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).
Log detailing the total running hours of fittings on a bumper chassis.
| Identifier | ExFiles\Box 119\2\ scan0127 | |
| Date | 12th January 1921 | |
| HS{Lord Ernest Hives - Chair} X1381 TOTAL HRS. RUN OF FITTINGS ON BUMPER CHASSIS UP TO 12.1.21. Units. Hrs. run. Front & Rear Axle from 27.1.20 605 hrs. 25 mins. Frame from 23.11.20 103 " 10 " Radiator from 3.8.20 500 " 10 " burst 4.12.20 433 " 55 " Front cross member from 23.11.20 103 " 10 " 2nd. " " " 23.11.20 103 " 10 " 3rd. " " " 19.10.20 162 " 35 " Rear " " " 22.11.20 103 " 10 " Engine suspension brackets from 17.9.20 233 " 50 " Steering pad from 23.11.20 103 " 10 " Bell crank levers from 23.11.20 103 " 10 " Engine 27.1.20 - 605 " 25 " Front Shock Absorbers 30.4.20 - 266 " Tie rod brackets O.S. rear and N.S. front from 23.11.20 103 " 10 " Steering Box modernized and new Pendulum from 7.5.20 - 480 " 55 " ------------------- Bumped on Front - 30.4.20 to 11.5.20 - 32 hrs. 17.9.20 to 12.1.21 - 234 hrs. Bumped on Rear - 27.1.20 to 22.4.20 - 100 hrs. 40 mins. 13.5.20 to 28.8.20 - 238 hrs. 55 mins. ------------------- | ||