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).
Successfully fitting a hydraulic brake damper to a Bentley II to resolve brake thumps and requesting more parts.
| Identifier | ExFiles\Box 146\5\ scan0171 | |
| Date | 9th June 1939 | |
| 1245 To Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} Derby Copy to Bv " Hd.{Mr Hayward/Mr Huddy} " DA.{Bernard Day - Chassis Design} " Mx.{John H Maddocks - Chief Proving Officer} " D/BP. " GWH.{George W. Hancock - Head Chateauroux} " Levallois Sr/VA9/ET.9.6.39. Please arrange Rm{William Robotham - Chief Engineer} Re: BENTLEY II - BRAKE THUMPS. 206 With reference to Rm{William Robotham - Chief Engineer}/AFM{Anthony F. Martindale}4/JH.23.1.39 and Rm{William Robotham - Chief Engineer}/AFM{Anthony F. Martindale}5/MH{M. Huckerby}2539, we fitted the hydraulic "Bentley II Brake Damper" "Scheme GCD.1231) sent to us as per your Rm{William Robotham - Chief Engineer}/AFM{Anthony F. Martindale}4/MH.{M. Huckerby}2.5.39 to Sr.'s car (B.6.MR). Prior to fitting the damper, brake thumps were very pronounced on this car and, after fitting the damper, they completely disappeared. Sr. is very pleased with the results obtained and also maintains that, apart from thumps, the brakes are generally better. The car has now covered 4,369 Kms. since we fitted the above parts. Will you kindly arrange to have 6 sets of parts (damper plus necessary fixing brackets etc..) prepared and then sent to us. We attach to D/BP.'s copy of this memo our official order No 3030. Sr/VA. Vd | ||