Road spring specifications for the 25-EX American chassis.
| Identifier | ExFiles\Box 43\2\ Scan271 | |
| Date | 24th January 1931 | |
| To BY. {R.W. Bailey - Chief Engineer} From Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 83900 Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 1/MJ. 24.1.31. ROAD SPRINGS FOR AMERICAN CHASSIS. We consider that the road springs fitted to 25-EX. at the present time are a very reasonable compromise. They are as follows :- Rear. Initial camber 10.25" Loaded camber flat. Poundage 1320. Front. Initial camber 4¼". Loaded camber flat. Poundage 1100. The weight of 25-EX. is 1 ton 1 cwt. 2 qrs. 14 lbs. at the front and 1 ton 7 cwt. 0qrs. 14 lbs. at the rear. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).