Diagrams and calculations for interference in involute teeth for a sun wheel and planet pinion.
| Identifier | ExFiles\Box 28\5\ Scan106 | |
| Date | 28th April 1919 guessed | |
| 190 H.P. Sun Wheel & Planet Pinion Interference in involute teeth .021" .020" .007" .0075" D .0025" 51 teeth. 102 mm dia. 2 module Addendum circle Addendum circle 24 teeth 48mm dia. 2 module OB = 6.01 mm OA = 6.49 mm Pitch point OE = 5.66 mm Pitch circle Base circle AE = 12.15 mm BE = 11.67 mm hence normal pitch = 12.17 mm 11.67 .50 | ||
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).