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).
Instruction sheet detailing the power required to drive a Lucas E575 Dynamo.
| Identifier | ExFiles\Box 36\4\ scan 244 | |
| Date | 10th November 1921 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 X.30146 95289 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Order No: X.30146. Customer's No.: 7D.161. Re: X.30146. Power required to drive Lucas E575 Dynamo. Power req'd to drive dynamo at 560 R.P.M 1680. this speed being one which gives about max. output was .72 H.P. Power req'd at 870 R.P.M. 2445. .89 H.P. Signed: [Illegible signature] This Sheet must be filed on completion of the work. | ||