Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Analysis of fuel distribution in a Marmon pipe, leading to the starving of specific cylinders.

Identifier  ExFiles\Box 32\5\  Scan210
Date  15th March 1923 guessed
  
contd: -3-

but the supply of fuel is proportional to the square root of the average suction and with incomplete evaporation of the fuel this will give a marked non-coincidence of the air and petrol supply graphs.

The air flow will follow closely the curves of the pipe but owing to inertia the heavy fuel drops will not. The tendency will be for the petrol drops to travel along the two extreme arms of the Marmon pipe (see sketch 2.) and be thrown into cylinders 6 and 1 and cylinders 4 and 3 will be starved.

hs{Lord Ernest Hives - Chair}/A.C.L.
  
  


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