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).
Specification sheet for the B.80 Marine Engine, sheet number 2.
| Identifier | ExFiles\Box 153\3\ scan0042 | |
| Date | 24th April 1940 guessed | |
| SPECIFICATION B.80. - MARINE ENGINE Specification No. Issue No. Sheet No. 2 Sec. No. | Title | Description | Design No. | Details | L.O.P. | Remarks --- | --- | --- | --- | --- | --- | --- 5060 | VALVES & FITTINGS | DOUBLE INLET VALVE SPRINGS. NO GRUMMETS. | PL 173 | | | 5070 | INLET PIPES | SQUARE SECTION, WITH UPDRAFT CARB: 7 1/2° SLOPE | | | | NEW PIPE ALSO CARRIES THE OIL COOLER 5080 | CARBURETTER | SOLEX TWIN UPDRAFT. TYPE FFVS. SIZE 35 M/M.{Mr Moon / Mr Moore} | | | | FLAME ARRESTER ON AIR INTAKE 5082 | CARB.R AIR SILENCER | NONE FITTED | - | - | - | 5090 | CAMSHAFT | STD. B.80. WITH TACHOMETER SPIRAL | | | | DRILLED UP TO OIL DISTRIBUTOR SPIRALS. 5160 | WATER PUMPS FRESH & SALT | FRESH WATER PUMP TO SCD 1398, BUT WITH A NEW INLET. SALT WATER PUMP WITH HERRINGBONE GEARS DRIVEN FROM AFT END OF DYNAMO. | PL 159 | | | BELT SAME AS B-80 NO FAN. 5170 | OIL PUMP DRIVE & DISTRIBUTOR DRIVE | STD: B 80 | ECD. 1342 | EB3908 | | TOP END WILL BE ALTERED IF WE FIT SCINTILLA VERTICAL MAGNETO IN PLACE OF THE DISTRIBUTOR. 5180 | WHEELCASE | B.80. STD: FABROIL HELICAL WITH OIL JET | | EB4117 | | 5190 | WATER CONNECTIONS | B.80. FRESH WATER THERMOSTAT & BYE-PASS. | PL 198 | | | | ||