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).
Report analyzing brake wear tests on a car with hydraulic front and Girling rear brakes.
| Identifier | ExFiles\Box 141\2\ scan0324 | |
| Date | 23th January 1940 | |
| -5- Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}6/JH.23.1.40. Brakes on 33.G.VII. Hydraulic Front Girling rear. This car is being run by Hs.{Lord Ernest Hives - Chair} and his Chauffeur and is an ideal comparative test with customers conditions. We shew below the speed of brake wear - FRONT REAR n.s. o.s. n.s. o.s. notches. First - 853 miles. 1 1 3 3 " Following - 1,416 1 1 3 3 " Following 1,558 0 0 4 4 " From these figures it will be seen that the ratio of wear is badly out of proportion. This car is fitted with alum. drums and has the feeling of wanting more front braking. Car weight 40 cwts. 1 qr. 0 lbs. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||