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).
The cost versus benefit of a modified sound insulation scheme for Bentley and 25/30 HP cars.
| Identifier | ExFiles\Box 138\1\ scan0284 | |
| Date | 4th June 1937 | |
| Ev.{Ivan Evernden - coachwork} at W. Copy to E.{Mr Elliott - Chief Engineer} " " Da.{Bernard Day - Chassis Design} " " LA.{L. A. Archer} " " JLB. " " Rm.{William Robotham - Chief Engineer} " " By/NW.{N. Walker - Patents} " " Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} Wyman. 7160 What do you think of Ev{Ivan Evernden - coachwork}'s scheme? Rm{William Robotham - Chief Engineer} Sound Insulation The Bentley and 25/30 H.P. R.R. cars on which have been fitted the modified sound insulating schemes as recommended by you have been tried by C. and Cx.{Major Len W. Cox - Advertising Manager}, who consider the advantages to be gained do not justify the extra cost of the scheme which coach-builders estimate to be between £2 and £3 per car. Rm{William Robotham - Chief Engineer} This was started by our complaint that coachbuilders were not making a Hn.{F. C. Honeyman - Retail orders} job of the sound insulation. We do not agree with sales findings. Rm{William Robotham - Chief Engineer}/FD{Frank Dodd - Bodies} | ||