Talk the Trim Talk: Key Terms that are good to know

The boating world has its own language, and when it comes to trimming a boat, there are plenty of terms that might leave beginners scratching their heads. But don’t worry, we have gathered the most important expressions to help you navigate both the terminology and the technology. With this guide, you will not only understand how Zipwake can enhance your time on the water, but you will also pick up a few phrases to impress on the dock.

Key terms and expressions related to boat trim:

Trim – Trim refers to the running angle of the boat as it moves through the water.

Pitch – Pitch is the boat’s forward and backward tilting, where the bow rises or lowers. This happens due to waves, changes in speed, or uneven weight distribution.

Roll – Roll is the side-to-side rotation of a boat, where one side tilts closer to the water while the other rises. It is often caused by waves, wind, changing load conditions, or turning.

Balanced Turn – A balanced turn is when the boat makes a smooth and controlled turn, with just the right amount of heeling to eliminate any side forces experienced during the maneuver.

Hump – The hump is the point where a boat struggles to transition from pushing through the water to planing on top of it. This is also called the ‘planing threshold’.

Hole Shot – The term hole shot refers to the boat’s ability to accelerate quickly from a stationary position and get on plane.

Bow Steering – Bow steering occurs when the bow (front) of the boat catches in the water, making the boat difficult to control.

Porpoising/Hobby horsing – Porpoising is when a boat repeatedly bounces up and down at high speeds, like a dolphin leaping through water.

Drag – Drag is the resistance when the boat moves through the water.. Higher drag slows the boat down.

Lift – Lift is the upward force at the boat’s aft generated by the trim control system to help the boat rise in the water, reducing drag and improving speed.

Interceptors – Interceptors are fast-acting trim control devices mounted on the transom (the back of the boat) that drop a blade vertically into the water to generate lift, allowing adjustment of the boat’s running angle. Unlike traditional trim tabs, interceptors are quicker, more precise, and more effective.

Trim Tabs – Trim tabs are adjustable, flat metal plates mounted on the transom (the back of the boat) that help control the boat’s running angle by being lowered into the water. Traditional trim tabs are slower and less precise compared to modern interceptors, which offer faster and more dynamic adjustments.

Heel – Heel is when a boat temporarily tilts to one side due to external forces, such as wind, waves, or during turn.

List – List is when a boat leans to one side permanently or statically, often due to uneven weight distribution, shifting cargo, or water ingress.

Now that you’re familiar with the language of trim, let Zipwake’s Dynamic Trim Control System take care of the adjustments for you. Sit back, relax, and enjoy the ride!