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).
Comparative output curves for C.A.V.NG.R.R., Lucas E.575, and Smith (T&M) Type A dynamos.
| Identifier | WestWitteringFiles\C\May1919\ Scan64 | |
| Date | 12th May 1919 | |
| COMPARATIVE OUTPUT CURVES OF C.A.V.NG.R.R. LUCAS E.575. TYPE DYNAMOS. AND SMITH (T&M) (TYPE A) WEIGHTS 36 1/2 lbs 29 lbs 32 lbs (AMPERES) DYNAMO SPEED (R.P.M) Curve Labels: SMITH (T&M) TYPE A (STARTING COLD) SMITH (T&M) TYPE A (HOT) CAV.NG.RR. (COLD) SMITH (T&M) CAV.NG.RR. (HOT) LUCAS E.575. (COLD) LUCAS E.575. HOT Voltage readings on curves: 15.75, 15.5, 15.0 16.2, 16.6, 16.5, 16.0, 14.0 16.15, 16.05, 16.1, 16.5 16.0, 16.2, 15.0 16.5, 16.0, 15.0 Note (bottom left): 500 575 600 655 725 R.P.M 12.4 13.2 13.6 13.0 13.6 VOLTS. Note (middle right): Small figures are operating voltages. Bottom right corner text: E.T.C. 12/5/19 | ||