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).
The resistance values of S.U. petrol pump windings.
| Identifier | ExFiles\Box 163\1\ img025 | |
| Date | 5th July 1934 | |
| rb{R. Bowen} 007. 5.7.34. RESISTANCE OF S.U. PETROL PUMPS. Resistance of L.H. petrol pump winding = 4.07 ohms. Resistance of R.H. petrol pump winding = 4.0 ohms. Average resistance of winding = 4.035 ohms. | ||