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  1. #1
    Member
    Join Date
    May 2013
    Location
    Wappingers Falls NY
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    1,016

    How fast can you mark fish

    At what speed can you mark fish on 2d? Had a buddy that said he marks at 10-15 mph. On my boat I can't because there's too much turbulence in my boat. What do you guys use for setting and what's your most accurate speed . Guessingchart speed at 10?

  2. Member Bob G.'s Avatar
    Join Date
    Jan 2013
    Location
    Milton, Vermont
    Posts
    6,091
    #2
    I scan at 3mph on the big motor (at idle) and 1mph on the trolling motor. I set the chart speed to match the boat speed but will set the bow graph to 10mph when vertical fishing.

    My boat can't stay on plane at 10 to 15 mph.
    2006 Triton TR-21 XD, Mercury 225 Pro XS, S/N 1B287870

  3. Moderator Fishysam's Avatar
    Join Date
    Oct 2016
    Location
    Jamestown North Dakota
    Posts
    9,324
    #3
    50 mph I can mark suspended schools of crappies, I don't care what you say. As far as single/ small groups close to the bottom 5-7 max

  4. Member haus9393's Avatar
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    Mar 2013
    Location
    Plattsburgh, NY
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    4,016
    #4
    idle speed up to 7mph for single fish. This spring I found a pile of smallies deep at 60 mph on the edge of a drop but stuff like that is very rare.

    2023 Ford F150 XLT Super Crew 2.7L Ecoboost FX4
    2021 Phoenix 721/ Mercury 250 ProXS 4s
    HDS16 Pro- Solix15 : Console
    HDS16 Pro W/AT - Garmin 126 W/ lvs34 - Solix12/ 360 : Bow
    Dual 10' Blades/ Lowrance Ghost/ Bobs Hydraulic Plate
    225ah cranking / 100ah trolling. Ionic/Relion lithium

    MLF Invitationals Angler
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  5. Banned
    Join Date
    Mar 2011
    Location
    Clarks Hill Lake
    Posts
    20,875
    #5
    i scan at idle speed which is 3.4 mph but i can read bottom and structure up to 60 or so. most of the time you want to match chart speed to boat speed when scanning but you can max out scroll speed when running at high speed or when on the bow vertical fishing. sometimes you can also speed up scroll speed slightly faster than boat speed when scanning at idle to 'open up' things like brush piles and make it easier to see fish within it.