During World War II, PT boats were used for multiple tasks such as protecting ships, attacking enemy boats, and conducting reconnaissance missions. These boats required high performance engines in order to achieve the necessary speed and maneuverability needed to carry out their missions. The engines used by the U.S. Navy in World War II PT boats were of different types and models.
The most commonly used engine in the PT boats was the 1,200 horsepower Packard Marine engine. Developed by the Packard Motor Company, this engine provided the power needed for the boat to reach a maximum speed of 40 knots. The engine was divided into three separate units, each powering a separate propeller. This allowed for greater maneuverability and speed.
Another engine commonly used in WW II PT boats was the Allison V-1710 aircraft engine. It was a 12-cylinder, liquid-cooled engine that produced 1,200 horsepower. This engine was originally developed for use in fighter planes but was later adapted for PT boats. With the Allison V-1710 engine, PT boats were able to reach a speed of 45 knots – making them one of the fastest boats in the US Navy.
The British-made Rolls-Royce Merlin engine, which was used in the famous Spitfire fighter planes, was also used in some PT boats. The engine produced 1,250 horsepower and allowed the boat to reach a maximum speed of 41.2 knots. The Rolls-Royce Merlin engine was known for its reliability and durability – making it a popular choice for PT boat engines.
Another engine used in PT boats during World War II was the Wright R-1820 Cyclone. This engine was a nine-cylinder, air-cooled radial engine that produced 1,200 horsepower. The engine provided the boats with good speed and maneuverability, making it another popular engine choice for PT boats.
The engines used in World War II PT boats were crucial to their performance and success during the war. Each engine had its own unique capabilities, and the type of engine used would depend on the specific mission the boat would undertake. These powerful engines allowed the PT boats to achieve great speed and maneuverability, which made them one of the most effective tools used in naval combat during World War II.