(Bristol) 175 Britannia - CL-44 @·AIRCRAFTUBE

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    Bristol 175 Britannia
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    Britannia
  • Bristol 175 Britannia Bristol 175 Britannia
    Bristol 175 Britannia
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    Britannia
  • Britannia Britannia
    Britannia
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    Bristol 175 Britannia
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    Bristol 253 Britannia C.1
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    Britannia
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    Britannia_312
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    Bristol 175 Britannia
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    Bristol 175 Britannia
  • Canadair CC-106 Canadair CC-106
    Canadair CC-106
  • CL-44D4-2 - 1980 CL-44D4-2 - 1980
    CL-44D4-2 - 1980
  • CL-44 CL-44
    CL-44
  • Bristol 175 Britannia 312 - 1971 Bristol 175 Britannia 312 - 1971
    Bristol 175 Britannia 312 - 1971
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    Model 312
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  • Model 253 - 1964 Model 253 - 1964
    Model 253 - 1964
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    Model 312 - 1959
  • Bristol Britannia 314 - 1966 Bristol Britannia 314 - 1966
    Bristol Britannia 314 - 1966
  • Britannia 100 - Prototype - Farnborough 1953 Britannia 100 - Prototype - Farnborough 1953
    Britannia 100 - Prototype - Farnborough 1953
  • Britannia 102 - 1965 Britannia 102 - 1965
    Britannia 102 - 1965
  • Bristol 175 Britannia Bristol 175 Britannia
    Bristol 175 Britannia

Bristol Britannia - Canadair CL-44

In 1947, BOAC issued a requirement on a medium range transport. Bristol responded to this with an aircraft that would be powered by four Bristol Centaurus reciprocating engines. Three prototypes were ordered the next year, two of them being convertible to turboprops. The later had indeed so many advantages that piston engines were soon forgotten.

The Proteus turboprop initially showed bad response to icing conditions and the many flameouts it encountered seriously restricted its commercial success. Moreover, the "Whispering Giant" came in a time were the first jet liners brought unbeatable performances, specially for the medium and long haul sectors. It is only 5 years after the first flight of August 1952 that the first commercial flight was operated by BOAC on the South African and Australian routes.

A total of 85 Model 175 Britannia were built, of which 17 Srs.100 (all for BOAC), 23 Srs.250 with stretched fuselage used by the RAF for mixed passenger - freight operations, the rest being the Srs.300 series with increased performances and range that were sold to companies like Canadian Pacific and Cubana.

Canada built 39 Britannia under licence as the Canadair CL-44, together with a maritime reconnaissance version, the CL-28 Argus, equipped with Wright R-3350 radials.

The first CL-44 made its maiden flight on the 15th of November 1959 equipped with Rolls-Royce Tyne turboprops. This aircraft was later delivered together with 11 others to the RCAF under the CC-106 Yukon designation (CL-44D). The Yukon had side cargo doors and the first deliveries started in July 1960.

The CL-44D-4 introduced by the end of 1960 the "Swing Tail" feature, allowing the loading of long objects by rotation of the whole tail area. First customers of this version were the Flying Tigers, Loftleidir and Slick Airways.

A maximum capacity of 214 passengers was reached with the stretched CL-44J (Canadair 400 - only one built). It was flown by Loftleidir of Iceland that bought the last aircraft in 1965.

Most of all CL-44 and Britannia finished their careers on the second hand market where they showed good adaptation to low cost freight transportation over long distances.

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Specifications (Britannia Srs.300)

  • Crew: 4.
  • Passengers: Max. 139.
  • Length: 124 ft 2 in (or 37.85 m).
  • Height: 37 ft 5 in (or 11.4 m).
  • Wing span: 142 ft 3 in (or 43.36 m).
  • Wing area: 2,074 sq ft (or 192.67 m²).
  • Max take-off weight: 185,000 lbs (or 83,916 kg).
  • Dry Operating weight: 93,100 lbs (or 42,229 kg).
  • Cruising Speed: 357 mph (or 310 kts or 575 km/h).
  • Max Speed: 405 mph (or 352 kts or 652 km/h).
  • Max range: 4,131 mi (or 3,590 nm or 6,648 km).
  • Engines: Four Proteus 755 or 761 (Srs.300/310).
  • Power: 4,120 shp (or 3,074 kW) each.

Specifications (CL-44D-4)

  • Crew: 3.
  • Passengers: 178.
  • Length: 136 ft 10 in (or 41.71 m).
  • Height: 36 ft 8 in (or 11.18 m).
  • Wing span: 142 ft 3 in (or 43.36 m).
  • Wing area: 2,074 sq ft (or 192.67 m²).
  • Max take-off weight: 210,000 lbs (or 95,250 kg).
  • Dry Operating weight: 88,946 lbs (or 40,345 kg).
  • Cruising Speed: 386 mph (or 335 kts or 621 km/h).
  • Max Speed: 400 mph (or 348 kts or 644 km/h).
  • Service ceiling: 30,000 ft (or 9,144 m).
  • Max range: 5,586 mi (or 4,854 nm or 8,990 km).
  • Engines: Four Rolls Royce Tyne 515/50.
  • Power: 5,724 shp (or 4,270 kW) per engine.

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This text stays momentarily aircraftube.com©´s property, before its full or partial integration to Wikipedia.
Bristol 175 Britannia & Canadair CL-44 : Your comments on this subject
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