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).
Performance graph for a Continental BIV U10 unit on a 14 BIV chassis showing BHP, MEP and Ignition Advance.
| Identifier | ExFiles\Box 97\3\ scan0180 | |
| Date | 24th June 1939 guessed | |
| CONTINENTAL BIV U10 UNIT FOR 14 BIV CHASSIS (30,000 MILES) (ALL TESTS MINUS FAN) SPEC: .33 RAISED CROWN AEROLITE PISTONS - 7.25:1 COMP. RATIO 1.6 DIA. INLET VALVE - STD 1.13 EXHAUST VALVE. 1.75 IND'N SYSTEM & 2 S.U. - 1.75 CARBS. VALVE TIMING .030 CLCE I.O. 2° PTDC I.C. 45° PBDC E.O. 40° BBDC E.C. 6° PTDC VANDERVELL MAIN BRGS MOT. C OIL ETHYL PETROL. KEY: ① OPEN EXHAUST (MAX. POWER) ② WITH SINGLE CONTINENTAL SYSTEM (EXHAUST) & COMPLETE AIR SILENCER & BEND ③ AS ② NON DETONATING ON REDLINE PETROL ④ STD BIV OPEN EXHAUST 6.5:1 C.R. GRAPH LABELS: BHP MEP BHP & MEP IGN. ADV ° BTDC | ||