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).
Comparison of different brake distribution setups and calculations for sports car applications.
| Identifier | ExFiles\Box 66\5\ scan0138 | |
| Date | 14th December 1927 | |
| X8420 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/LG14.12.27 BRAKE DISTRIBUTION 10-EX. X8420 X8840 (A) V.{VIENNA} series braking with new type axle. G.74666 2.5" G.73149 3" } 40.5% to front. (B) Reduced front braking. G.74666 2.5" G.73149 4.0" } 33.0% to front. (C) Sports car front braking. G.74666 2.78" G.73149 3.00" } 45% to front. Probable sports car wt. distribution :- Front 18 cwts. 45% Rear 22 cwts. 55% Increase in total braking units available on sports car over (A) = 4.5% --------- Actual sports car. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} G.74666 3.00" Units to front 990 Units to rear 1210 Increase in units = 8.4% } | ||