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).
Test report on the effectiveness of wing flaps as mudguards following testing at Brooklands track.
| Identifier | ExFiles\Box 47\3\ Scan270 | |
| Date | 11th November 1931 | |
| - 2 - EP{G. Eric Platford - Chief Quality Engineer}2/H11.11.31. with the idea of making the wings more effective as mudguards. As a matter of fact, the front mudguards seem very effective without these flaps down. When testing on Brooklands track they were difficult to hold down. The last test was taken with these flaps down, but unfortunately one blew back and could not be held down. EP.{G. Eric Platford - Chief Quality Engineer} | ||