CHAPTER 6
6-122
Sometimes you can watch the bow spray or stern wake and the rooster
tail (mound of water produced by stern drives). In a bow up position
the spray is far aft to the hull, the wake is high and the rooster tail is
high.
When trimmed or in the bow down position, the bow spray is farther
forward, the wake and rooster tail are smaller, and positioned further
behind the vessel. Also, when trimmed you will notice that the
tachometers show an increase in rpm’s.
Adjust the trim tabs to achieve a
planing attitude. Use the power trim
to position the prop path parallel to
the water fl ow. At this point the trim
tabs may need a fi ne adjustment.
One advantage of the trim tab
system is that they allow trimming
of the hull while the power trim
results in trimming the props.
Using Stern Drive Power Trim With Trim Tabs
Rectifying A List
Your vessel can use the trim tabs to rectify a list.
The trim tabs adjust the boat’s attitude in the
direction the helm rocker switch is pushed.
If the port bow is high, push the left-hand “bow
down” direction on the dash rocker and the port
bow will lower. If the starboard bow is high, push
the right-hand “bow down” direction and the
starboard bow is lowered.
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