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).
Data sheet appendix specifying standard dimensions for starting motors from various manufacturers.
| Identifier | ExFiles\Box 61b\3\ scan0179 | |
| Date | 1st December 1924 | |
| STANDARD X543 I.A.E. Data Sheet No. 116. S.M.M. & T. Provisional APPENDIX Starting Motors Dimensions for [Stamp: THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD. STANDARDS DEPARTMENT] S.M.M. & T. Provisional Standard No. 17. 8602 Dimensions for Starting Motors. (December, 1924.) THE FOLLOWING FIRMS MANUFACTURE AND SUPPLY FROM STOCK IN ACCORDANCE WITH THE STANDARDS AS INDICATED. WITH SADDLE MOUNTING. Inboard Installations. Diameter of Yoke. | | 3½in. | 4⅛in. | 4½in. | 5in. | |---|---|---|---|---| | “DELCO-REMY” .. .. | - | Yes | Yes | Yes | | “LUCAS” .. .. .. | Yes | Yes | Yes | Yes | | “M.C.L.” .. .. .. | Yes | Yes | Yes | Yes | | “MILLER” .. .. .. | Yes | Yes | Yes | Yes | | “ROTAX” .. .. .. | Yes | Yes | Yes | Yes | | “SMITH” .. .. .. | Yes | Yes | Yes | Yes | | “C.A.V.” .. .. .. | Yes | Yes | Yes | Yes | WITH FLANGE MOUNTINGS. Diameter of Yoke. | | 3½in. | | 4⅛in. | | 4½in. | | 5in. | | |---|---|---|---|---|---|---|---|---| | | Inboard Installations. | Outboard Installations. | Inboard Installations. | Outboard Installations. | Inboard Installations. | Outboard Installations. | Inboard Installations. | Outboard Installations. | | “DELCO-REMY” .. | — | — | — | — | Yes | Yes | Yes | Yes | | “LUCAS” .. .. | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes | | “M.C.L.” .. .. | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | “MILLER” .. .. | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | “ROTAX” .. .. | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | “SMITH” .. .. | Yes | Yes | Yes | Yes | — | — | Yes | Yes | | “C.A.V.” .. .. | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | P.T.O. APPENDIX No. 116 | ||