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).
T.T. Bentley performance tests at Brooklands, detailing two car setups and lap speeds.
| Identifier | ExFiles\Box 90a\6\ Scan140 | |
| Date | 20th October 1936 | |
| To Rm.{William Robotham - Chief Engineer} 262 Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}10/KW.20.10.36. T.T. Bentleys at Brooklands - Oct. 19th 1936. to Vickers. Very strong cross wind from Railway Straight B-35-AE. Race Car No.7. This car was fitted with Unit No. N9BT{Capt. J. S. Burt - Engineer}, complete with exhaust system (2 5/8" dia. bore). No headlamps. Fan belt removed. New tyres fitted on rear, 19 x 6.50 India. 1 lap at 1 - 49.2/5 = 91.05 M.P.H. 1 " " 1 - 33.4/5 = 106.19 " 1 " " 1 - 33.2/5 = 106.65 " } MEAN 106.57 1 " " 1 - 33.1/5 = 106.88 " 1 came in. Total running 5 laps. B-106-GA. Practice Car 'A'. This car was fitted with Unit No. B-21 complete with exhaust system (2 1/4" dia. bore) Marchal headlamps. Fan belt removed. All tyres and wheels interchanged with B-35-AE. 19x6.50 India on rear. This was carried out for the benefit of Mr. Young, India Co's representative. 1 lap at 1 - 45 approx. 1 " " 1 - 33.2/5 = 106.65 M.P.H. } 1 " " 1 - 33 = 107.1 " } 107.34 1 " " 1 - 32 = 108.27 " 1 came in. Total running 5 laps. | ||