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 component endurance and performance testing procedures.
| Identifier | ExFiles\Box 155\2\ scan0062 | |
| Date | 27th February 1937 | |
| -2- B-18 is for endurance, having W/M.{Mr Moon / Mr Moore} shell main and big end bearings as produced by the Vandervell Co. Narrow pin connecting rods. High pressure piston rings. Endurance after running is to consist of 10 hrs. full throttle and 10 hrs. 1/4 load at Bentley endurance speeds. Oil inlet temperature at 100°C. press. 30-35 lbs/sq.in. Run on Ethyl fuel. No.5 Test House. P.III No.3. Programme as previous memo. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}9/AP.27.2.37. The 24 K.L.G. E.26 spark. plugs which we have been handed to run on this unit for trial. (Ethyl). P.III No.6. Programme as previous memo. B-9. Continue with oil consumption tests also the following to be observed. Whether any valve bounce with existing special valve springs. Rm.{William Robotham - Chief Engineer}260. - 1 - 4. E.88772 - 5 - 8. E.88703 - 9 - 12. Remove the bottom tappet springs and then recheck bounce speeds. Rm{William Robotham - Chief Engineer}/L.H.Swindall. | ||