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).
Modifications and settings for a Stromberg automatic choke and fast idle device.
| Identifier | ExFiles\Box 102\1\ scan0325 | |
| Date | 26th June 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} X506 Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}14/KW.26.6.35. 20-G-IV. Stromberg automatic choke and fast idle device fitted to Stromberg downdraught carburetter. Fast idling set to 15 m.p.h. approx. Suction bleed altered from .038" to .046". Initial tension on bi-metal strip adjusted to 10 notches. Main body insulated and bi-metal strip placed as close as possible to junction of exhaust branches, being mounted on a sheet metal bracket welded to exhaust manifold. HS{Lord Ernest Hives - Chair}/G.Ratcliffe. | ||