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. (Aeronautical Eng. Supp.) (See also Flight, vol. 21, no. 39, Sept. 27, 1929, pp. 67-69, 3 figs.)
The development of sparking plugs for aircraft engines
Aeroplane
Aeroplane ; 37 , n 9
1929
4 Figs.
Article (Journal)
English
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The development of sparking plugs for aircraft engines
Engineering Index Backfile | 1929
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