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 data sheet for Bleriot PHI cutouts under hot conditions.
| Identifier | ExFiles\Box 48\3\ Scan295 | |
| Date | 4th January 1921 | |
| X.4215 - BLERIOT PHI CUTOUTS. (HOT) Remarks Battery disconnected. Hot operation. Cut-out number. Volts. 13.2-14.2 Amperes before. .20 Amperes after. Hot de-operation Volts. Amperes before. Amperes after. .20 Battery connected. Hot de-operation. Volts. Shunt amperes. Reverse series amps. Remarks. 38659 See note on cold sheet. Pass 38660 14.2 .182 .123 13.0 .115 .168 13.4 .118 1.4 After RR adjust. More series turns - Pass 38681 14.0 .180 .110 12.2 .095 .150 13.5 .108 .2 After RR. adjustment. S.R. 225A. (100 T) S.H. 26. 11-12-19 G 2947 4.1.21. | ||