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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).
Outlining the experimental features and known issues of a test car being sent to London.

Identifier  ExFiles\Box 82\3\  scan0397
Date  15th December 1936
  
Sg.{Arthur F. Sidgreaves - MD} from Rm.{William Robotham - Chief Engineer}

Rm{William Robotham - Chief Engineer}7/R.15.12.36.

5.B.IV.

This car will be coming to London to-morrow evening, Wednesday, December 16th.

It has the following experimental features:-

Stiff Frame
Low rating front springs
Shock Absorbers moved out to the end of the axle.
Experimental Engine mounting
Marles Steering.

This car can be run with either the Marles Steering, or the standard Bentley steering. While the standard Bentley steer- ing is a little too heavy, we think the Marles steering is rather too light; however, we thought it would be of more interest to you to try the lighter steering than the standard.

You will note the shock absorber control is on the Instrument Board.

You will find that the car has not a good steer- ing lock. This due to the anti-jagger bob weights which were not designed for the axle with the moved out shock absorbers. It is not an inherent defect, but we have not taken the trouble to alter the design to get it right as it does not interfere with the main test of suspension and steering.

The boxed in frame has prevented us getting a standard exhaust system on this car.

Rm.{William Robotham - Chief Engineer}
  
  


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