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).
Graph plotting the mechanical efficiency of an E.A.C.V. steering box with increasing loads in the side steering tube.
| Identifier | ExFiles\Box 67\3\ scan0180 | |
| Date | 21th July 1925 | |
| 48430 48450 C. to R.{Sir Henry Royce} only MECHANICAL EFFICIENCY OF E.A.C.V STEERING BOX WITH INCREASING LOADS IN SIDE STEERING TUBE. E.A.C WITH WHITE METAL STEERING NUT. % MECHANICAL EFFICIENCY LOAD IN SIDE STEERING TUBE lbs. E.A.C.V SERIES WITH PENDULUM IN ITS MEAN POSITION 40/50 250° R.H. lock 40/50 HP WITH PENDULUM IN ITS MEAN POSITION. 250° R.H. LOCK E.A.C.V SERIES. ROLLS-ROYCE LIMITED. PRINT ROOM 21 JUL 1925 DERBY. | ||