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).
Graphs showing the effects of speed, tyre pressure, and mixture control on petrol consumption.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan156 | |
| Date | 18th November 1925 | |
| TOP SECTION: EFFECT OF SPEED & TYRE PRESSURE ON PET. CONSUMPTION. WATER TEMP. 80°C. IGNITION STANDARD MIXTURE CONTROL CENTRAL AXLE 15 x 52 TYRES STANDARD Graph Title: TYRE INFLATION PRESSURE Y-axis: PET. CONS. M.P.G. X-axis: ROAD SPEED M.P.H. Data Lines: 60 LBS/D", 25 LBS/D" BOTTOM SECTION: EFFECT OF MIXTURE CONTROL ON PETROL CONSUMPTION. WATER TEMP. 80°C. IGNITION STANDARD AXLE 15 x 52 SPEED 30 M.P.H. TYRE PRESS. 60 LBS/D" TYRES STANDARD Graph Title: MIXTURE CONTROL Y-axis: PET. CONS. M.P.G. X-axis: MIXTURE CONTROL POSITION. X-axis labels: STRONG, NOTCHES, WEAK STAMP: ROLLS-ROYCE, LIMITED PRINT ROOM 18 NOV 1925 OTHER: (2) | ||