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 plotting leakage against shaft speed at various temperatures for an Acme thread test on B.50 rear axle oil seals.
| Identifier | ExFiles\Box 111\4\ scan0114 | |
| Date | 2nd May 1939 | |
| ACME THREAD TEST (B.50 REAR AXLE OIL SEALS) VARIATION OF DELIVERY WITH TEMPERATURE 2.5.39 PRESSURE 30 LBS/D'' DETAILS SCHEME GCD 1340 HOUSING BL 1029 BUSH BL 980 OIL CASTROL XL.30 TEMPERATURE 60°C TEMPERATURE 50°C TEMPERATURE 40°C LEAKAGE (PTS PER HR.) SPEED OF SHAFT (RPM) BL 2336 SHEET 3 Y-Axis: 0, 2, 4, 6, 8, 10, 12, 14, 16 X-Axis: 0, 1000, 2000, 3000 | ||