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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).
Altered method of rear springing for four specific cars.

Identifier  ExFiles\Box 47\2\  Scan016
Date  1st October 1927
  
To BY.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

X4117

Hs{Lord Ernest Hives - Chair}/Rml/LG1.10.27.

LG40
X4117

ALTERED METHOD OF REAR SPRINGING.

We have four cars which we wish to spring at the rear by the method outlined in our Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}3/LG30.9.27.
For all except Kruse's car we should like to use your 25% stiffer spring with altered initial camber. For Kruse's car we should like to use a standard stronger spring with altered initial camber to reproduce exactly the results that have given such satisfaction on 117-MC and 10-EX cars.

| Car and Chassis No. | Total sprung rear wt. allowed for. | Poundage and type of spring required. |
| :--- | :--- | :--- |
| Capt. Kruse. 38-TC. | 2890 lbs. | 2 std. springs of 2675 and 2775 lbs. with their initial camber altered to 1.4". |
| Sir John Latta. 82-LC. | 3060 lbs. | 25% stiffer type spring with 1.4" free camber. Rating. N.S. 475 lbs/1" O.S. 485 lbs/1" |
| London Trials car. | 3000 lbs. | 25% stiffer type spring with 1.4" initial camber. Rating. N.S. 476 lbs/1" O.S. 480 lbs/1" |
| Experimental car. 8-EX. | 3030 lbs. | 25% stiffer type spring, with 1.4" positive initial camber. Rating. N.S. 470 lbs/1" O.S. 480 lbs/1" |

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


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