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).
Vibration and sound issues related to horn mountings on the Japan and Peregrine car models.
| Identifier | ExFiles\Box 59\3\ Scan184 | |
| Date | 12th July 1932 | |
| X1069 E.{Mr Elliott - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. c. By.{R.W. Bailey - Chief Engineer} c. DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork} Hs{Lord Ernest Hives - Chair}/Wst.2/MA.12.7.32. HORN MOUNTINGS. The electric high frequency horns on both the Japan and Peregrine cars sound very badly inside the closed car due we consider, to the front apron transmitting the vibration. Apparently neither of these aprons is sufficiently rigid to allow the horn bracket to be screwed to them. We think it is important that the apron should be left free from the horn mounting and the existing bracket made as rigid as possible otherwise we shall lose sound efficiency and cause annoyance inside the car. Hs{Lord Ernest Hives - Chair}/Wst. | ||