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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).
Specification sheet for car components including the gearbox, rear axle, and brakes.

Identifier  ExFiles\Box 111\2\  scan0399
Date  3rd November 1938
  
800

To HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. to By.{R.W. Bailey - Chief Engineer}
c. to Da.{Bernard Day - Chassis Design}
c. to By/JD.{J. Draper - Frames}
c. to By/HED.
c. to By/CS.
c. to By/NS.{Norman Scott}
c. to By/CRL.{C. R. Lisson}

Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester}4/JH.3.11.38.

SPECIFICATION 2.B.50/1.

Herewith a comprehensive specification for 2.B.50.

GEARBOX.

Overdrive ratio.
Small cones to FD.{Frank Dodd - Bodies}2391
Operating forks PD.296.
Stiffening mods. to top and overdrive as for 10.B.V.

Rear Axle.

Semi-floating 9/37 ratio.
Timken diff. bearing.
45 m.m. S.A. . 4140 half shafts.
Al. bg. diff. washers.
Magnesium centre case.

Propellor shaft.

To suit length of car.

Brakes.

Front brakes PD.132.
Equaliser FCD.762.
Damper SCD.910.
Water Seal PD.274.

REAR.

Rear brakes PD.141.
Equaliser GCD.897.
Rods EXC.892/3/4/5.
Steadies GCD.752.

CONT'D.{John DeLooze - Company Secretary}
  
  


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