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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).
Standardisation report for a modified valve spring washer.

Identifier  ExFiles\Box 171\3\  img153
Date  20th February 1923
  
STANDARDISATION of CHASSIS PARTS.
Description of Parts. MODIFIED VALVE SPRING WASHER. P At the Camshaft.
Origin. Guide to locate washer for valve spring.

Experimental Test Report.
The proposed washer follows the practice adopted by Springfield. It is similar in effect to the washer used on the aero engines and 20 H.P. The attached sketch shows the difference in the present and proposed valve washer.

Road Test Report.
Run by Springfield 2000 miles. So far no road tests in England but they have just been fitted to 6.EX Car. We shall have completed road tests before engines are built. We can always modify the new washer into the present design.

[Action Box]
A Scrap and replace at all costs, including Chassis already delivered to customers.
B Scrap and replace on Chassis in works.
C Scrap present stock and replace on all Chassis not yet handed to test.
D Use existing stock Alteration effective on future Chassis.

Signature of Exp. Dept. that above is correct. E.Hives.
Cost of Old Part. £ 0. 3. 4
Cost of New Part. £ 0. 5. 1
Difference per Car. £ 0. 1. 9 increase.
Signature of Mr. De LOOZE that above is correct. My/JW 3.3.23.

[Signatures Table]
SIGNATURES, DATE, REMARKS
Mr. JOHNSON, 20.3.23, Agreed. CJ. [Crossed out]
Mr. JOHNSON, 20.3.23, Agreed. BJ.
Mr. ROYCE, 24/3/23, Agreed quite safe & adopt if necessary as soon as poss.
Mr. WORMALD, 5.3.23, Agreed. Wor.{Arthur Wormald - General Works Manager}
Mr. BARRINGTON, 7.3.23, Agreed. Rg.{Mr Rowledge}
Mr. DAY, 15.3.23, Agreed. Da.{Bernard Day - Chassis Design}
Mr. BAILEY, 2.3.23, Agreed. BY.{R.W. Bailey - Chief Engineer}
Mr. PLATFORD, 3.3.23, Agreed - please let me know at once when standardised so we can advise Springfield.
Mr. NORTHEY, 8.3.23, Agreed. PN.{Mr Northey}
  
  


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