Marshall Drew and Co: Difference between revisions
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WWII [[Sir George Godfrey and Partners]] made/supplied Marshall superchargers for aviation use. | WWII [[Sir George Godfrey and Partners]] made/supplied Marshall superchargers for aviation use. | ||
1941 The Marshall supercharger was the most widely used of the commercial Roots-type superchargers, according to Motorsport Magazine<ref>[https://www.motorsportmagazine.com/archive/article/march-1941/17/blown-motors]</ref> | |||
Post WWII War-surplus units were repurposed by [[L. M. Ballamy|L. M. Ballamy, Consulting and Experimental Engineers]], later [[North Downs Engineering Co]]. | Post WWII War-surplus units were repurposed by [[L. M. Ballamy|L. M. Ballamy, Consulting and Experimental Engineers]], later [[North Downs Engineering Co]]. |
Revision as of 08:22, 27 July 2021

of 140 Clarendon Road, London W11
1933 John Wilmott Marshall gained a patent in improvements in supercharges based on the Roots blower.
1935 Precision engineers[1]
1936 Fitted Marshall superchargers to MG sportcars[2] based on the Roots Blower scheme.
WWII Sir George Godfrey and Partners made/supplied Marshall superchargers for aviation use.
1941 The Marshall supercharger was the most widely used of the commercial Roots-type superchargers, according to Motorsport Magazine[3]
Post WWII War-surplus units were repurposed by L. M. Ballamy, Consulting and Experimental Engineers, later North Downs Engineering Co.