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).
Hand-drawn schematic of a blower drive arrangement for an Allison engine.
| Identifier | ExFiles\Box 173\1\ img198 | |
| Date | 3rd February 1934 guessed | |
| CURTIS CONQUEROR IS SIMILAR FOR BLOWER BUT DOUBLE HELICAL TYPE REDUCTION GEAR ARRANGEMENT OF ALLISON REDUCTION GEAR & BLOWER DRIVE WHICH IS TAKEN FROM FRONT OF ENGINE AND PERMITS BLOWER BEING DROPPED BELOW CRANK CENTRE MAIN OIL MANIFOLD FEEDS THRO AUX DRIVE SHAFT BLOWER DRIVE SHAFT SPEED 9500 RPM EXTERNAL GEAR FOR BLOWER DRIVE OF ALLISON Y BLOWER DRIVE | ||