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).
List of reported issues and features requiring attention on the Phantom II chassis.
| Identifier | ExFiles\Box 65a\3\ scan0137 | |
| Date | 9th October 1929 | |
| Wor.{Arthur Wormald - General Works Manager} X770 EP{G. Eric Platford - Chief Quality Engineer}9/H9.10.29. PHANTOM II. CHASSIS. The following are features requiring attention and will possibly be complained of when cars are in service:- (1) Engine periods and knocks etc. as affected by slipper drive. The present slipper drive appears inadequate to deal with these troubles, as demonstrated to the Experimental Dept. (2) Need for initial lubrication of pistons to prevent seizing up and consequent piston knocks. (3) Changing gear difficulty. The clutch brake is also considered inaccessible for adjustment purposes. (4) Removal of rearmost front wing stay necessitates removal of front shock-absorber arm. (5) Exhaust noisy, also "sneezing", and tendency to boom, especially at high engine speeds. (6) Tappet or camshaft squawk, demonstrated to Experimental Dept. as a feature requiring attention. Also there is the difficulty of bottom tappet and spring not being easily removable. (7) Carburation. Tendency to be weak on pick-up, especially is this the case if water temperature is not maintained 80° and upwards. The trouble of obtaining good carburation until water temperature obtained as above specified. (8) Vibrations and rumbles set up in the drive by action of universal joint,(e.g. Experimental car, 20-EX) and difficulty of obtaining and maintaining satisfactory freedom of these joints. (9) Brakes. Groans and squawks. (Experimental Dept. now instructing a cure for this trouble). There is, however, still the trouble of squeak from the servo when in action, as demonstrated to the Experimental Dept. (10) Springing and Steering. Generally good, but unstable and too flexible for high speed work. (11) Fumes from Exhaust. 'Tis is objectionable when pulling up after hard running. There are also certain fumes created by oil dripping on to the silencer. [Handwritten] Later -> 12 - Dashboard-scuttle, seat isolation scheme. More satisfactory scheme required as demonstrated H9 & Rm{William Robotham - Chief Engineer} on new complete cars. EP.{G. Eric Platford - Chief Quality Engineer} Mx.{John H Maddocks - Chief Proving Officer} 13 - Ignition. better synchronising for slow engine state. Present neg. advance causes pinking & harsh engine on full up unless retarded - OK on battery I.W.J. retarded 5° - PM retard very favourably. | ||