How do you flip a boat?
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How do you flip a boat?

  1. #1
    The Good mrjoshua's Avatar
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    Default How do you flip a boat?

    UNfortunately this is not a question of how to "flip" a boat doing 90 mph, but rather how can i get to the botton of the hull W/ the engine out while on dry land? I've got an 18' jet boat and i need to fix the dings in the bottom. any ideas?

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    i'm back!! 1QuickCP's Avatar
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    well 1 crane on a sling around pump, lift. then 4 guys rotate front till upside down, then roll dolly under it and set it down. Thats how I always did it..

    Friend did it with 4 old matresses, just rolled her over with 6 guys.

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    Senior Member Sleek Freak's Avatar
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    two slings and a overhead bridge crane.

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    I'm No Expert Shaun's Avatar
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    Default Like this....















    I've flipped my boat twice this way now. The first time you do it it feels a bit sketchy, the second time around your less worried.

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    The Good mrjoshua's Avatar
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    Thanks for the responses. Shaun thanks for the pics. once the boat is halfway over did i see that you hooked a second strap on the nose on the other side and then release the first? Also in oreder to set the bpoat down do you just make sure its sitting on the gunnels and nose?

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    Senior Member holorinhal's Avatar
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    I built this gantry from wood for about 50 bucks, it still comes in handy to this day. Same principle just with a strap around the pump.





    Here is a good shot of what the gantry looks like.


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  9. #7
    I'm No Expert Shaun's Avatar
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    Quote Originally Posted by mrjoshua View Post
    Thanks for the responses. Shaun thanks for the pics. once the boat is halfway over did i see that you hooked a second strap on the nose on the other side and then release the first? Also in oreder to set the bpoat down do you just make sure its sitting on the gunnels and nose?

    When flipping the boat upside down what i did was use two straps at the front. The First strap i tied so it wouldnt move and made it come off the left side of the hull. The second strap i tied to the bow eye and ran it through the hoist twice. The pupose of this was to keep as much even pressure on the bow eye as possible rather than putting side pressure on it (if that makes sense). As the boat was rotated i slowly let some of the slack out on that second strap. It actually helps the boat want to turn over too.

    Flipping it rightside up is different. You cant really do what i did the first time, you basically end up putting alot of side pressure on the bow eye when rotating the boat. So what i did is when it gets to a point where i can get another strap on it from the opposite side i do and i put a good amount of pressure on it. The second time around i dont think i did this and just got the boat lowered as quick as possible. I really dont like the boat being 6ft in the air

    As for supporting the boat, if your going to use the trailer like i did. You need to make SURE that your boat will fit inbetween the fenders! Most wont, the trailer in the pictures is actually for a 21 foot boat and my 18' just bearly fit. My new trailer that is actually the right size for this boat i had to remove the fenders for the boat to fit. I then took two 2x6's that where 8 ft long, tapped some towels to them, and slide them accross the bunks, that way i could support the hull in the front and rear. Again be careful because the deck might want to touch the trailer, mine came damn close so i just put a old pillow on the front to protect it.
    Last edited by Shaun; 08-18-2010 at 04:20 PM.

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    The Good mrjoshua's Avatar
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    thanks shaun

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