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).
Series of indicator diagrams for a Luvan M.Phantom III under various load and temperature conditions.
| Identifier | ExFiles\Box 28\1\ Scan266 | |
| Date | 11th August 1931 guessed | |
| Diagram 1 (Ref: 126/13): LUVAN M.P.III. HIGH PRESSURE AS SUPPLIED. LOADS 1370LB 150 R.P.H. 70 Y-axis: SUPPLIED Diagram 2 (Ref: 126/14): LUVAN M.P.III. LOW PRESSURE AS SUPPLIED LOADS 1270LB 150 R.P.H. 70 Y-axis: SUPPLIED Diagram 5 (Ref: 126/15): LUVAN M.P.III. LOW PRESSURE LOADS 1150/1100LB. 4" STROKE 150 R.P.H. 70 Y-axis: SUPPLIED Diagram 8: LUVAN M.P.III. LOW PRESSURE LOADS 1100/100 LB. 4" STROKE TEMPERATURE VARIATION 25°C - 70°C Data Table: 50% 25°C 55% 32.5 60% 40°C 65% 45°C 70% 75% 70°C 30°C 35°C 40°C 45°C Y-axis: 300LB SQ" Diagram 6: LUVAN M.P.III. LOW PRESSURE 1100/100LB 4" STROKE TEMP 20°C COOLED OFF AFTER TEMP TEST. 150 R.P.H. 70 Y-axis: 300LB SQ" Diagram 7: LUVAN M.P.III. LOW PRESSURE LOADS 1100/100 LB. 4" STROKE 150 R.P.H. 70 Y-axis: 300LB SQ" | ||