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).
Showing the effects of speed, tyre pressure, and mixture control on petrol consumption.
| Identifier | ExFiles\Box 147\5\ scan0085 | |
| Date | 24th November 1925 | |
| EFFECT OF SPEED & TYRE PRESSURE ON PET. CONSUMPTION. WATER TEMP. 80°C. IGNITION STANDARD MIXTURE CONTROL CENTRAL AXLE 15 x 52 TYRES STANDARD TYRE INFLATION PRESSURE Graph 1 Y-Axis: M.P.G. PET. CONS. Graph 1 X-Axis: ROAD SPEED M.P.H. Graph 1 Data Lines: 60 LBS/D", 25 LBS/D" 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 MIXTURE CONTROL Graph 2 Y-Axis: M.P.G. PET. CONS. Graph 2 X-Axis: STRONG 5 4 3 2 1 0 1 2 3 4 5 WEAK Graph 2 X-Axis Label: NOTCHES Graph 2 Bottom Label: MIXTURE CONTROL POSITION. Top Right Corner: (2) Stamp: ROLLS-ROYCE LIMITED C.H.H.T. SECN. 24 NOV. '25 DERBY | ||