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  1. Member CigarBasser's Avatar
    Join Date
    Jan 2010
    Location
    Fayetteville
    Posts
    9,547
    #21
    Quote Originally Posted by justing903 View Post
    Reasons I read the Rookie mistakes forum at the start of the season. http://www.bbcboards.net/showthread.php?t=646948. While I haven't ever left the plug out because anxiety mostly and I have a system where no one else preps the boat but me or the wife for unloading I have always been curious why a 750 or 1000GPH Bilge wouldn't keep up with a boat plug being left out. Is the water entry really over 25gallons per minute. I'm sure there are other variables like location of batteries or bilge piping to vent but I'd think a 750 or 1000 bilge would give you enough time to take your time and reload the boat at the ramp.
    You can calculate the flooding rate of any size hole:

    Q = 20 x d x square-root of h
    Q = flooding rate in gpm
    d = diameter of hole in inches
    h = depth of hole underwater in feet

    so with a 3/4" drain hole and a depth of 2 feet, we do the math: 20 (3/4) x 1.41= 21.15GPM

    GPH would be 1269 (21.15 x 60) so a 1500GPH might keep up with it if they actually pump that amount..

    Here’s a good link too...
    http://www.whsyc.org/Flooding/Flooding.html
    2001 Ranger 518DVX Comanche / Mercury 200 Opti (OT306368)

  2. #22
    Quote Originally Posted by CigarBasser View Post
    You can calculate the flooding rate of any size hole:

    Q = 20 x d x square-root of h
    Q = flooding rate in gpm
    d = diameter of hole in inches
    h = depth of hole underwater in feet

    so with a 3/4" drain hole and a depth of 2 feet, we do the math: 20 (3/4) x 1.41= 21.15GPM

    GPH would be 1269 (21.15 x 60) so a 1500GPH might keep up with it if they actually pump that amount..

    Here’s a good link too...
    http://www.whsyc.org/Flooding/Flooding.html
    Very Nice! Thanx!
    ~ JG

    DD214 Alumni - July 2022 -

  3. Banned
    Join Date
    Dec 2010
    Location
    Elm City, NC
    Posts
    10,866
    #23
    If this is what happened, why was the tow boat people called??

  4. Member
    Join Date
    Mar 2018
    Location
    Hamburg, pa
    Posts
    126
    #24
    Quote Originally Posted by Phisherman View Post
    trying to think why anyone would take their plug out to begin with.
    Some people have to store there boats outside. I take my plug out after fishing in the rain. Lots of reasons to take the plug out. I have a buddy didn't take his plug out. A weekend at the campground changed that 😥

  5. Member haveme1's Avatar
    Join Date
    Apr 2009
    Location
    Mint Hill NC
    Posts
    20,790
    #25
    The only foam in my nitro is in the back each side of the splash well.
    I've left the plug out once, the guy with me parked the truck. I hollered bring it back, he said "I cant back it" .....
    He did get it enough to get the boat on good enough to save the day....
    Now there is a procedure
    Strap, strap, plug followed every time !
    **
    Life is kinda hard but it's
    better than the other options .. er ..option !

  6. #26
    Quote Originally Posted by haveme1 View Post
    The only foam in my nitro is in the back each side of the splash well.
    I've left the plug out once, the guy with me parked the truck. I hollered bring it back, he said "I cant back it" .....
    He did get it enough to get the boat on good enough to save the day....
    Now there is a procedure
    Strap, strap, plug followed every time !
    Like I said in previous post, I have a system! Buddy asked me this weekend if he could help and I had to explain it to him, its not that I don't trust you or like you its just my system and I know when I get on the water I can focus on what spot I am hitting first and not whether my anxiety is right that I should check the bilge.
    ~ JG

    DD214 Alumni - July 2022 -

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