Typed note with a handwritten correction discussing the effect of wind pressure on performance curves.
| Identifier | ExFiles\Box 113\2\ scan0092 | |
| Date | 6th April 1925 | |
| - 2 - BY4/H. 6.4.25. [Handwritten annotation] straighten If we now consider wind pressure, the effect would be to [strikethrough]invert[/strikethrough] the curve at high speed but leave it exactly the same but nearer origin for below 25 MHP. [Handwritten signature] By [Watermark] HERCULES LEDGER [Watermark] 1904 [Watermark] DICKINSON BOND | ||
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).