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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).
Positive results from wind tunnel tests on a streamlined Bentley car.

Identifier  ExFiles\Box 155\1\  scan0125
Date  7th November 1933
  
To HS.{Lord Ernest Hives - Chair} From HS.{Lord Ernest Hives - Chair}
c. to Her.
c. to C.
c. to P.
c. to Ds.
c. to EV.{Ivan Evernden - coachwork}
c. to Rn.{Mr Robinson}

STREAMLINED BENTLEY CAR.

We think the results obtained on the Streamlined Bentley justify the wind tunnel tests and show that the results obtained are reliable.

Ev.{Ivan Evernden - coachwork} in his memo EV.{Ivan Evernden - coachwork}V/KT.3.8.33 made the following statement -

"By the proportionate comparison of data and facts, knowing that the standard saloon, with 94.5 HP. at the road wheels, at 4150 R.P.M., will lap at 88.5 M.P.H. and show a genuine 94 M.P.H. on the road, we can expect this small and revised bodied car to lap at 96 M.P.H. and show a genuine 103 M.P.H. on the road."

We have exactly reproduced the results anticipated.

Hs.{Lord Ernest Hives - Chair}
  
  


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