This for 27 lb leadcore - @ 2.5mph and 6 colors back a 1 oz super jig will run 20 feet. (1 foot per 10 ft LC + 2 FT for 1 oz of weight). With your faster speed and slightly different test you can figure it out by trolling in 15' of water, let out line until you feel the lure bouncing bottom - then you know exact amount needed for the lures you are using and your boatspeed.
tight lines,
scatcher
tight lines,
scatcher
