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Requesting the recalibration of a speedometer for a Bentley Car 3.B.50 due to a change in the rear axle ratio.


Identifier  ExFiles\Box 165\2\  img192
Date  9th May 1939
  
6065

To D {John DeLooze - Company Secretary} /S?. from HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel}

Rm {William Robotham - Chief Engineer} /RC. {R. Childs}

HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 18/Bl.9.5.39.

0/52440.

Bentley Car 3.B.50.

We hand you herewith :-

1 Speedometer removed from the above chassis.

This has been calibrated for 9 x 37 rear axle, the axle on this car has now been changed to 11 x 41 ratio, will you, therefore, please arrange to have this instrument re-calibrated to suit this revised ratio i.e. from its present value of 700/revs/mile to 640 revs/mile, at the same time the makers should be aksed to give attention to the hodometer portion of the instrument as this appears to be very incorrect.

HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel}
  
  
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).


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