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).
Hydraulic tappets getting choked with sludge when using Price's Motorine 'C' oil.
| Identifier | ExFiles\Box 144\1\ scan0250 | |
| Date | 3rd October 1936 | |
| X1225 W/P - Mr. Hancock. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}7/KW.3.10.36. Price's Oil. We have had 5 cases where the little filter to the hydraulic tappets has become choked up after about 1,000 miles' running on Price's Motorine 'C' oil. We want to get 34-EX - the School car - running on this oil, and should like you to arrange it with the people in question. Also to make arrangements for them to observe the condition of the tappet filter to see if it gets choked up with sludge. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||