Modification to the B.80 fan pulley, changing it to a two-part welded construction.
| Identifier | ExFiles\Box 124\1\ scan0030 | |
| Date | 3rd March 1939 | |
| BY {R.W. Bailey - Chief Engineer} /NS. {Norman Scott} c. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /Smdl. c. ROY {Mr H. Royce - Buyer} /Les. 10HH DA. {Bernard Day - Chassis Design} 6/G.3.3.39. FJH {Fred J. Hardy - Chief Dev. Engineer} B.80. MODIFIED FAN PULLY CONSTRUCTION. Please receive herewith E.CD.1240 Built-up Fan Pulley. B.80. In view of the difficulty experienced by ROY {Mr H. Royce - Buyer} /Les. in finding anyone who would/be able to produce the fan pulley in the form shown on FD. {Frank Dodd - Bodies} 260, we have altered the pulley making it in two parts welded together, one part being a pressing and the other a spinning. The thickness of the material to remain at 16.SWG. for the time being. Will you please detail and instruct for the experimental B.80 engines. DA. {Bernard Day - Chassis Design} | ||
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).