Design of Lodge Aero A-40, A-30, and A-20 spark plugs is discussed; early design of mica-insulated spark plug; used for high-compression engines. Model A-30 has patented heat-conducting copper sleeve between mica and steelalloy center pin; making plug for Rolls-Royce F type engine that will withstand great heat; A-20 used for engines of medium compression. (See also Aeroplane, vol. 37, no. 9, Aug. 28, 1929 (Aeronautical Eng. Supp.), p. 565, 4 figs.)
The development of sparking plugs for aircraft engines
Flight
Flight ; 21 , n 39
1929
3 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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The development of sparking plugs for aircraft engines
Engineering Index Backfile | 1929
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