| 词条 | Alliance P.2 Seabird | |||||||||||||||
| 释义 |
The Alliance P.2 Seabird was a British single-engined long-range biplane designed by J.A. Peters to enter the Daily Mail £10,000 Atlantic Flight Prize. In the end it did not compete but became the first aircraft to fly from London (Acton) to Madrid non-stop on 31 July 1919.[1] Design and developmentThe Alliance Aeroplane Company which had constructed aircraft under licence during the First World War decided to build aircraft for the civil market. The Seabird was a long-range two-seat biplane powered by a {{convert|450|hp|kW|0|abbr=on}} Napier Lion piston engine.[1] With an endurance of 21 hours it had an enclosed cabin for the crew of two and two aircraft were built.[1] Operational historyOn 17 April 1919 Peters the designer paid the £100 entrance fee to the Royal Aero Club as entry fee for the Alliance biplane into the competition for the Daily Mail £10,000 Atlantic Flight Prize. Flown by Peters with Captain W.R. Curtis of the Royal Air Force the first Seabird (registration G-EAGL) carried out a trial flight on 31 July 1919 when it made the first direct non-stop flight between London and Madrid, 900 miles in just under eight hours.[5] The aircraft did not in the end compete in the Atlantic competition. The second aircraft G-EAOX was entered into an Australian Government prize of £10,000 for a flight from Great Britain to Australia.[1][7] Flown by two Australian airmen, Lieutenant Roger Douglas (pilot) and Lieutenant J.S.L. Ross (Navigator), G-EAOX left Hounslow Heath Aerodrome on 13 November 1919 but a few minutes into the flight the Seabird crashed near Surbiton killing both airmen.[7] The company never recovered from the accident and was closed down in 1920. Specifications{{aerospecs|ref=[1]British Civil Aircraft since 1919 Volume 1 |met or eng?=eng |genhide= |crew=2 |capacity= |length m=10.21 |length ft=33 |length in=6 |span m=16.16 |span ft=53 |span in=0 |height m= |height ft= |height in= |wing area sqm=65.1 |wing area sqft=700[1] |empty weight kg=1179 |empty weight lb=2600 |gross weight kg=3357 |gross weight lb=7400 |eng1 number=1 |eng1 type=Napier Lion piston engine |eng1 kw=336 |eng1 hp=450 |perfhide= |max speed kmh=225 |max speed mph=140 |range km=4828 |range miles=3000[11] |endurance h=21 |endurance min=0 |ceiling m= |ceiling ft= |climb rate ms= |climb rate ftmin= }}{{aircontent |see also= |related= |similar aircraft= |sequence= |lists= }} ReferencesNotes1. ^Flight 15 May 1919, p. 636. [2][3][4][5]2. ^1 {{Cite newspaper The Times|articlename=New Arrivals For The Atlantic Flight - The Alliance Entry|author=|section=News|day_of_week=Saturday|date=10 May 1919|page_number=11|page_numbers=|issue=42096|column=C}} 3. ^1 {{Cite newspaper The Times|articlename=D. Napier & Son, Ltd.|author=|section=Display Advertising|day_of_week=Saturday|date=20 September 1919|page_number=5|page_numbers=|issue=42210|column=F}} 4. ^1 2 {{Cite newspaper The Times|articlename=Two Airmen Killed. Crash Just After Start For Australia.|author=|section=News|day_of_week=Friday|date=14 November 1919|page_number=9|page_numbers=|issue=42257|column=B}} 5. ^1 2 3 4 5 Jackson 1973, p. 283 }} Bibliography{{refbegin}}
5 : British civil utility aircraft 1910–1919|Single-engined tractor aircraft|Biplanes|Aircraft first flown in 1919|Aviation accidents and incidents in England |
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