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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).
Unsatisfactory friction arrangement on the EAC.VII servo linkage due to an underperforming spring.

Identifier  ExFiles\Box 16\3\  Scan010
Date  24th February 1927
  
To DA.{Bernard Day - Chassis Design} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X7370. Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}3/LG24.2.27.

RE, FRICTION ON EAC.VII SERVO LINKAGE.

The friction arrangement for the swinging link on EAC.VII is unsatisfactory. We give below a report from GWH.{George W. Hancock - Head Chateauroux} We should be obliged if you would look into this matter.

"The spring G.75326 does not give the required load. We get a max. load of 16 lbs. and we require 25 lbs. We have taken this matter up with the D.O. but they say it is a question of design. At the present time we have packed the spring up on 14-EX to overcome front brake thumps but this will have to be changed before the car is finished off".
GWH.{George W. Hancock - Head Chateauroux}

Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}
  
  


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