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).
Instrument board layout for the Phantom II, focusing on the Damper Over-riding Control.
| Identifier | ExFiles\Box 16\5\ Scan079 | |
| Date | 7th February 1933 | |
| To HDY.{William Hardy} from E.{Mr Elliott - Chief Engineer} c. Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} De/EV.{Ivan Evernden - coachwork} EV{Ivan Evernden - coachwork}/RD. Phantom 2 Damper Over-riding Control. ------------------------------------ We have been looking into the question of the instrument board as it will be affected by the above. At the present moment our standard instrument board shown on drawing D.73173 is symmetrically arranged with the electric starter button balancing the starter carburetter control on each side of the Rolls-Royce patch of grouped instruments. The speedometer in this same arrangement is balanced by the combined petrol gauge and magneto switch. We should like to bring into use the Smith instrument patch at the same time as the damper control as this 'kills two birds with one stone', and helps us to get a symmetrical arrangement as follows: The damper control would balance the starter carburetter control. The self-starter switch would be combined with the magneto switch, balancing the speedometer. The petrol gauge of the electric type is incorporated in the Smith instrument panel. The damper control would be made similar to the design recently produced for starter carburetter control, in which the hole through the instrument board is of smaller dimensions than on the present Phantom 2, and is shown on blueprint Lec.3209, attached. We believe the damper control in the proposed position would be within sufficiently easy reach of the driver, but we should be glad if the Experimental Department would confirm this. E.{Mr Elliott - Chief Engineer} | ||