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).
Test report for Race Car No. 7, detailing performance, lap times, and tyre changes.
| Identifier | ExFiles\Box 155\1\ scan0263 | |
| Date | 5th October 1936 | |
| -2- Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}10/KW.5.10.36. B-35-AE. Race Car No.7. No headlamps, fan belt removed. The exhaust tail pipe bore on this car was only 1 3/8" dia. This exhaust system was disconnected in the centre on the track; i.e. at the front end of the exhaust box, and all tests carried out in this condition. 4 laps not timed. Came in with tread parting from the O.S.R. tyre. Changed over to 19" x 6.00" at rear and 18" x 5.50 at front. 1 lap at 1 - 35 = 104.85 M.P.H. 1 " " 1 - 34.1/5 = 105.72 M.P.H. 1 " " 1 - 34 = 105.97 M.P.H. (set rich) 1 " " 1 - 34 = 105.97 M.P.H. Total running 10 laps (4 timed). Summary of Results :- 'A' (practice) car, fastest lap = 108.98 M.P.H. No.7 (race) car, " " = 105.97 M.P.H. 'A' car with 19 x 6.50" tyres, max. R.P.M. 4500. No.7 car " 19 x 6.00" " " " 4300. Hs{Lord Ernest Hives - Chair}/G.H.Ratcliffe. | ||