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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).
List of designs for the revised braking system on the Spectre model.

Identifier  ExFiles\Box 92\4\  scan0073
Date  6th March 1935
  
SECRET
7306
GRY{Shadwell Grylls}
By/Cgh.{W Clough}
c. RHC{R. H. Coverley - Production Engineer}: Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
6.3.35.
E/Lid.{A. J. Lidsey}3/HP.6.3.35.

SpectreCodename for Phantom III - Revised Braking System.

We give herewith a list of the designs dealing with the revised RR. brakes with Bentley adjustment arranged to suit the semi-servo system. This full scheme is required for the third car and should therefore receive preference over the full Girling scheme. This type of brake will also be required for the conventional front end SpectreCodename for Phantom III.

N. Sch.4360. Rear brakes.
N. Sch.4361. Front brakes.
N. Sch.4365. Rear brake equaliser.
N. Sch.4366. Rear brake operating mechanism.
N. Sch.4377. Cross steering lever.
N. Sch.4380. Front brake linkage.
N. Sch.4386. Front brake intermediate lever.
N. Sch.4389. Rolled steel rear brake shoes.
N. Sch.4392. " " front " "
N. Sch.4399. Strengthened front brake differential lever.
N. Sch.4402. Stiffened idler lever - front brakes.

E/Lid.{A. J. Lidsey}
  
  


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