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).
Graph comparing valve lash, oil temperature, and water temperature over time for a 1936 Series 60 engine with different rocker arm bracket materials.
| Identifier | ExFiles\Box 124\3\ scan0430 | |
| Date | 18th February 1936 | |
| 1936 PROD. SERIES 60 ENGINE LEGEND: [--] 1936 PROD. ROCKER ARM BRACKETS WITH COOLER - INTAKE VALVES, AVE. OF 3 [--] 1936 PROD. ROCKER ARM BRACKETS WITH COOLER - EXHAUST VALVES, AVE. OF 3 [-.-] #83 ALLOY ALUMINUM ROCKER ARM BRACKETS WITHOUT COOLER - INTAKE VALVES, AVE. OF 3 [-.-] #83 ALLOY ALUMINUM ROCKER ARM BRACKETS WITHOUT COOLER - EXHAUST VALVES, AVE. OF 3 AVERAGES OF CYLINDERS #6, 7 & 8 AXIS LABELS: Y-AXIS LEFT: VALVE LASH IN THOUSANDTHS Y-AXIS RIGHT: WATER & OIL TEMP. °F X-AXIS: TIME IN MINUTES GRAPH LABELS: OIL TEMP. #83 ALLOY ALUMINUM 1936 PROD. WATER TEMP. #83 ALLOY ALUMINUM 1936 PROD. .015" LASH VALVE LASH INFO BOX: TEST NO. 606-1 SHEET NO. 5 NO. SHEETS 6 DATE: 2-18-36 OTHER TEXT: NO. 340-20 EDCO EFFICIENCY 2 X 20 PER INCH EUGENE DIETZGEN CO. | ||