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).
Comparison of shunt wound and normal electrical outputs for C.A.V., Lucas, and Smith components.
| Identifier | WestWitteringFiles\C\August1919\ Scan55 | |
| Date | 16th April 1919 | |
| -2- C. Shunt wound output. Speed. C.A.V. Amperes. N.C.A.R. Lucas E.575 Smith Type A.{Mr Adams} 600 -- -- 2.3 700 1.7 -- 4.6 800 4.3 1.5 6.8 900 6.55 3.8 9.1 1000 8.95 5.7 11.3 1200 12.7 9.7 14.8 1400 15.15 13.4 -- D.{John DeLooze - Company Secretary} Nor-mal output. Speed. C.A.V. Amperes. Lucas E.575 Smith Type A.{Mr Adams} 600 .15 -- .9 700 2.3 -- 4.25 800 4.35 1.75 7.05 900 6.75 3.8 9.55 1000 8.8 5.8 11.0 1200 11.15 8.8 12.3 1500 12.75 11.4 12.95 2000 13.4 12.5 12.65 2500 13.0 12.5 12.05 3000 12.15 12.3 11.8 Maximum brush ) amperes per square) 109.6 46.1 54.6 inch of contact ) Weight (lbs) 36.5 29 32 R.R. 285 A (100 T) (S.F. 575, 16-4-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2354. | ||