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).
Four performance graphs for the LuvaX M.Phantom II component under various test conditions.
| Identifier | ExFiles\Box 28\1\ Scan270 | |
| Date | 8th July 1931 | |
| Top-Left (13): LUVAX M.P.II. LOW PRESSURE VALVE SCREWED RIGHT DOWN COMPRESSOR OIL. 4" STROKE 150 RPH 70 - 300 LB/SQ" 120" IS Top-Right (14): LUVAX M.P.II. HIGH PRESSURE VALVE SCREWED RIGHT DOWN COMPRESSOR OIL. 4" STROKE 150 RPH 70 - 300 LB/SQ" 140" IS 8-7-31 Bottom-Left (16): LUVAX M.P.II. LOW PRESSURE LOAD 100/100 LB. 4" STROKE COMPRESSOR OIL. LOADS SET WITH THICK OIL - LUVAX. 150 RPH 70 - 300 LB/SQ" 120" IS 8-7-31 Bottom-Right (15): LUVAX M.P.II. HIGH PRESSURE LOAD 100/100 LB. 4" STROKE COMPRESSOR OIL. LOADS SET WITH THICK OIL - LUVAX. 150 RPH 70 - 300 LB/SQ" 8-7-31 | ||