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).
Summary of faults found during a 10,027 miles test on Chassis 10-G-111.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan130 | |
| Date | 3rd May 1926 | |
| CHASSIS 10-G-111. Summary of faults during the 10,027 miles test. Carried out from the 2.4.26 to the 3.5.26. Tested at. | Miles run. | Total mileage. | REMARKS. Chateauroux. | 1513 | 1513 | Lug on tie rod bracket for battery box stay broken. " | 1939 | 1939 | Rear battery box brkt. damaged and bolts broken causing damages to battery and box. New brkt. fitted. " | 2357 | 2357 | Cambridge thermometer tube broken where same is attached to dashboard. " | 1566 | 3505 | Rear battery bracket top bolt holding bracket to frame broken bottom corner of bracket cracked. " | 4755 | 4755 | Flange on exhaust pipe broken off. " | 5755 | 5755 | Side spare wheel brkt. broken off where tube enters socket attached to frame. " | 6425 | 6425 | Both side lamp wires broken underneath wings. " | 7526 | 7526 | Front body bolt holding same to subframe broken. Rear N.S. spring top leaf cracked half way across. 5 3/8 rear of centre bolt. also 5th. leaf broken right across 2 3/8 rear of centre bolt. " | 2771 | 7526 | Flange on exhaust pipe broken. " | 8776 | 8776 | Thrust race to bevel pinion in rear axle given out. Rear O.S. spring 5th. leaf cracked. " | 9276 | 9276 | O.S. front shock damper broken. " | 10027 | 10027 | Bottom lugs of steering column flange cracked. " | 10027 | 10027 | TOTAL MILEAGE. | ||