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).
Summary of development and testing activities for various car models.
| Identifier | ExFiles\Box 123\4\ scan0334 | |
| Date | 7th July 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}4/AP.7.7.37 4 1/4 LITRE BENTLEY B.56.BN.{W.O. Bentley / Mr Barrington} O.H.C. and cyl. head, engine otherwise standard also for braking tests with special drums and linings. WRAITH. 24.G.6. } 25.G.6. } Development of chassis. 26.G.6. } 25/30.HP. 18.G.1V. Used for exhaust back pressure tests. Engine running with soft crankshaft and whitemetal main bearings. Hall's big ends. 22.G.5. Carburation tests, suspension noises, comparison with Wraith. GAE.20. Suspension - roll rod and low deflection front springs, carburation tests with vac. ignition control. ----------- OTHER CARS. Packard. 8 cyl. Aero Transport car. Chevrolet 6 cyl. engine investigation. Vaxhall 6 cyl. " " Oldsmobile 6 cyl. engine performance and suspension investi-gation. ----------- CARS UNLICENCED USED AS TEST RIGS. Vulture 29-EX. Peregrine SP.{Mr Spinney}2. Phantom III. 30-EX. ----------- Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||