Shoe and loader depth.
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Shoe and loader depth.

  1. #1
    custom member raped southwind's Avatar
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    Default Shoe and loader depth.

    Posted in the 21 thread but no response.
    When measuring shoe and loader depth do I run my level along the lowest point of the boat( lowest point of my center pod. Basically I'm running a 5ft straight edge along the center pod and when it meats the shoe I'm dead on.

    Just trying to make sure I'm using the correct point / procedures to measure from. .

    Thanks in advance!
    Last edited by raped southwind; 09-16-2012 at 03:10 PM.

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    "Need For Speed" Gearhead's Avatar
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    Quote Originally Posted by raped southwind View Post
    Posted in the 21 thread but no response.
    When measuring shoe and loader depth do I run my level along the lowest point of the boat( lowest point of my center pod. Basically I'm running a 5ft straight edge along the center pod and when it meats the shoe I'm dead on.

    Just trying to make sure I'm using the correct point / procedures to measure from. .

    Thanks in advance!
    This is correct if your boat is of a straight or flat keel design. If the hull is of drop keel design, then the reference changes to a depth in relation to the flats on the side.

    What hull are you speaking of?

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    custom member raped southwind's Avatar
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    Quote Originally Posted by Gearhead View Post
    This is correct if your boat is of a straight or flat keel design. If the hull is of drop keel design, then the reference changes to a depth in relation to the flats on the side.

    What hull are you speaking of?
    Early hull 21 Daytona. This is why I'm confused. There is 1in wide flats but then it goes rounded.
    And should I be running the straight edge all the way out the back or just to the shoe to measure shoe depth?

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    "Need For Speed" Gearhead's Avatar
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    Quote Originally Posted by raped southwind View Post
    Early hull 21 Daytona. This is why I'm confused. There is 1in wide flats but then it goes rounded.
    And should I be running the straight edge all the way out the back or just to the shoe to measure shoe depth?
    RP,

    Personally I am not real familiar with the 21, but it sounds to me like you have the stock factory radius keel. And if so, run the straight edge along the keel to the intersection with the loader blade and/or shoe, like you are doing. This should give you a reference point for where you are. On the old Youngblood TX-20 style tunnel, as speed increases over 100, we have to start loading the pump harder with shoe depths below the stock radius keel.

    There are several here on the boards, CS19 and others that are more familiar with the Daytona 21 than myself and hopefully they will post a response in reference to tuning this hull.

    Gear

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    custom member raped southwind's Avatar
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    Quote Originally Posted by Gearhead View Post
    RP,

    Personally I am not real familiar with the 21, but it sounds to me like you have the stock factory radius keel. And if so, run the straight edge along the keel to the intersection with the loader blade and/or shoe, like you are doing. This should give you a reference point for where you are. On the old Youngblood TX-20 style tunnel, as speed increases over 100, we have to start loading the pump harder with shoe depths below the stock radius keel.

    There are several here on the boards, CS19 and others that are more familiar with the Daytona 21 than myself and hopefully they will post a response in reference to tuning this hull.

    Gear
    Thanks for ur help. Just wanted to make sure I'm measuring from the same place everyone else is as it will help with my tuning

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    Senior Member Boat 405's Avatar
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    Quote Originally Posted by raped southwind View Post
    Thanks for ur help. Just wanted to make sure I'm measuring from the same place everyone else is as it will help with my tuning
    Don't worry too much about where others run with a measurement. Typically guys will find a spot they like and always measure from there. I like to take the deepest part of the keel in relation to the flats on the sides next to the shoe to find out my biting edge but that's just me. Just find a point and stick to it and you'll be fine.
    Boat 405.

  9. #7
    custom member raped southwind's Avatar
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    Quote Originally Posted by widowmaker View Post
    Don't worry too much about where others run with a measurement. Typically guys will find a spot they like and always measure from there. I like to take the deepest part of the keel in relation to the flats on the sides next to the shoe to find out my biting edge but that's just me. Just find a point and stick to it and you'll be fine.
    Thank you. I realize all boats are not gonna be the same. I'm running similar power to you but numbers are way off. Just wanting to double check my setup to see if something was way off. Thanks for all yall's help

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