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).
Drumming noise in a 20 HP Landaulet trials car, postponing bodywork experiments pending an exhaust investigation.
| Identifier | ExFiles\Box 41\3\ Scan217 | |
| Date | 25th November 1922 | |
| X. 3730 S/W Hs.{Lord Ernest Hives - Chair} Spl/H25.11.22. 20 HP. LANDAULET TRIALS CAR X.4238 X.3730 BJ. has complained about a drumming noise heard in the 20 HP. Landaulet body and wishes us to carry out some experiments in connection with the body work to overcome this trouble. We have however been instructed to hold up such experiments until you have completed your investigations in connection with the supposed noisy exhaust on these cars. Will you please keep us advised on this matter and say when you think we can take this landaulet as being correct from your point of view. We understand it will be shortly returned to you at Derby. Sp.{Mr Spinney} | ||