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).
Test procedures and parameters for B.60 engine units, including endurance and clearance checks.
| Identifier | ExFiles\Box 155\2\ scan0282 | |
| Date | 24th November 1938 | |
| -3- B.60 NO.2 UNIT - Cont'd.{John DeLooze - Company Secretary} ( 4) Carry out tappet clearance tests on the inlet valves (Steel Push Rods). Cold at .005, Water at 80°C ? Water and oil 80°C ? (5) Gears should be O.K. and all other parts of engine O.K. (6) Check best idling. B.60 NO.1 UNIT. Endurance to be carried out as follows; open exhaust power to be checked before commencing. Total 100 hrs. duration. 6 a.m. to 9 p.m. daily (continuous through lunch. Run on Ethyl fuel and Motorine C. oil. Test bed silencer. Each 1 hr. to consist of 15 mins at a - 3000 R.P.M. b - 3500 " c - 4000 " d - 4250 (Valve bounce permitting). Each 10 hrs. to consist of 7 hrs. full throttle. 2 hrs. ½ load. 1 hr. ¼ load. Oil inlet temp. to be controlled at 80°C. Oil consumption to be recorded. Top and bottom water temperature recorded. Run on weakest maintained and record petrol consumptions. | ||