Bireme Propellers are a type of propulsion system used in boats and ships. They are composed of two OARS, or paddles, that are connected to a single shaft and rotate in opposite directions. This type of propulsion system is often used in small vessels, such as canoes, kayaks, and rowboats, as it is relatively easy to operate and maintain. The rotation of the OARS creates a thrust that propels the vessel forward. Bireme Propellers are an efficient and cost-effective way to power a boat or ship.