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).
Sketches illustrating issues with a starter motor pinion engagement mechanism.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 208 | |
| Date | 29th June 1927 | |
| SKETCH N°1 N°1a N°1b FLYWHEEL SKETCH N°2 SPRING WHEN COMPRESSED .250 AS SHOWN, IS NOT SUFFICIENTLY STRONG TO FORCE PINION TEETH INTO ENGAGEMENT WITH FLYWHEEL. SKETCH N°3 MAIN SPRING WHEN COMPRESSED .100 AS SHOWN IS WEAK. THIS, IN CONJUNCTION WITH POOR CORK, PRODUCES SLIP AT FACE 'C'. SKETCH N°4 CASING FULLY DRAWN IN. SPRING 'A' BEING WEAK, IS OVERCOME BY SPRING 'B' THEREBY HELPING TO FORCE PINION OUT OF ENGAGEMENT WITH FLYWHEEL HAVING WORN TEETH. ROLLS-ROYCE, LIMITED. PRINT ROOM 29 JUN 1927 DS/SLS | ||