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The Type 175 Britannia, the world's first large turboprop transport aircraft, began as a piston-engined design to meet BOAC's 1947 specification for the MRE (Medium Range Empire) transport to carry 32-36 passengers and be powered by four Bristol Centaurus 662 sleeve-valve engines. The aircraft's size was soon increased and consideration given to the installation of Bristol Proteus turbines or Napier Nomad compound engines.
After some delay, in June 1948 the Ministry of Supply ordered three Centaurus-powered prototypes but stipulated that the second and third should be capable of conversion to Proteus-engined aircraft.
When the first prototype emerged in 1952 it was a much bigger aeroplane with accommodation for more than 80 passengers and powered by Proteus 625 engines. First flight was on 16 August 1952. Development trials were prolonged, partly because of engine icing problems, but on 1 February 1957 BOAC began operating Britannia 102 with 2,906kW Proteus 705 and up to 90 seats on its London-Johannesburg services.
A number of versions were developed from the Series 100 aircraft and on 19 December 1957, BOAC began the first turbine-powered North Atlantic service when it put Britannia 312 on the London-New York route. These were 3.12m longer, had accommodation for up to 139 passengers, were powered by 3,070kW Proteus 755 and had a 13,608kg increase in max weight. On the day that BOAC introduced Britannias on the North Atlantic, El Al flew a Britannia 10,328km non-stop from New York to Tel Aviv.
The Britannia was a superb aeroplane but was too late to establish itself before the introduction of turbojet transports; only 85 were built, including 23 Series 250 aircraft for the RAF.
Canadair developed the Britannia design into the military CL-28 Argus and CL-44 Yukon and the CL-44 series of passenger and cargo aircraft.
 | A three-view drawing (800 x 763) |
| CREW | 3-9 |
| PASSENGERS | 84-139 |
| ENGINE | 4 x turbo-prop Brist. "Proteus 765", 3270kW |
| WEIGHTS |
| Take-off weight | 83915 kg | 185002 lb |
| Empty weight | 42230 kg | 93102 lb |
| DIMENSIONS |
| Wingspan | 43.4 m | 142 ft 5 in |
| Length | 37.9 m | 124 ft 4 in |
| Height | 11.4 m | 37 ft 5 in |
| Wing area | 192.7 m2 | 2074.20 sq ft |
| PERFORMANCE |
| Cruise speed | 652 km/h | 405 mph |
| Ceiling | 9700 m | 31800 ft |
| Range w/max.fuel | 8600 km | 5344 miles |
| Range w/max.payload | 6870 km | 4269 miles |
| johnsankey@live.co.uk, johnsankey=live.co.uk, 13.08.2010 Ex RAF Loadmaster - 5000hrs on 252 and 253 series. Many round the world trips. A good aircraft to work with. Unservoceable stops included!!!!! Queen of the skies. | | Christine Keith, ronald.keith=sky.com, 15.07.2010 I think I flew on this aircraft when I emigrated to Australia in 1966 travelling alone. June I think. Not very pleasant memories. We struggled to land in Abadan, Persia (then) due to a prop failure. Stuck there for 2 days while they flew parts out from Heathrow. Pilot then had a heart attack just before takeoff possibly due to the stress of landing the plane we were told. Eventually we resumed our journey via Colombo, Singapore, Darwin and finally Melbourne. I had an onward flight to Adelaide arriving 3 days late. | | andy gillham, gilham=paob.freeserve.co.uk, 01.04.2010 Another Changi to Brize experience. Flew out in a "10" and back in the Brit. 34 hours and four legs of 7/7.5 hours with 90 minutes turnarounds in Gan, Muharraq, and Akrotiri. I thought I was never going to get there. Wonderful sight and sound but boy, was I ever pleased to see Oxfordshire at last | | andy gillham, gilham=paob.freeserve.co.uk, 01.04.2010 Another Changi to Brize experience. Flew out in a "10" and back in the Brit. 34 hours and four legs of 7/7.5 hours with 90 minutes turnarounds in Gan, Muharraq, and Akrotiri. I thought I was never going to get there. Wonderful sight and sound but boy, was I ever pleased to see Oxfordshire at last | | John Hancocks, woolfie=westnet.com.au, 07.03.2010 From a passenger's perspective I rate this as one of the least comfortable aircraft I've ever flown in. Vibration - this was incessant and pervasive, an engineering friend tells me that this must have been due to the prop. tips being allowed to over speed, if so it totally negated the benefits conferred by the turboprops. Carrier - BOAC, journey - Accra/Heathrow. | | Wouter Hobe, wouterhb=gmail.com, 25.09.2009 The "Whispering Giant" was so quiet, flew from Sydney via Nadi, Honlulu, Vancouver, Toronto, Montreal to Amsterdam for Canadian Pacific Airlnes. The base engeneer in Montreal arranged sails over the wing to save on glycol in the winter. The plane had trouble starting, till the engeneer kicked the electrical panel and then the engines performed beautifully. | | Ol Rappaport, redesau=gmail.com, 18.08.2009 I flew in one of these as an eleven year old from Bahrain to Heathrow, I travelled alone. We stopped at Beirut (then in crisis and crawling with MIGs) and Rome (I think) It took over thirty hours. | | John Mathews, john.mathews=hotmail.co.uk, 16.12.2008 I well remember, as a child in north London, seeing this beautiful aircraft in BOAC colours, crossing from Brookmans Park, overflying the North Circular Road on it's way into Heathrow. We'd run into the garden just to see it! Oh, happy days! Now, large aircraft are like cars - they all look alike!
