Logging troubles and remedies during a test on a 9-PK car's clutch servo.
| Identifier | Morton\M20.3\ img040 | |
| Date | 25th September 1924 | |
| SHEET 4. ORIGINAL W.W. PLATE CLUTCH SERVO: 9-PK CAR. TEST NO. 111. COLUMN HEADERS: REF:, Expl. No., TROUBLES, Mileage, CAUSE OR REMEDY ROW 1: TROUBLES: Car in accident - rear axle and petrol tank damaged, body badly damaged. Mileage: 1374 CAUSE OR REMEDY: Repaired in Paris. ROW 2: TROUBLES: Steering heavy and bad for road shocks. Mileage: CAUSE OR REMEDY: Pivots not getting sufficient lubrication (re-designed) Later type side steering tube springs improved shocks. ROW 3: TROUBLES: Brakes very consistent - require excessive pressure. P.W.B's jugger - brake application affects steering. Mileage: CAUSE OR REMEDY: Braking system discarded. ROW 4: TROUBLES: Exhaust manifold cracked. Exhaust down pipe fouled by dynamo coupling. Exhaust throttle sticks. Mileage: 3991 CAUSE OR REMEDY: Exhaust system re-designed to overcome these troubles. ROW 5: TROUBLES: Oil on front brakes from toggles. Mileage: CAUSE OR REMEDY: Toggle shafts fitted with oil baffles on later cars. ROW 6: TROUBLES: A.T. speedometer failed. Mileage: 3972 CAUSE OR REMEDY: ROW 7: TROUBLES: 3 side steering tube springs broken. Mileage: 3747, 3971 CAUSE OR REMEDY: Later type springs completed 10,000 miles successfully. ROW 8: TROUBLES: 2 exhaust valves burnt out. Mileage: 3228, 3289 CAUSE OR REMEDY: Old type valve. ROW 9: TROUBLES: Steering arm bolts stretched. Mileage: 6107 CAUSE OR REMEDY: Small dia. bolts. ROW 10: TROUBLES: Valve spring broken. Mileage: 5679 CAUSE OR REMEDY: ROW 11: TROUBLES: Windscreen frame broken - Wing stay broken - two spare wheel carrier broken. Mileage: CAUSE OR REMEDY: FOOTER: TOTAL MILEAGE OF TEST - 12,868 EXPERIMENTAL REPORT. R.R. 493a (50m) (D.B. 173 25-9-24) J.H.D. | ||
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).