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).
Recommendation for pulley and drive specifications to transmit 2.5 HP.
| Identifier | ExFiles\Box 55\2\ Scan061 | |
| Date | 9th September 1916 guessed | |
| Wer/HyS/L.1015. 2. with 8" x 4" pulleys and 30" or over shaft centres would give entire satisfaction and transmit 2 1/2 HP reliably at about 3000 ft per min. The horizontal drive is much to be preferred to the vertical one. [Faint watermark text: HYDEWICO By. {R.W. Bailey - Chief Engineer} VIMTEX] [Faint watermark text: DICKINSON ROVES] | ||