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 of internal communications regarding the preparation of a car for a Tourist Trophy event, detailing specifications for tyres, engine, and endurance testing.
| Identifier | ExFiles\Box 90a\3\ Scan011 | |
| Date | 6th June 1935 | |
| ③. DATE | TO | FROM | COMMENTS 6.6.35 and 11.6.35 | Rm{William Robotham - Chief Engineer} | Hall. | Letters saying that in consultation with Dunlop he has had to standardise to run on 6.50 x 19 (instead of 6.50 x 18) on the rear and 5.50 x 19 (instead of 5.50 x 18) on front. 12.6.35 | RHC{R. H. Coverley - Production Engineer} | Rm.{William Robotham - Chief Engineer} | Note asking for an endurance test at the new power rating (new head). 12.6.35 | Hall | Rm.{William Robotham - Chief Engineer} | Reply to GB11.6.35. discusses gear ratios for the T.T. to be used in conjunction with Hall's choice of Tyres, and concludes the car will be either under or overgeared with the two choices of ratio available. 12.6.35 | Hd.{Mr Hayward/Mr Huddy} | Sg.{Arthur F. Sidgreaves - MD} | Authorises Service dept. to prepare car for T.T. 12.6.35 | Hall | Sg.{Arthur F. Sidgreaves - MD} | Tells Hall of this authorisation. 13.6.35 | RHC{R. H. Coverley - Production Engineer} | HS{Lord Ernest Hives - Chair}/C. Sect. | Asks for Head to be machined for 75cc comb. chamber vol. for fitting to endurance test. 27.6.35 | Hd{Mr Hayward/Mr Huddy} | Sg.{Arthur F. Sidgreaves - MD} | Informs him that car will be in next week and a Ratcliffe (the "best man") will be loaned for five days. 2.7.35 | Exptal Motor | Rm{William Robotham - Chief Engineer} | Asks for details of "Motor" excursions to T.T. 2.7.35* | RHC{R. H. Coverley - Production Engineer} | HS{Lord Ernest Hives - Chair}/Grg. | Spec for T.T. engine. Basically as 1934 except for head carbs and induction manifold. 3.7.35 | Hall | Rm.{William Robotham - Chief Engineer} | Detailed arrangements on car preparation. 3.7.35 | Hd.{Mr Hayward/Mr Huddy} | Rm.{William Robotham - Chief Engineer} | Informs Hd{Mr Hayward/Mr Huddy} of details - 3.7.35. 4.7.35 | Rm{William Robotham - Chief Engineer} | "Motor" | Replies to 2.7.35. 4.7.35 | Rm{William Robotham - Chief Engineer} | Hall. | Replies to 3.7.35. 4.7.35 | Rm{William Robotham - Chief Engineer} | RAC. | Sends copy of T.T. regs and agrees that standard air intake filters need not be fitted. 6.7.35* | Sg{Arthur F. Sidgreaves - MD} | H.S. | Shows Sg{Arthur F. Sidgreaves - MD} what has been achieved (power curve) and complains that he (HS{Lord Ernest Hives - Chair}) would have liked more than one car entered. 8.7.35 | Hall | Rm.{William Robotham - Chief Engineer} | Replies to 4.7.35 (Details). | ||