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).
Two experimental methods for preventing crankcase gas leakage via the ignition governor.
| Identifier | ExFiles\Box 65\1\ scan0118 | |
| Date | 31th August 1925 | |
| To RHC.{R. H. Coverley - Production Engineer} (Strikethrough) c. to EFC. (Circled) ✓8685 (Handwritten) BY/SS{S. Smith}3/DB.{Donald Bastow - Suspensions}31.8.25. Re· 40/50HP Chassis - Ignition Governor - Sec:5120. X.8110. (Strikethrough) 8685 Please receive herewith two blueprints of each of the following tracings, detailed from LeC.2121:- E.74200 - Distributor Tower. } These parts E.74201 - Oil Baffle. } are required E.74202 - Governor Shaft. } for Method E.74203 - Oil Trap Sleeve. } No.1. E.74204 - Washer. } E.74205 - Guide Pin. } E.74206 - Governor Housing. } These parts are req'd E.74207 - Governor Shaft. } for Method No.2. Will you please instruct up 1 set of these parts for the following two experiments for preventing leakage of crankcase gases through governor. Method No.1. consists of a sliding sleeve running in an oil trap in Distributor Tower. Method No.2. has an oil trap in Governor Housing. These two methods should be considered as alternatives, and should be tried out as such. BY/SS.{S. Smith} (Watermark: CROXLEY SNOWDROPS BOND) | ||