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).
Modifications and improvements to automatic valve tappets.
| Identifier | ExFiles\Box 106\5\ scan0087 | |
| Date | 27th May 1933 | |
| X5060 To Dr. from E/JNR.{Charles L. Jenner} c. Hs.{Lord Ernest Hives - Chair} E/JNR.{Charles L. Jenner}8/HP.27.5.33. J.3. Automatic Valve Tappets. We send you herewith: LeC.3514 showing various modifications and improvements to the above device. The plungers no longer depend on gravity feed of oil but are now supplied by pressure cum gravity. Pieces have been improved mechanically where they failed on the previous design. E/JNR.{Charles L. Jenner} | ||