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).
Blueprint sketches illustrating issues with a spring-loaded pinion gear and flywheel engagement.
| Identifier | ExFiles\Box 56\4\ Scan091 | |
| Date | 29th June 1927 | |
| FLYWHEEL SKETCH Nᵒ1 Nᵒ1.a Nᵒ1.b SKETCH Nᵒ2 SPRING WHEN COMPRESSED .250 AS SHOWN, IS NOT SUFFICIENTLY STRONG TO FORCE PINION TEETH INTO ENGAGEMENT WITH FLYWHEEL. SKETCH Nᵒ3 MAIN SPRING WHEN COMPRESSED .100 AS SHOWN IS WEAK. THIS, IN CONJUNCTION WITH POOR CORK, PRODUCES SLIP AT FACE 'C'. SKETCH Nᵒ4 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. 29 JUN 1927 DERBY | ||