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).
Comparison graph of proposed Continental 25 HP engine power curves with an open exhaust.
| Identifier | ExFiles\Box 179\2\ img179 | |
| Date | 1st January 1932 guessed | |
| COMPARISON OF PROPOSED CONTINENTAL 25 H.P. POWER CURVES OPEN EXHAUST CURVE A: J1 HEAD. TWO RR CARBS. TO LEC 2924. 1.00 CHOKES 6.34 C/R TIMING ① CURVE B: CHINA HEAD 5.75 C/R STD CARB. AS 20G IV LAST 10,000 MILES. TIMING ② Y-AXIS: B.H.P. X-AXIS (TOP): R.P.M X-AXIS (BOTTOM): M.P.H. WITH 11 X 50 AXLE DIAGRAM ①: TWO EXHAUST CAMS FROM CAMSHAFT E57177 112° BETWEEN CAMS TIMING VALUES: EX 45, IN 50, .020 CLCE, 0.35 DIAGRAM ②: W.W. CAMSHAFT TO E.57177 110.5° BET. CAMS TIMING VALUES: EX 40.5, IN 44, 6, .020 CLCE | ||