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Jan 12, 2023 · Sometimes adding weight in the wrong place will alter a boat’s CG or CB away from the ideal spot. Rough water, engine power, weather forecast, tide schedule, and wiggle room for all aboard to coexist should also play a part when configuring the layout of the load going on your boat to help the weight distribution.
Apr 10, 2012 · Draw a profile of a boat and put a dot where the CG would be. Trimmed up, the line of thrust runs under and forward of the CG and lifts the bow. Trimmed down, it runs above and behind the CG, lowering it. Advertisement. You can also compensate for load with trim tabs, correcting list caused by weight load by raising or lowering the boat on one ...
gravity slightly downward and makes GM a little more positive, if you add the weight low in the boat about the same height as the designed center of gravity, or put so much weight in that the CG moves below the CB. If you put it higher than the existing CG it can have negative effects, actually making GM shorter and causing the boat to list more.
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Jan 26, 2014 · The literature claims that this boat weighs 1200 lbs. A sister-ship was weighed on a highway scale and her weight was calculated to be 1710 lbs without outboard and gas tank, cruising gear, anchors, etc. The keel ballast is 300 lbs of lead. Now add an outboard motor on the transom, a gas tank and battery in the lazarette, and 2 adults in the ...
Sep 13, 2017 · The weight (500 lbs.) is multiplied by the distance (2') for a moment of 1000 ft. lbs. Naturally this will tend to throw the hull out of balance and cause it to sink deeper at the stern while lifting the bow to some degree. Such a situation should be corrected if the boat is to perform as the designer intended.
Apr 27, 2002 · In (a), the 55-pound battery and 85-pound motor combine to yield a longitudinal center of gravity of 13.89 feet. In (b), the battery weight is doubled, moving the CG forward by over 2 feet. In (c), relocating the original battery to the bow has almost the same effect on CG. Every object on a boat contributes to the collective center of gravity ...
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Jan 12, 2022 · Whether adding too many ice chests or shifting a boat’s batteries can change the stability. Keep the center of gravity low in the boat to keep the CG and CB near each other. Raising the center of gravity due to loading (everyone on the flybridge), the CG can move out over the CB and make it unstable. Learning how to safely operate a boat and ...
