| 词条 | Spencer-Stirling biplane | ||||||||||||||||||
| 释义 |
The Spencer-Stirling biplane was a 1910s British pusher configuration biplane designed and built by Herbert Spencer. It was sometimes referred to as a Spencer-Farman in reference to the design similarity to Henry Farman's designs.{{efn|Farman wrote a letter in Flight on 28 October 1911 disclaiming this and other aircraft as products of the Farman company}} Mainly based at Brooklands Aerodrome it was also flown around the country by Spencer on demonstration and training flights.[1][2] Initially powered by an RH 4-cylinder in-line engine rated at {{convert|40|-|70|hp|abbr=on}}, the Spencer-Stirling biplane was re-engined in July 1911 with a {{convert|50|hp|abbr=on}} Gnome Gamma rotary engine.[2][2] On 29 August 1911 Spencer obtained his Aviator's Certificate at Brooklands flying the biplane he built.[3][2] Operational historyAfter initial straight hops, the Spencer-Stirling was successfully tested by Henri Pecquet in June 1911 shortly before the Gnome engine was fitted. After passing his aviators certificate, Spencer used the Spencer-Stirling for competition and demonstration flights until the aircraft was crashed on 25 February 1912.[4] References1. ^{{cite magazine|magazine=Flight|URL=https://www.flightglobal.com/pdfarchive/view/1912/1912%20-%200760.html|accessdate=27 February 2017|date=17 August 1912|title=Mr. Spencer in Dorset|page=760}} 2. ^{{cite magazine|magazine=Flight|date=5 August 1911|title=From the British Flying Grounds - Brooklands Aerodrome|quote=Henri Pequet was up on Mr. Spencer's biplane, which has Just been fitted with a new Gnome engine, making a good ten minutes' flight at 1,500 ft., after which he took up Mr. Spencer as passenger.|page=681}} 3. ^{{cite magazine|magazine=Flight|url=http://www.flightglobal.com/pdfarchive/view/1911/1911%20-%200754.html|date=2 September 1911|title=Aviator's Certificates|accessdate=27 February 2017|page=754}} 4. ^1 2 3 {{cite book|last1=Goodall|first1=Michael H.|last2=Tagg|first2=Albert E.|title=British aircraft before the great war |date=2001|publisher=Schiffer Pub.|location=Atglen|isbn=9780764312076|page=306}} Further reading
Notes{{notelist}} 3 : British experimental aircraft 1910–1919|Rotary-engined aircraft|Biplanes |
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