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).
Instructions for modifying rear road springs on a Phantom chassis, altering the free camber and specifying new piece numbers.
| Identifier | ExFiles\Box 67a\2\ scan0037 | |
| Date | 6th October 1927 | |
| C. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} x8410 BY/HEB{H. Biraben}12/M.6.10.27. PHANTOM CHASSIS. CHASSIS 82-LC. SIR JOHN LATTA. CHASSIS 8-EX. EXPERIMENTAL CAR. LONDON TRIALS CAR. STAMP: 20 OCT 1927 In accordance with Hq/Rm{William Robotham - Chief Engineer}1/Lcl.10.27, will you kindly instruct for the following Springs:- F.10572 Rear Road Spring 2200 lbs. (3 off.) STIFFER TYPE. F.10573 " " " 2300 " (3 " ) " to be taken from Stock and returned to the Makers' to have the Free Camber altered from 1.900 to 1.400 (Positive). These Springs should be stamped with the following Piece Nos:- 2200 lbs. - F.77744. 2300 lbs. - F.77745. This matter is extremely urgent and when the Springs are delivered they should be handed over to the Experimental Dept. for testing. Will RHC.{R. H. Coverley - Production Engineer} please note that when fitting these springs to the above chassis, the thickness of the Rubber Buffer must be reduced by .500. BY/HEB{H. Biraben} [Diagram of a leaf spring with the measurement '1.400'] 2200 LBS - F.77744. 2300 LBS - F.77745. | ||