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).
Converting a Spectre (34-EX) to rubber body mounting to reduce tyre noise, and a note on a redesigned oil cooler.
| Identifier | ExFiles\Box 91\1\ scan0184 | |
| Date | 3rd January 1936 guessed | |
| (sheet 4) fitted up with rubber body mounting and with rubber shackles on the rear springs. A report from the Experimental Department on the results is to be circulated. In the meantime the brown limousine SpectreCodename for Phantom III (34-EX) is being converted to rubber body mounting by Park Ward's, and instructions are being prepared for circulation to coachbuilders to cover the adoption of rubber body mounting in the event of agreement being reached that it is the right course to take. Design are investigating the design of a rubber pad between the road spring and the rear axle as used by Cadillac and others to cure tyre noise. (15) Oil Cooler. Has been re-designed on Buick lines, and has yet to be tested. E/Lid.{A. J. Lidsey} | ||