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).
Blueprint for a Phantom III Cylinder Head to address a top overoiling issue.
| Identifier | ExFiles\Box 93\4\ scan0019 | |
| Date | 25th September 1935 | |
| HOL. C.EX. Hs{Lord Ernest Hives - Chair}/Fm. +319 Rm{William Robotham - Chief Engineer} E/JNR.{Charles L. Jenner}1/HP.25.9.35. re Phantom 3 Cylinder Head. We send you herewith blueprint:- LeC.4724 showing three oil drain pipes arranged on each head to drain the oil back to the crankcase. This is only a temporary scheme but we should like you to fit this with a view to overcoming the trouble of top overoiling. Drawing to EY. Blueprint to Mx.{John H Maddocks - Chief Proving Officer} E/JNR.{Charles L. Jenner} | ||