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).
Instructions for new experimental valve and fitting drawings for a 3 1/2 Litre Bentley.
| Identifier | ExFiles\Box 88\4\ scan0050 | |
| Date | 1st May 1934 | |
| X254 To: RHC.{R. H. Coverley - Production Engineer} c. Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews} BY/CS1/EH.1.5.34. Re 3 1/2 Litre Bentley - Valves & Fittings - Sec:5060. LeC.3873 - Support Ring for Valve. Please receive herewith blue prints of the following new drawings, detailed to the above LeC. E.B.1745 Valve - Inlet which replaces E.B.164. E.B.1746 " - Exhaust " " E.B.1500. E.B.1747 Retaining Ring E.B.1748 Wedge-Valve Spring Washer which replaces E.56832. E.B.1749 Valve Spring Washer(Top) " " E.56833. Will you please instruct as required, together with remainder of parts to LCP. E.B.141. This completes instructions for experiment, fitting a detachable ring to valve stem, to prevent the valve falling into the cylinder in the event of valve spring failures. BY/CS. | ||