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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).
Use and testing of road springs with rolled eyes on the 40/50 chassis.

Identifier  ExFiles\Box 17\1\  Scan099
Date  6th January 1933
  
ROY.{Sir Henry Royce}
c. Hs.{Lord Ernest Hives - Chair}
c. BY/HEB.{H. Biraben}

87410.

BY.8/G.6.1.33.

RECEIVED
JAN 6 1933

RE: ROAD SPRINGS HAVING ROLLED EYES.

Referring to ROY.{Sir Henry Royce}3/MG.12.11.32. we have been going into this matter carefully, and have discussed same with the Experimental Department. The position is as follows :-

(1). We have no standardisation sheet for the 40/50 chassis using rolled eyes, and before committing ourselves we are certain that we ought to run a chassis in France fitted with springs of this type.

(2). Since the rolled eye demands a thicker top plate, which in turn means that we must modify our shackles, BY/HEB.{H. Biraben} will have to produce modified shackles to mate with the rolled eye spring.

(3). We consider that we should order two sets of 40/50 springs of our average poundages for the Experimental Department, who would then arrange to :-

(a). Test a set on the bumper.

(b). Fit the springs in question to one of the 40/50 chassis going to France.

BY.{R.W. Bailey - Chief Engineer}
  
  


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