Does anyone have, please...schedules of the BOAC Britannia 102 services to Australia...enroute stops, timings etc? Thanks in advance. John Mathews | | Augusto Daroca-Cheesman, adarech=yahoo.ca, 14.12.2008 The first version of the Britannia had Bristol Centaurus engines. Does anybody know what happened to these piston aircrafts? | | des, smurlit=yahoo.co.uk, 26.10.2008 My father was in the RAF. I know the flight to Singapore took 3 days in the mid-sixties - but can't remember where we stopped off - any ideas? | | Chris McBurney, chris.mcburney1=ntlworld.com, 02.09.2008 I flew as a passenger in "The Whispering Giant" three times between 1963 and 1966, in her British Eagle livery, to and from R.A.F Akrotiri, Cyprus and to Paya Lebar, Singapore. She was a great passenger aircraft. | | Marie Gemmell, cng.gemmell=gmail.com, 18.07.2008 I flew on this aircraft with BOAC to Australia, in 1958 with my mother and two sisters and baby brother. We were to join my father, an RAF officer, on his posting at RAAF Edinburgh Fields, near Adelaide. My mother, now aged 88yrs, remembers taking 16 (!)pieces of luggage. Due to my young siblings we were the first to disembark at each stop, in the care of one of the air hostesses. We were usually whisked to a baby facility with a nurse or Amah to help my mother and had our meals in, what seemed to me, luxurious airport restaurants. Our trip was supposed to last approx two days, but because of an engine fault after taking off from Beirut, we had to return and spent two or three days in a hotel there waiting for a spare part to be flown out. My baby brother then developed prickly heat which was misdiagnosed at Singapore as measles, and the pilot refused to take him any further. We stayed in at RAF Changi for two weeks(!) before being rescued by Quantas to make our onward journey. But no air journey for me has since has ever matched the simple luxury of the flight and the in-flight and air-side passenger facilities (OK no films!). | | keith johns, keefjhns=yahoo.co.uk, 14.05.2008 This was a definate improvement on the "Brab", nowhere near as noisy & the house did'nt suffer as much!! In later years I joined the RAF, & flew many miles in the Britannia, also working on them in Trasport command. | | John Mannion, johnmannion=orroroo.com, 08.05.2008 Att Mark Jones Could you contact me at johnmannion@ozemail.com.au re flight to Australia as migrant in 1960s please? | | Mark Jones, jjone2=bigpond.net.au, 18.08.2007 I flew on this aircraft 40 years ago with my family when we emigrated to Australia. It was a British Eagle chartered by Qantas. I still have the ticket and booklet. We flew from Heathrow to Kuwait, Kuwait to Colombo (in what was still called Ceylon), Colombo to Singapore, Singapore to Darwin and finally Darwin to Melbourne. Each stop was for an hour only (for refuelling) and took two and a half days. I remember we flew at 17,500ft. most of the way averaging about 385mph! | | Clive Bishop, bishopch=hotmail.com, 17.02.2007 While serving in the Royal Navy,I was lucky enough to fly on an RAF Brit from England to Malta.It was quiet and comfortable and on a journey this far,it did not take much longer than a jet.With the lastest views on global warming could this be the way to go to save the planet? | | Sidney Woodcock, swoodcoc=nycap.rr.com, 04.12.2006 I flew on this aircraft to and from London to Singapore in the mid 1960's. A beautiful aircraft but, of course, slow compared with modern jet aircraft. This aircraft was known as "The Whispering Giant" because it was large and very quiet compared to other aircraft. |
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