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).
Modifications for the Spectre Gearbox, concerning speedometer drive parts and gear clearances.
Identifier | ExFiles\Box 94\1\ scan0016 | |
Date | 14th June 1934 | |
Handwritten: 325 HDY.{William Hardy}8/HP.14.6.34. To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy} c.c. Mr H.S. Mr. WHC. [This text is crossed out] SpectreCodename for Phantom III Gearbox. We send you herewith N. Sch. 4091 which shows increased lightening of one of the speedometer drive pieces and also asks for a L.H. thread for the spiral gear nut. We also send N. Sch.4093 to show how clearance should be provided for the 1st speed wheel and how collar nuts on the I and 3rd S.M. split sleeve will give clearance for the reverse gears. HDY.{William Hardy} | ||