Speedometer revolutions per mile for a 40/50 HP car, requesting a correction to a drawing.
| Identifier | ExFiles\Box 165\4\ img231 | |
| Date | 2nd January 1934 | |
| By {R.W. Bailey - Chief Engineer} /CGH. {W Clough} From Hs {Lord Ernest Hives - Chair} /Wst. 81807 Hs {Lord Ernest Hives - Chair} /Wst.4/MA.2.1.34. 40/50 HP. SPEEDOMETER. With reference to the above we have already rolled a 40/50 car with 19" x 7" tyres and the road wheel revs per mile are 640. For the 12/41 axle this gives a speedometer revs per mile figure of 789 and for the 14/41, 860. Will you please arrange to correct drawing D73749 accordingly. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).