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).
Blueprint graph of representative dynamo output curves against R.P.M. and chassis M.P.H.
Identifier | ExFiles\Box 165\6\ img004 | |
Date | 27th May 1925 | |
AMPERE OUTPUT. Old schedule of volts REPRESENTATIVE OUTPUT CURVES OF R.R. 20 H.P. & E.A.C. DYNAMOS TOGETHER WITH SPECIFIED PERFORMANCES. (CARCASE TEMPERATURE 75° C.) CURVE LABELS: REPRESENTATIVE 40/50 H.P. REPRESENTATIVE 20 H.P. (57) E.A.C. (57) OUTPUT 20 H.P. (57) OUTPUT SPECIFIED PERFORMANCE Y-AXIS (AMPERE OUTPUT): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 X-AXIS LABELS: 20 H.P. (57) E.A.C. (57) E.A.C. (33.5" TYRES) & 20 H.P. (31.4" TYRES) CHASSIS M.P.H. 15/52 AXLE 11/50 AXLE E.A.C. DYNAMO R.P.M. 20 H.P. DYNAMO R.P.M. X-AXIS SCALE 1 (E.A.C. DYNAMO R.P.M.): 0, 280, 560, 840, 1120, 1400, 1680, 1960, 2240, 2520, 2800, 3080, 3360, 3640, 3915, 4200, 4475, 4750, 5030, 5320, 5600 X-AXIS SCALE 2 (20 H.P. DYNAMO R.P.M.): 0, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000, 3200, 3400, 3600, 3800, 4000 X-AXIS SCALE 3 (CHASSIS M.P.H.): 0, 10, 20, 30, 40, 50, 60, 70 STAMP: DERBY WORKS COPY OTHER: Q | ||