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).
Engine bearing repairs and oil pressure tests for Chassis B.IIS.BL.
| Identifier | ExFiles\Box 146\1\ scan0207 | |
| Date | 10th March 1938 | |
| Redex 1245 To SF. Levallois VA.5/ET.10.3.38 Re: CHASSIS B.IIS.BL - Mr. SPENGLER We have repaired this car after a total mileage of 69.II6 Kms. Modifications and repairs carried out to the engine bearings: Drilled the crankshaft and polished the main journals. All main bearings in good condition with the exception of N°3. Fitted a new bearing to N°3. Reduced liners to take up slight slack in all main bearings. Grooved the intermediates. Big end bearings (AC.7) in good condition. Took up slight sinkage and fitted RR.56 liners. Oil pressure (engine in hot condition): SMALL OIL PUMP 9 lbs. at 500 r.p.m. 17 " " 1000 r.p.m. 22 " " 2000 r.p.m. 25 " " 3000 r.p.m. 26 1/2 " " 4000 r.p.m. LARGE OIL PUMP 8 lbs. at 500 r.p.m. 16 " " 1000 r.p.m. 23 1/2 " " 2000 r.p.m. 30 " " 3000 r.p.m. 35 1/2 " " 4000 r.p.m. VA. WHH | ||