From a bronze steam turbine tooltip. IN 48 steam/t OUT 16 ru/t EFFICIENCY 66.66 % What? If efficiency is 66.66% it will output 48 * 0.6666 = 32 ru/t. Make a setup like this: Bronze burning box(24 hu/t) --> bronze boiler (48 steam/t) —> bronze steam turbine --> axle with a tachometer sensor --> …

2 Railcraft Steam = 1 Generic Unit, so 48 * 2/3 * 1/2 = 16 RU