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).
Specification details for a Bentley 'Corniche' S.U. Carburetter, type H.6.
| Identifier | ExFiles\Box 97\3\ scan0254 | |
| Date | 3rd July 1939 | |
| 450c. BY DA.{Bernard Day - Chassis Design} Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/eHS By/CS Rm{William Robotham - Chief Engineer}/CR{Mr Cra???ster / Mr Chichester} BY/NS{Norman Scott}4/MG.3.7.39 BENTLEY 'CORNICHE' S.U. CARBURETTER. R.R.SPECIFICATION No.B.5/4 S.U.SPECIFICATION NO. AUTOMATIC STARTING DEVICE CARBURETTER,TYPE H.6 Mounting offside No.3268. Die Cast Body with steel throttle spindle bushes, cast in. 1.750 diameter throttle. R.R.Nos: EB.5083/4) Throttle Spindle - Brass. S.U.No. Copper Asbestos Joint Washers (Fitted by R.R.) FLOAT CHAMBER Front Carb: TA 1208-1161 on R.H. with .100 needle seat on both lids. R.R. supply their own banjo. .186" fixing nut & 1557 washer fitted. Ft.Nos.1558 and 1559 Tickler Pins and Collars fitted on both lids. EW.1249 Banjo Float Chamber Drain. * Rear Carb: 3258 - 1161 Thermo Float Ch. on R.H. Needle 3134 to have .008" taper & Suction disc 3129 to be .435" dia. Fit standard spring (green). Supply two 199 stops loose. Supply two single 695 banjos and 698 bolts. EW.1249 Banjo Float Chamber Drain. Main Air Vent. Horizontal hole to be plugged Vertical hole to be drilled (See drawing No. 3256) (Continued) * Fitted by R.R | ||