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).
Road test log for car PK with engine 3-EAC-11, detailing mileage, testers, and performance remarks from December 1924 to January 1925.
| Identifier | ExFiles\Box 69\3\ scan0191 | |
| Date | 20th December 1924 | |
| PK CAR. SHEET 1. 3-EAC-11 ENGINE FITTED 20.12.24. DATE. | TESTER. | MILES. | TOTAL MILES. | REMARKS+ ------------------------------------------------------------------------------------------------------------------------------------ 20.12.24 | Expl: | 67 | 67 | 22.12.24 | Expl: | 472 | 539 | 22.12.24 | 29.12.24 | " | 472 | 1011 | 29.12.24 | 6.1.25 | " | 455 | 1466 | 6.1.25 | 15.1.25 | " | 270 | 1736 | 16.1.25 | Cx.{Major Len W. Cox - Advertising Manager} | 158 | 1894 | 17.1.25 | PN.{Mr Northey} CWB. | 84 | 1978 | Disappointing compared to 93-NK. Engine vibration bad. 18.1.25 | BJ. | 39 | 2017 | Engine misfiring - carburation erratic. 19.1.25 | BJ. Mr.Sidgreaves | 120 | 2137 | BJ2/19.1.25. CWB1/EP{G. Eric Platford - Chief Quality Engineer}19.1.25. Cx{Major Len W. Cox - Advertising Manager}3/LR{Mr Ellor}19125. 20.1.25 | PN.{Mr Northey} | 54 | 2191 | 21.1.25 | PN.{Mr Northey} CWB. | 172 | 2363 | 21.1.25 | 23.1.25 | Expl: | 220 | 2583 | 25.1.25 | E.{Mr Elliott - Chief Engineer} Expl: | 149 | 2732 | Power good at slow speeds - brakes fierce, body booms - steering stiff. 26.1.25 | Expl: | | | Clutch pedal pressure 47 lbs. 30.1.25 | Expl: BJ. | 210 | 2942 | BJ5/H26.1.25. contd :- | ||