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).
Page of mathematical equations and derivations from a larger document.
| Identifier | ExFiles\Box 52\1\ Scan179 | |
| Date | 31th January 1929 guessed | |
| -3- Contd. Since the rate W/d = (Cd⁴)/(8 D³n) is given and C is fixed and D is given n ∝ d⁴ Actually n = C/(8 D³ R) . d⁴ so that if we say n d = L' we have C/(8 D³ R) . d⁵ = L' or d = ⁵√((8D³RL')/C) __________ EFC. {E. Fowler Clarke - Electrical Engineer} | ||