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 analysis report for different types of lorries, detailing running costs, depreciation, and overall cost per mile.
| Identifier | ExFiles\Box 158\3\ scan0046 | |
| Date | 19th February 1940 | |
| TM/MW 19th February 1940. Index No Type Mileage Petrol & Oil Wages Repairs Tax & Insur: Total Cost per Mile HPE848 Carrimore 23,000 121 0 11 205 18 4 4 19 2 60 3 6 392 1 11 4.09d. GPK855 " 24,000 129 3 8 199 6 4 - - - 60 3 6 388 13 6 3.88d. FPG591 1½ tons 19,000 34 5 2½ 129 1 10½ 2 4 3 34 15 0 228 4 5 2.88d. GPL41 1½ tons 20,000 77 13 9 195 12 11½ 1 0 9 32 3 0 306 15 6 3.69d. GPL45 3 ton 20,000 94 9 11 196 10 5 1 8 7 40 18 0 333 6 11 4.00d. Assuming average life of each lorry to be 4 years, and allowing one quarter of cost for depreciation for one year, increase as follows:- Index No. Mileage ¼ Cost Increase per Mile Running Cost Total. HPE848 23,000 119 3 9 1.24d. 4.09d. 5.33d. GPK855 24,000 116 5 0 1.17d. 3.88d. 5.05d. Average for Carrimores 5.19d. FPG591 19,000 59 8 0 .75d. 2.88d. 3.63d. GPL41 20,000 69 5 0 .83d. 3.69d. 4.52d. Average for 1½ Tonners 4.08d. GPL445 20,000 94 9 6 1.13d. 4.00d. 5.13d. Average for 3 Tonners 5.13d. ENCLOSURE NO 2 "JUSTSO" | ||