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).
Specifications for a DA.42 Stromberg carburetter, including jet sizes and a modification to the jump link split pin.
| Identifier | ExFiles\Box 102\1\ scan0392 | |
| Date | 22th January 1936 | |
| x508 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} Hs{Lord Ernest Hives - Chair}/GR{George Ratcliffe}:9/JH. 22.1.36. 22-G-V.{VIENNA} Unit C-16. Specifications of DA.{Bernard Day - Chassis Design}42 Stromberg carburetter fitted. Choke 1 1/4" dia. Main metering jet .064. Bypass jet .C29 (drill size) Main discharge tube with single feed hole 56. Idle tube jet 64. Pump jet 70 and set max. Air bleed 70. Leaking .130 Petrol level .625". Diameter of jump link split pin increased from 1/32" to 1/16". Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ratcliffe. | ||