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).
Instructions and wiring diagram for a 210 volt DC 'Modern' Motor.
| Identifier | ExFiles\Box 61\2\ scan0050 | |
| Date | 4th November 1929 | |
| RR 23B (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12-24) MP 306975 X. 75 ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No.: AD. 39 Customer's No.: X. 75 210 volt D.C "Modern" Motor. This machine is arranged as shown in diagram below. The compounding is additive. On 100 volts as a compound machine it ran at 1970 rpm light taking 0.6 amps, rotation being negative. Heavy wire copper wire banding Shunt 1925 ohms Series 1.0 ohm 2.86 ohms The brushes have been set in the neutral position, but are adjustable. Signed: F.H.A. This Sheet must be filed on completion of the work. | ||