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).
Dynamometer test results for a Type RA4 engine, comparing standard equipment with a Godward Gas Generator.
| Identifier | ExFiles\Box 15\6\ Scan121 | |
| Date | 12th November 1929 guessed | |
| DYNAMOMETER TESTS - MADE AT "BUFFALO GASOLINE ENG. CO." BUFFALO, NEW YORK. SEPT. 16, 1929. OCT. 9, 1929. WITH "TYPE RA4 ENGINE" (STANDARD COMPRESSION) TEST #1 - USING GASOLINE FUEL, STANDARD EQUIPMENT RUN N° | TACH R.P.M. | REVS # | TIME M-S | AVR R.P.M. | SCALE LBS. | B.H.P | FUEL RUN # | FUEL PHR | °F EXH | °F IN | °F AIR | °F H2O 1 | 1200 | 2250 | 1-52 | 1205 | 179 | 102.8 | 2 | .625 | | 78 | 80 | 130 2 | 1100 | 2120 | 1-55.2 | 1104 | 187 | 98.3 | 2 | .636 | | 78 | 80 | 120 3 | 1000 | 2068 | 2-4.6 | 997 | 195 | 92.5 | 2 | .625 | | 78 | 80 | 118 4 | 900 | 2000 | 2-13 | 902 | 201 | 86.4 | 2 | .627 | | 78 | 80 | 118 5 | 800 | 1883 | 2-21.8 | 798 | 208 | 79.0 | 2 | .643 | | 78 | 80 | 120 6 | 600 | 1966 | 3-16.4 | 600 | 192 | 54.8 | 2 | .668 | | 78 | 80 | 120 | 500 | 1609 | 3-14 | 497 | 191 | 45.2 | 2 | .822 | | | | TEST #2 - USING GASOLINE FUEL, "GODWARD GAS GENERATOR" RUN N° | TACH R.P.M. | REVS # | TIME M-S | AVR R.P.M. | SCALE LBS. | B.H.P | FUEL RUN # | FUEL PHR | °F EXH | °F IN | °F AIR | °F H2O 10 | 1200 | 2283 | 1-54 | 1202 | 200 | 114.5 | 2 | .552 | 1025 | 86 | | 130 11 | 1100 | 2232 | 2-2 | 1097 | 203.5 | 106.2 | 2 | .557 | 975 | 85 | | 125 12 | 1000 | 2186 | 2-10.8 | 1004 | 206 | 98.4 | 2 | .56 | 975 | 86 | | 125 13 | 900 | 2160 | 2-23.2 | 906 | 208 | 89.6 | 2 | .561 | 970 | 86 | | 120 14 | 800 | 1995 | 2-29.4 | 802 | 211 | 80.5 | 2 | .599 | 930 | 88 | | 130 15 | 600 | 2018 | 3-21.6 | 602 | 207.5 | 59.5 | 2 | .602 | 850 | 90 | | 120 G.45-9 V.H.L. | ||