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).
Test instructions and electrical readings for a Blériot phi. cut-out.
| Identifier | ExFiles\Box 48\3\ Scan149 | |
| Date | 24th November 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 4215. 91487 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.F.C. Date 24/11/20 # Order No. on I Customer's No. F.C. 158. Re X 4215 Blériot phi. Cut-out. Cold 18° C. Volts and amperes on shunt coil to operate. 12.4 Volts .190 amps 65.3 W Volts & amperes on shunt coil after operation 12.4 Volts .115 amps. 107.8 W Ohms cut in by auxilary contact 42.5 W Volts and amperes on shunt coil to deoperate 10.2 volts .095 amp (Cont d. {John DeLooze - Company Secretary} ) 107.5 W Signed This Sheet must be filed on completion of the work. | ||