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).
Set of four graphs comparing oil inlet temperatures against road speed for the Peregrine engine under various conditions.
| Identifier | ExFiles\Box 131\1\ scan0087 | |
| Date | 27th March 1933 guessed | |
| OIL TEMPERATURE TESTS PEREGRINE. RAISED TO ATMOSPHERIC TEMPERATURE OF 30°C. Y-Axis: OIL INLET TO BEARINGS C° X-Axis: ROAD SPEED M.P.H. Graph 1: COMPARISON OF RIBBED AND PLAIN BOTTOM HALVES. OIL SPRAYED ON BOTTOM HALF. OIL PR.{Percy H. Rose} 20 LBS/D" Graph 2: COMPARISON OF VARYING OIL PRESSURE RIBBED SUMP. OIL SPRAYED ON BOTTOM HALF. 50LBS/D" 20LBS/D" Graph 3: COMPARISON OF RADIATOR SHUTTERS NORMALLY CLOSED AND FULLY OPEN. RIBBED SUMP. OIL SPRAYED ON BOTTOM HALF. OIL PR.{Percy H. Rose} 20 LBS/D" Graph 4: 50LBS/D" PLAIN SUMP NO TURBULENCE 20LBS/D" RIBBED SUMP TURBULENT FLOW RAD SHUTTERS FULLY OPEN | ||