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).
Data table detailing the linear movement and inclination of suspension components for various chassis models.
| Identifier | ExFiles\Box 17\3\ Scan122 | |
| Date | 1st March 1927 guessed | |
| -2- CHASSIS. | LINEAR MOVEMENT OF PEND:LEVER BALL PIN. | INCLINATION OF TUBE IN ELEVATION (AT NORMAL POSITION). | ON FULL REBOUND. | ON MAX: BUMP. | EAC-V11 Original tube. | .525 | .225 | 7 1/4º up towards front. EAC-V11 shortened pend:lever. (Exp. arrgt. tested). | .275 | .075 | 4 1/4º up towards front. Phantom B2. series. 9.5 pend:lever. | nil | .150 | nil Phantom C2. series. 11.000 pend:lever. | .150 | nil | 1 1/4º up towards front. | ||