Manual: Ql Bow Thruster
The QL bow thruster is a tunnel thruster installed through the bow of the hull. It uses an electric motor (usually 12V or 24V) to drive a propeller inside a tube, pushing water from one side of the hull to the other to create lateral thrust.
For models with oil reservoirs (like the QL300), the manual recommends an annual oil change Ql Bow Thruster Manual
By respecting the , you ensure that when the wind pins you against a dock, your thruster will perform flawlessly. Safe maneuvering. The QL bow thruster is a tunnel thruster
The tunnel must be submerged at least 1/2 to 1 full diameter below the waterline to prevent "sucking air" (cavitation). Ql Bow Thruster Manual
Look for a metal tag on the electric motor for the exact product number.