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).
Programme of test bed work for the Wraith No.2, O.H.C. No. 23, and B-18 units.
| Identifier | ExFiles\Box 155\2\ scan0061 | |
| Date | 9th March 1937 | |
| 1315. To Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} c. to Rm{William Robotham - Chief Engineer}/CHS. Rm{William Robotham - Chief Engineer}/Swd1.6/JH.9.3.37. Programme of Test Bed Work. Further to memo. Rm{William Robotham - Chief Engineer}/Swd1.9/AP.27.2.37. No.30 Bed. Wraith No.2. Following completion of tests and gear quietening, unit to be returned to shop for inspection. List of parts requiring attention to be given. Summary of tests carried out to be made including :- (a) A.C. filter. (b) Depression tests (Indu. system. (c) Power curve with Ex. camshaft and slow running (d) Whether any noise with damper relief valves. O.H.C. No. 23 Unit. Unit to be fitted on the bed for the following tests :- (1) If the water leak question can be cured either by the existing Angus seal gasket or by the C and A gasket which has been handed you ? These to be tested with normal water pressures as per chassis with radiator in position. (2) Tests with reduced bore indu. system and standard Bentley carbs. (3) Special close coil valve springs to be checked for surge and bounce. B-18 Unit. This unit to be fitted following the completion of tests, on B-24 and its return to the shop for inspection. | ||