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).
Performance graph comparing representative output curves of E.A.C. and 20 HP dynamos against RPM and MPH.
| Identifier | WestWitteringFiles\M\2April1925-June1925\ Scan99 | |
| Date | 18th March 1926 | |
| AMPERE OUTPUT REPRESENTATIVE OUTPUT CURVES E.A.C DYNAMO & 20 H.P DYNAMO SPECIFIED PERFORMANCES (CONTROL BOARDS SET HOT) CURVE LABELS: E.A.C. Output Representative E.A.C. Output Representative 20 h.p. Output Specified Performance CUT-IN E.A.C. 20 H.P. X-AXES: E.A.C. DYNAMO R.P.M. 20 H.P. DYNAMO R.P.M. E.A.C. [33"x5" TYRES] AND 20 H.P. [32"x5" TYRES] CHASSIS M.P.H. R.{Sir Henry Royce} AXLE | ||