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 sheet for the 4¼ Litre Silver Wraith (6C) model 31-G-V11.
| Identifier | ExFiles\Box 109\1\ scan0148 | |
| Date | 15th August 1939 | |
| Issued to:- By Da{Bernard Day - Chassis Design} (6 copies) Rm.{William Robotham - Chief Engineer} (7 copies) RHC.{R. H. Coverley - Production Engineer} (3 copies) HPS.{Horace Percy Smith - Experimental Factory Mgr} D.{John DeLooze - Company Secretary} & E.{Mr Elliott - Chief Engineer} T. Dept. Ald.{F. Allwood - Experimental Design} Ray/Lee. SPECIFICATION NO. SW.60/7. Issue No. 1. Sheet No. 1. 4¼ LITRE SILVER WRAITH (6C) SPECIFICATION - 31-G-V11. B.60. HIGH POWER HEAD. O.H.INLET. SIDE EXHAUST. ENGINE. 3½ Bore. 4½ Stroke. 6 Cylinder. 6.4/1 Compression Ratio. GEARBOX. 4th. 4.100. 3rd. 5.3587. 2nd. 8.5403. 1st. 11.9597. Rev. 11.7998. OVERALL RATIO. 4th. Direct. 3rd. 1.307. 2nd. 2.083. 1st. 2.917. Rev. 2.878. GEARBOX RATIO. Synchromesh. 4th. 3rd. 2nd. REAR AXLE. .65 Hypoid. 10/41 Semi-Floating (4.1 to 1) SUSPENSION. Bent Pan. Track Front. 59.454". 56" Rear Springs. Track Rear. 60.45" Wheel Base. 11'-1". WHEELS AND TYRES. 7.500" Tyres. 16" x 5.500" Rim. 1/16th Scale Drawing. PD.447. PETROL TANK. 22 Gallons. COACHWORK. Compiled by:- W.LOVELL By/LS Approved by:- By Date:- 15.8.39. | ||