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).
Design drawing with notes for an improved double throttle mechanism.
| Identifier | ExFiles\Box 1\3\ B001_X 93-page03 | |
| Date | 3rd April 1912 | |
| LESLIE IMPROVED THROTTLE (DOUBLE) Stop for throttle now screws here & not externally Note. the internal dia of sleeve must be larger than the spindle in order to allow disc to square itself up with end of choke tube. .025" in diameter difference is about correct. Note. The external stop nut on throttle is to be done away with. The stop now being formed by the felt washer. Brass plate. choke tube. Retaining pin. Felt washer. This washer should be shellaced on to disc before rivetting up. H'H' 602(1000) X. A.D. 14 FEB 12 | ||