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).
Endurance test specifications for valves, springs, and related engine components.
| Identifier | ExFiles\Box 155\3\ scan0106 | |
| Date | 22th December 1936 guessed | |
| -4- from 0 to 5" diam. To run in connection with Albany auxiliary pump unit. 10. VALVES & SPRINGS. Endurance Tests of Valves, Springs, Seats, & Cam & Rocker Mechanism including Valve Bounce Tests. 10 HP. variable speed motor 1,750 R.P.M. Rig to take Kestrel or Merlin cylinder block complete. Oil pump attached - with steam heated 3 gall. tank - to supply camshaft with oil up to 100 lb/sq. in. pressure at 200°C. Provision for attaching Albany unit to supply high temperature oil to cylinder for valve seat tests. | ||