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).
Accelerometer test record graph showing performance on a chassis test rig.
| Identifier | ExFiles\Box 113\2\ scan0134 | |
| Date | 24th April 1928 | |
| 81 - F.H. Inside No. 40/50 Passengers... M.{Mr Moon / Mr Moore} Maddocks, M.{Mr Moon / Mr Moore} Wyer ACCELEROMETER RECORD Date 24-4-28 Axle ratio 15/52 Type of body Chassis. Test rig. Weight unladen Total 47 cwts Road conditions Dry, smooth, level, London Rd, Derby Graph data: 5.1 3rd 6.0 2nd 6.9 1st 6.5 1st ignition not fully advanced From 10 M.P.H. 2.9 at 40 3.2 at 30 3.6 at 20 3.8 ft sec/2 Top gear from 10 MPH 10 MPH 16.1 20 MPH 16.1 30 MPH 16.4 at 40 MPH 16.6 ft sec/2 | ||