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).
Graph showing the Gap-Make Ratio Curve for a standard Goshawk distributor at a constant speed of 700 R.P.M.
| Identifier | WestWitteringFiles\L\2April1924-June1924\ Scan148 | |
| Date | 14th October 1934 | |
| GAP-MAKE RATIO CURVE. OF STANDARD GOSHAWK DISTRIBUTOR. RUN AT A CONSTANT SPEED OF 700 R.P.M. MAKE RATIO. PRIMARY GAP (10^-3 INS) POINTS A AND B REPRESENT THE LIMITS GIVEN IN THE PRODUCTION SPECIFICATION FOR THE PLATINUM GAP SETTING. H.F.W. 14-10-34 | ||