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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).
Report from John Marston Limited on a visit from Mr. Steadman to test and compare radiator cores.

Identifier  ExFiles\Box 149a\2\  scan0245
Date  30th September 1935
  
JOHN MARSTON LIMITED,
WOLVERHAMPTON.

X1280

30th September, 1935.

REPORT ON VISIT OF MR. STEADMAN OF
ROLLS ROYCE LTD. ON 26/9/35.

Mr. Steadman visited our Works with the object of carrying our tests on our Radiator Test Plant to compare the performance of our experimental Mark VI Radiator Core with a similar American Harrison Matrix.

He completed the tests and from a preliminary examination of these it appears that the Mark VI is not quite so efficient as the American Matrix.

It was agreed that :

1. We should examine an American matrix which Rolls Royce propose forwarding to us.

2. To improve our Mark VI to the standard of the American matrix.
(Note. There is a slight difference in the two matrices which can be rectified upon examination under Note 1).

3. To give Rolls Royce a curve of heat dissipation against air speed within the range available in our plant with an 84 mm. Mark VI test block, 2 square feet frontal area, and also with a 52 mm. matrix of the same frontal area.

4. All sample and test matrices must be tinned with .006" waterways and .004" air ways.

H.{Arthur M. Hanbury - Head Complaints} S.

HS{Lord Ernest Hives - Chair}/AMG.
  
  


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