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).
Complete weight analysis of a 4.B.50 chassis, detailing standard weight, differences, and extras.
| Identifier | ExFiles\Box 117\2\ scan0188 | |
| Date | 24th January 1940 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}5/BA.24.1.40. Herewith a complete weight analysis of, 4.B.50. Chassis Weight. Consisting of the following:- Petrol 18 galls. Water, oil, Battery, one spare wheel, centre floorboard, 2 petrol fillers, front bumper. Twin exhaust system, semi-floating axle. 7 x 16 wheels and tyres, extra deep bonnet side plates. cwts.qrs.lbs. = 25 2 11 Difference in Weight over Std.B.50. Twin Exhaust System + 21. Deep bonnet side plates + 10. Bonnet - 16. Extra filler extension + 6 Extra for special front bumper. + 7 --- +42 lbs. --- Chassis Extras. lbs. Lamps. 20 Rear Bumper. 27 Tools,brace,jack. 20 Starting Handle 2 9 ozs. Horns. 9 Seapak. 6 --- 84 3 0 Coachwork Extras. lbs. Heater. 9 Wireless. 25 --- 34 1 6 | ||