Attached is a chart you can use to help determine the depth of your downrigger ball when trolling.
The depth of the ball is determined by the angle of the cable and line-out...this chart helps you to indirectly measure the angle.
The chart assumes the DR boom is 3 feet above the surface of the water. If yours is different or if you want numbers for different amounts of line-out let me know and I will add to the chart for ya.
Please note that I rounded the numbers to avoid decimals and small fractions.
The first column represents the difference (in feet) between the point where the cable would enter the water if the boat was not moving (cable straight down) and the point where the cable enters the water when trolling.
The depth of the ball is determined by the angle of the cable and line-out...this chart helps you to indirectly measure the angle.
The chart assumes the DR boom is 3 feet above the surface of the water. If yours is different or if you want numbers for different amounts of line-out let me know and I will add to the chart for ya.
Please note that I rounded the numbers to avoid decimals and small fractions.
The first column represents the difference (in feet) between the point where the cable would enter the water if the boat was not moving (cable straight down) and the point where the cable enters the water when trolling.
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