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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).
Directive on parts standardisation, changing valve AV14V to OBV2 with no extra tool cost.

Identifier  ExFiles\Box 16\5\  Scan215
Date  12th June 1934
  
STANDARDISATION of PARTS
CONTRACT No. 31/319

CONTEMPLATED CHANGE IN DESIGN. To remove valve AV14V & substitute OBV2.

No extra tool cost.

Already instructed for all chassis

This improves the life of the valve, and the two are to be interchangeable.

These parts have not been put into production. To re-examine our stock position re. III-L engine exhaust valve, and see if we can use up our existing stock of O.B.V.2. valves on these. Our .000 file No. S.F.-39 shows that we did this on 125 Chassis on request No. L-106 at £1.

STAMP: RECEIVED 18 JUN 1934 D.D.

Handwritten date: 15.6.34
  
  


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