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 and temperatures for a 1936 P.OD. Series 60 engine with different rocker arm brackets.
| Identifier | ExFiles\Box 124\3\ scan0431 | |
| Date | 18th February 1936 | |
| 1936 P.OD. SERIES 60 ENGINE LEGEND: 1936 PROD. ROCKER ARM BRACKETS, WITHOUT COOLER - INTAKE VALVES, AVE. OF 3 1936 PROD. ROCKER ARM BRACKETS, WITHOUT 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 AXES: Y-AXIS LEFT: VALVE LASH IN THOUSANDTHS Y-AXIS RIGHT: WATER & OIL TEMP. °F X-AXIS: TIME IN MINUTES LABELS ON GRAPH: #83 ALLOY ALUMINUM OIL TEMP. 1936 PROD. WATER TEMP. .015" LASH VALVE LASH BOTTOM RIGHT BOX: TEST NO. 606-I SHEET NO. 4 NO. SHEETS 6 DATE: 2-18-36 | ||