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).
Urgent internal request to order a pair of special front springs for a 20 HP model from Firths.
| Identifier | ExFiles\Box 52\2\ Scan225 | |
| Date | 14th May 1930 | |
| O.O. From Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} X4429. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} 2/MJ.14.5.30. 20 HP. FRONT SPRINGS. X4429 X5410. Will you please order a pair of special front springs from Firths to the following specification - Length between spring eyes, dimension of eyes, clip design and position to be as on our drawing F.55520. Non standard dimensions Free camber = 5.00" Pos. Normal Loaded Camber = 1.00" Pos. Max. deflection = 1.950" Neg. Number and thickness of leaves to be left to Messrs Firths. We should like them to submit a drawing to us and quote delivery date. The matter is urgent. The poundage of the springs at normal deflection (i.e. 1" Pos. Camber) should be 675 and they should be grooved for lubrication. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||