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).
Polar diagrams comparing crankshaft oscillations of the 20-HP and Phantom models at resonance speed.
Identifier | ExFiles\Box 6\1\ 01-page043 | |
Date | 9th November 1926 guessed | |
20.H.P. VIBRATION PHANTOM VIBRATION POLAR DIAGRAMS OF 20-H.P. & PHANTOM CRANKSHAFT OSCILLATIONS AT THE SPEED OF RESONANCE. 00/26 | ||