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).
The alteration of speedometers for Phantom II cars with specific tyres and wheels.
Identifier | ExFiles\Box 59\2\ Scan040 | |
Date | 24th June 1930 | |
XC4308 Mx.{John H Maddocks - Chief Proving Officer} c. Nor. c. Hs.{Lord Ernest Hives - Chair} c. EP.{G. Eric Platford - Chief Quality Engineer} BY/Cgh{W Clough}15/G.24.6.30. RE PHANTOM 11 SPEEDOMETERS. ------------------------ With reference to Mx{John H Maddocks - Chief Proving Officer}3/T.23.6.30. we have requested the Order Office to arrange for the speedometers to be fitted on Phantom 11 cars equipped with 20" x 7" tyres on 20" diameter wheels to be calibrated for a speed of 810 revs. per mile, and that this alteration should take effect as quickly as possible. BY/Cgh.{W Clough} | ||