 ft 3 in (5.26 m)
Wing area: 2,182 ft2 (202.7 m2)
Empty weight: 12,040 lb (5,461 kg)
Gross weight: 18,500 lb (8,391 kg)
Performance
Maximum speed: 112 mph (180 km/h)
Service ceiling: (service) 16,400 ft (5,000 m)
Rate of climb: (to 5,000 ft (1,525 m)) 476 ft/min (2.4 m/s)
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