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).
Blueprint detailing an Allison reduction drive and external gear for a blower drive.
| Identifier | ExFiles\Box 173\1\ img180 | |
| Date | 20th January 1934 guessed | |
| ALLISON REDN. DRIVE EXTERNAL GEAR FOR BLOWER DRIVE BLOWER DRIVE SHAFT SPEED 9500 RPM MAIN OIL MANIFOLD - FEEDS THRO AUXILIARY DRIVE SHAFT ARRANGEMENT OF ALLISON REDUCTION GEAR AND BLOWER DRIVE WHICH IS TAKEN FROM FRONT OF ENGINE AND PERMITS BLOWER BEING DROPPED BELOW CRANK CENTRE CURTIS CONQUEROR IS SIMILAR FOR BLOWER BUT HAS DOUBLE HELICAL REDUCTION GEAR | ||