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).
Notes on a trial run and race performance for car T.T. No. 4 after an engine overhaul.
| Identifier | ExFiles\Box 147\5\ scan0029 | |
| Date | 9th June 1906 | |
| X459 3800.(2200) [2200 is struck out] No4 40523 TT No 4. 25 finis Trial run by E Platford on above car after overhauling etc. June 9th 1906. 2 5/8 - 4 ring pistons. New cylinders. White metal bearings. Not running for consumption. (over Cat + Fiddle.) 26.6. miles per gallon. 4 up. (Magneto + battery ignition). Engine very powerful 2760 [struck out] weight about 2850 lbs. total = 34 ton miles per gallon. T.T. race 1906. No 4 car. 162 miles on 6.368 gals = 30.75 (all others higher) wt tc 38. | ||