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 plotting wind speed versus car speed at various measurement positions in front of a Bentley radiator.
| Identifier | ExFiles\Box 87\1\ scan0126 | |
| Date | 6th October 1934 | |
| FIG. 1 WIND SPEEDS IN FRONT OF BENTLEY RADIATOR - BONNET ON AIR SPEEDS TAKEN AT POSITIONS SHOWN PITOT TUBE 5 1/2" IN FRONT OF MATRIX TAKEN ON B23.A.E. SHUTTERS FULL OPEN WIND SPEED - M.P.H. CAR SPEED - M.P.H. POSITION ① BUT BEHIND THE SHUTTERS A NEGATIVE WIND SPEED WAS RECORDED AT POSITION ② F.LL.S. 6. X. 34. | ||