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).
Test report log detailing troubles, mileage, and remedies for a 98-NK car with stiffer front springs.
| Identifier | ExFiles\Box 73\3\ scan0266 | |
| Date | 11th December 1924 guessed | |
| SHEET 12. TEST NO. X. WOODHEADS 12 1/2% STIFFER FRONT SPRINGS - 98-NK CAR. TROUBLES. MILEAGE. CAUSE OR REMEDY. Brakes completely out of action. 629 Car run over branch of tree; undershield bumped up on to brake rods. Folberth Windscreen wiper failed. Unknown. Worn out. Autovac suction pipe broken. 1,876 Pipe too long, fouling magneto wire carrier clip. Servo jaggers occasionally. Main cyl. extra oil pipe broken. 3,639 Electrical system failed. 4,370 Insulation of main battery cables cut through by metal valence. Exhaust manifold cracked. 5,152 Dowel holes not large enough to allow for expansion of manifold. Step iron broken. 5,667 Battery and spare petrol carried on running board. Main cyl. extra oil pipe broken. 6,412 N.S. front springs(bottomleaf)broken. 7,132 Wooden bushes in Hartford shock absorbers failed. 10,747 Throttle governor seized up. 8,801. MILEAGE OF TEST 10,001 - AVERAGE SPEED 37 m.p.h. Front brake toggle actuating shafts badly worn - Rattle badly. Bottom pivot bushes badly worn. | ||