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 for the '32 cwt' Comet, listing components and their estimated weight savings.
| Identifier | ExFiles\Box 153\3\ scan0115 | |
| Date | 3rd July 1940 guessed | |
| SPECIFICATION OF "32 cwt" COMET. ( Cont'd-) Estimated weight saving over 11.B.V. 15. Redesigned senior axle on the lines of PL.242, with alum centre case and dural tubes as Rm.{William Robotham - Chief Engineer}599. 1.531 Half shafts. 20 16. All hydraulic brakes with alum master and operating cylinders. Bowden cable operation of hand brakes with American type equaliser. 15 17. Thin gauge petrol tank with simplified fittings. 8 18. Light type duplex exhaust system. 20 19. Latest design senior range clutch mechanism. 2 1/2 20. Latest senior range rear engine mounting. 3 21. Front bumper not to exceed 12 lbs. with American type attachment to frame. 12 22. Similar rear bumper. 12 23. No wiring tubes. 4 24. Light horns and no horn relay. 4 25. Alum. 8-cylinder engine. 150 26. Light type 8-cylinder flywheel. 9 27. Lucas starter and dynamo. 5 1/2 28. Automotive Products cross and side steering tubes. 5 29. The following details are at present unnecessarily heavy and expensive and should be redesigned. (a) Front anchorage of rear spring. (b) Forgings on rear tubular cross member. (c) Starting handle and fog-lamp. (d) Spare wheel carrier. 5 30. Mechanical petrol pump. 3 | ||