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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).
Challenges and results of hill climb performance tests conducted in France.

Identifier  ExFiles\Box 24\4\  Scan210
Date  27th August 1924 guessed
  
pipes I brought out for this job are much larger in dia than those fitted to the car. I am not aware whether these pipes have be enlarged on later models. (Geo hawks) Re your remarks keeping temp same. - I gave you the reason and I am quite aware of keeping the tests alike as possible, but I had his wife in the car, and they do not understand testing, and I did not like keeping them waiting, after once getting the temp.
The Reports I am sending to you of the 40-50 are fairly even. The temp. started at, is the average temp that we have arrived at at the foot of the hill. If I was to get higher temp before starting and boiled, from our view I dont think the curve would be as useful.
This hill is about one hour away from here and is in France, so that considerable time is lost at the Frontier. Yesterday morning we were 1 hour at it french customs, consequently only two tests were taken in the morning, they must come back here for dinner, so time was lost again in the afternoon. Otherwise the driving is good and they have driven up the hill very even as the tests show.
Monday morning I lost time through an American coming in with his car rear brakes squeaking. (American RR.) I showed him how to cure them and this was done. He was a God send to me as he spoke French fluently and I have been able to let them know more what I wanted to do. The next car I am getting is a
  
  


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