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).
Three graphs comparing braking performance curves for a 14 HP Sports Delage, a 12-25 HP Vermorel, and an 11-24 Lagonda.
| Identifier | ExFiles\Box 32\2\ Scan069 | |
| Date | 23th March 1925 | |
| Graph A: A.{Mr Adams} The Motor 3/2/25 ROAD SPEED M.P.H. TIME TO REST SECS TIMES WHICH WOULD CORRESPOND WITH DISTANCES GIVEN 14 H.P. SPORTS DELAGE BRAKING CURVE ROAD - TARRED CONCRETE DRY Data points: 26 Ft, 42 Ft, 78 Ft, 130 Ft, 156 Ft Graph B: B. The Motor 17/2/25 ROAD SPEED M.P.H. TIME TO REST SECS VERMOREL 12-25 H.P DRY CONCRETE Data points: 4 FT 3", 12 FT 6", 29 FT, 75 FT, 127 FT Graph C: C. The Motor 3/2/25 ROAD SPEED M.P.H. TIME TO REST SECS TIMES WHICH WOULD CORRESPOND WITH DISTANCES GIVEN LAGONDA 11-24 BRAKING CURVE ROAD DRY TAR Data points: 8 Ft, 30 Ft, 70 Ft, 110 Ft Bottom Right Corner: 23/3/25 6 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Hesketh | ||