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).
Bonnet materials, riveting specifications, and concerns about rust prevention.
| Identifier | ExFiles\Box 119\3\ scan0127 | |
| Date | 26th June 1931 | |
| Evl/26.6.31 contd. -2- In the new thick metal it may be different. Also we suggest that you use the riveting sent to you for the thick bonnet N.Sch.3294, so reducing the rivets to eight per shutter. We are not certain whether we should be very happy with steel flaps in the aluminium panel, as we still do have a few polished bonnets and there is also the question of the prevention of rust. This our coachbuilders could not cure on steel wings. Ev.{Ivan Evernden - coachwork} | ||