This article is a summary of a YouTube video "SEVEN SECRETS to a Great Hull Design | With Grady-White Expert Eric Sorenson" by Short Marine

7 Key Features of a Grady White Hull

TLDRDiscover the 7 key features that make a Grady White hull stand out, including flare and freeboard, angle of the bow, the chime, strikes, the keel, dead rise, and the transom dead rise.

Key insights

🌊Flare and freeboard create buoyancy and lift as the boat goes down into a wave.

⚓️The angle of the bow, known as the rake of the stem, plays a crucial role in lifting the bow out of the water and preventing it from burying itself.

🚤The chime, where the side of the boat meets the bottom, provides stability and flow separation, preventing drag and creating lift.

💥The strikes or running strips reduce drag, break the spray away from the hull, and create lift, resulting in a drier and more efficient ride.

🌊⛰️The keel, rounded rather than pointed, reduces the impact and shock when hitting a wave, providing a smoother ride.

Q&A

What is the importance of flare and freeboard in a Grady White hull?

Flare and freeboard provide buoyancy, lift, and a smooth ride, ensuring the bow doesn't bury itself and keeping water out of the boat.

Why is the angle of the bow crucial in a good sea boat?

The angle of the bow, known as the rake of the stem, helps lift the bow out of the water, preventing it from burying itself and improving seaworthiness.

How do the strikes or running strips benefit the boat's performance?

Strikes reduce drag, break spray away from the hull, and create lift, resulting in a drier and more efficient ride.

Why is the keel rounded off in a Grady White hull?

A rounded keel reduces impact and shock, providing a smoother ride by diminishing the jarring sensation when hitting a wave.

What makes dead rise important in the design of a hull?

Dead rise, the variation of V-shaped hull angle, affects how the boat rides through waves, providing stability, efficiency, and minimizing pounding.

Timestamped Summary

00:10Flare and freeboard are crucial for buoyancy, lift, and preventing water from entering the boat.

01:23The angle of the bow and the rake of the stem are essential for lifting the bow out of the water and improving seaworthiness.

03:17The chime, where the side of the boat meets the bottom, provides stability and flow separation, reducing drag and creating lift.

04:10Strikes or running strips reduce drag, break spray away from the hull, and create lift, resulting in a drier and more efficient ride.

05:18The keel, rounded off in a Grady White hull, diminishes impact and shock, providing a smoother ride.

06:39Dead rise, the variation of V-shaped hull angle, affects the boat's stability, efficiency, and pounding resistance.

08:59The dead rise of the transom is crucial for the boat's performance and ride quality.