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OPTIONAL FEATURES
Port Trim Tab
Optional Trim Tabs
Trim Tabs are optional on your 21 Bay. External electric trim tabs can enhance the performance of your boat. The tabs
on the 21 Bay are electric and therefore do not require a trim tab pump. By not having a pump there is no possibility of
fluid leaks from a pump.
Trim tabs allow for maximum boat performance, and are great for balancing weight in the boat. They also allow the
boat operator to lift or lower the hull to accommodate for different running situations.
For the operation of trim tabs note that the port trim tab switch will affect the port side of the boat, and the starboard
switch will affect the starboard side. For instance, lowering the port trim tab creates stern lift on the port side, thus
lowering the starboard bow. Raising the starboard trim tab lowers the stern on the starboard side, thus raising the port
bow. Use the tabs to adjust the attitude of the boat so that it sits evenly, and to raise or lower the bow to control
running performance.
Pushing on the top of the switch (down), will lower the trim tab and force the bow down, which is important when
running in heavy seas or a stiff chop. In most cases, both tabs should be lowered for an even bow ride.
Pushing the bottom of the switch (up), will raise the tabs lifting the bow out of the water, for better running
performance. To achieve the best running performance of your Cobia 21 Bay, use the engine trim in conjunction with
your trim tabs to find the appropriate amount of lift for a safe and comfortable ride.
In the event of rough water or high winds, it’s possible to use the trim tabs to lift the windward side of the boat to avoid
spray blowing back onto the passengers. Do this in conjunction with lowering the bow on the downward side.
Summary of Contents for 2012 Cobia 21 Bay
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