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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).
The running and performance of the 14 EX engine at Le-Canadel.

Identifier  ExFiles\Box 72\2\  scan0257
Date  8th January 1928
  
48982

WOR{Arthur Wormald - General Works Manager} HS{Lord Ernest Hives - Chair}
Hs.{Lord Ernest Hives - Chair} Thanks. very good report. ///
11/1/28

WOR{Arthur Wormald - General Works Manager} 11 JAN 1928 RECEIVED

Expl Deptt:

Mr. Hives from Dodd.

Restaurant-Octobon.,
Le-Canadel.
Par-Le-Lavandou.
(Var)
France.

8th.Jan.1928

Report on the running of 14-EX.at Le-Canadel.

Mileage.-- - 1,900.

Engine.
This engine is very good for power, especially on full throttle slow speed work. We have not yet had the car all-out on the level, so cannot give any idea of max speed. Engine can be nursed to give a very good performance without detonations being excessive.
If a Benzol mixture were used these detonations would not be worth mention.
No piston knocks are audible, and engine vibrations are damped quite out. We cannot test above 60.65.mph, and then only on a very short stretch of road.
Road conditions are terrible, and nearly all our running

con't
  
  


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