medium-speed engine Watch the video Medium-speed propulsion diesel engine for ships (4 stroke, V-type, turbocharged) Fairbanks morse Colt-Pi

The Colt-Pielstick PA6B STC is the latest development of the PA6 engine, intended for ships requiring high-propulsion power combined with a lightweight installation. Available in 12-, 16-, 18-, and 20-cylinder configurations, the PA6B engine is designed specifically for the high demands of naval and commercial markets.
The PA6B engine features Sequential Turbo Charging (STC), which uses two turbochargers in parallel for efficient full-power operation and the use of only one turbocharger for low speed, high-torque operation. The use of one turbocharger maximizes the available energy from the whole engine instead of only half the engine, as is typically done. The extra exhaust energy (double) boosts the turbocharger away from surge conditions and delivers the necessary combustion air to allow engine operation in areas otherwise unattainable.