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).
Technical memorandum detailing various automotive components and personal driving observations.
| Identifier | ExFiles\Box 127\2\ scan0037 | |
| Date | 12th August 1934 | |
| In the car the clutch pedal travel feels more like 4". I will try and get the clutch makers figures and those of Cadillac. A spring damped clutch centre is incorporated. BEARINGS. Lead bronze throughout. Bohn manufacture. They have not been able to get away with strip bearings made at Cleveland. Limit oil inlet to bearings to 250°F.{Mr Friese} They use a Harrison oil cooler fitted on the suction side of the pump. ELECTRICAL. Two coils and contact breakers, on distributor. Dynamo - 6" x 5" Starter - 9" x 5" geared down on flywheel only 11.6-1 Carb. - Stromburg down draught A.C. Cleaner and silencer. Valves - Tungsten inserts 'frozen' in. Steering - Marles type - 16-1 ratio. Brakes - Bendix with B.K. Vacuum booster. Very efficient even without booster. Petrol Pump - A.C. large size fitted to front end of timing case. Timing Gear - Silent Chain. Air Silencer & Cleaner - A.C. product. Exhaust Silencer - Burgess. Shock Dampers - Luvax type: actually Houdaille. In case you should think that I am saying a 12 cyl. car engine is no use, I am at present driving a 1934 12 cyl. Packard lent us by G.M. which is the best "Town Carriage" I have so far handled. I will tell you more of it when I have been to the Packard factory. | ||