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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 new type exhaust valve and stronger tappet springs for present standard cars.

Identifier  ExFiles\Box 171\2\  img066
Date  22th September 1932
  
RR 759 (10M) (30405, 21-4-32) BM. 3/8382.4.
COMPLETED 15.11.32. ORIGINAL
STANDARDISATION of CHASSIS PARTS.
Date 22.9.32.
No. 7230
Drawing No. 82489
Part List
Description of Parts: NEW TYPE EXHAUST VALVE AND STRONGER TAPPET SPRINGS FOR PRESENT STANDARD CARS.
Origin: To prevent exhaust valves stretching on present standard cars with 5-1 com: ratio stronger tappet springs to prevent valve spring bounce.
Experimental Test Report. Road Test Report
Fitted to 19-EX. and completely eliminated the trouble.
Fitted to 25-EX. Road test was quite satisfactory for silence etc.
Weight of Old Part.
Cost of Old Part. £ 2-4-10d.
Weight of New Part.
Cost of New Part. £ 2-4-10d.
Difference per Car. £ None
Cost of Parts in Works which will be scrapped if commenced on :-
Series...... £......
Series...... £......
Signature from Cost Dept. that above is correct. G/RD.10.11.32. G.11.11.32. Series...... £......
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 14.10.32. | Agreed SG.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 1/10/32 | Agreed JHR
WOR.{Arthur Wormald - General Works Manager} | 24.9.32. | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 26.9.32. | Agreed C.
RG.{Mr Rowledge} | 26.9.32. | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 24.9.32. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 26.9.32. | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 23.9.32. | Agreed EP{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer} Understand to cure Exhaust valve stretch only. MR.
E.{Mr Elliott - Chief Engineer} | 11.10.32. | Agreed AE. Assuming that the noise trouble at present being experienced can be over come.
PN.{Mr Northey} | 22.9.32. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
  
  


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