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).
Graph showing dynamo output curves for a 20 HP dynamo.
| Identifier | ExFiles\Box 165\6\ img244 | |
| Date | 1st December 1929 | |
| M.{Mr Moon / Mr Moore} (High Output Armature) 7° 126° July '28 N (Inter. Output) 7.5° 123° at 80°C Dec '29 20 HP REPRESENTATIVE OUTPUT CURVE OF STANDARD 20 HP DYNAMO AT 80°C SPECIFIED CURVE OF OUTPUT REQUIREMENTS FOR 20 HP DYNAMO DYNAMO OUTPUT CURVES 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 30 35 40 45 50 55 E.{Mr Elliott - Chief Engineer} 31.4" DIA' TYRES | ||