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).
Cost breakdown for gearbox testing and considerations for increasing capacity.
| Identifier | ExFiles\Box 75\1\ scan0028 | |
| Date | 3rd May 1912 | |
| R.R. 475 (100 H) (X 896. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person addressed. DATE. 6 men working 54 hours per week and overtime each night except Monday. say at 35/- per week. 210/- 10 miles on track per box, 5 boxes per day being sent from works to test, erect, and if unsatisfactory, return. charge for petrol and tyres at the rate of 3d per mile. 225/- 20 miles on dynamometer 4 boxes per day, same rate as above, ie 3d per mile 120/- Total cost per week under present conditions. £27/15/- In addition to the fact that the above would be increased three times the capacity of the dynamometer shop would have to be increased, and also the number of cars for testing gear boxes proportionately increased, then again the point of running gear boxes on customers cars would have to be considered if the amount of gear box testing were increased to this extent, as of the cars on test This sheet must be filed with the correspondence to which it refers. | ||