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In 1911 he married Violet Elsie
Partridge in Wolverhampton. Violet petitioned for divorce in 1926. Bradshaw married again in 1927 to Muriel Mathieson in Kensington, London. He died in 1969 at Hitchin in Hertfordshire.
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which had a single toroidal cylinder, containing four double-ended curved pistons. The pistons reciprocated in pairs, while the cylinder rotated around them, carrying around the spark plug and inlet/exhaust ports.
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172:. A number of aircraft were designed to use the Dragonfly, but the engines were plagued by problems and failed to live up to the promises. The design was taken over by the
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His biggest seller was selling patents for gambling machines, although he lost all the money he made in further business deals. He later concentrated on
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The ABC radial aero-engines designed and built during the First World War were extremely advanced and the government placed large orders for the
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when he was 19, which he later flew. He then started to work on aero-engines and was the co-founder of the All-British Engine
Company (later
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Bradshaw's early work was involved with the early pioneers of flight, which led him to become an expert on stressing. He designed the
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At the end of 1918 it was announced that ABC Motors Ltd had transferred its motor cycle manufacturing and selling rights to
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229:. Bradshaw produced a long list of inventions and designs, although very few achieved commercial success.
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138:(1887–1969) was an English engineer and inventor who designed motorcycle, auto, and aero-engines.
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in 1887 as the son of
William and Annie Bradshaw. His father was a jeweler and optician.
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347:"Bradshaw Oil-Cooled Engines on the Market", The Motor Cycle, 10 November 1921
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to try to resolve the issues, but with the end of the war, it was abandoned.
356:"Olympia - A Review of 1923 models", The Motor Cycle, 30 November 1922
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motorcycle. A single cylinder 348cc version was optional for
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ABC Motors Full Page Advert, Motor Cycle, 26 December 1918
315:"Flight 13 June 1918 Birthday Honours for War Workers"
295:. Wolverhampton History and Heritage. 14 February 1921
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367:"National Archives Petition for Divorce"
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236:by Barry Jones was published in 2008.
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234:Granville Bradshaw: a flawed genius?
227:toroidal internal-combustion engines
457:Engineers from Preston, Lancashire
244:The Bradshaw engine was a type of
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46:Hitchin, Hertfordshire, England
467:20th-century British engineers
462:20th-century British inventors
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174:Royal Aircraft Establishment
73:William & Annie Bradshaw
34:Preston, Lancashire, England
442:English aerospace engineers
394:. Flight Global. 8 May 1969
129:Granville Eastwood Bradshaw
108:Motorcycle and Aero-engines
22:Granville Eastwood Bradshaw
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195:for his war work in 1918.
89:Royal Aeronautical Society
240:The Omega toroidal engine
157:including the engine for
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200:Sopwith Aviation Co Ltd
392:"Flight International"
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371:The National Archives
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165:then Walton Motors).
146:Bradshaw was born in
191:He was appointed an
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204:Panther motorcycles
148:Preston, Lancashire
417:Granville Bradshaw
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79:Engineering career
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396:. Retrieved
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374:. Retrieved
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232:A biography
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85:Institutions
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437:1969 deaths
432:1887 births
222:light car.
178:Farnborough
52:Nationality
426:Categories
273:ABC Motors
212:OK-Supreme
163:ABC Motors
99:ABC Motors
62:Occupation
170:Dragonfly
398:28 March
376:28 March
321:28 March
262:See also
105:Projects
65:Engineer
299:19 July
220:Belsize
142:History
56:British
253:Family
136:AFRAeS
113:Awards
70:Parent
279:Notes
400:2009
378:2009
323:2009
301:2013
43:1969
40:Died
31:1887
28:Born
216:Dot
176:at
132:OBE
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