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).
Graph showing fluid flywheel slip at full throttle for an 18 HP Lanchester car.
| Identifier | ExFiles\Box 22\3\ Scan104 | |
| Date | 7th March 1932 | |
| ROAD SPEED (M.P.H.) ENGINE R.P.M. SLIP ACTUAL ENGINE R.P.M. TOP GEAR - DIRECT DRIVE (4.85:1) 3457 R.P.M @ 60 M.P.H. 18 H.P LANCHESTER CAR FLUID FLYWHEEL SLIP AT FULL THROTTLE 7.3.32 | ||