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Hydro-hoist?
I'm looking at this pic and thinking, isn't a hoist basically like a trailer but on water? Is this a problem with the first support bunk being horizontal instead of vertical? I don't know jack about them and just want know.
http://i276.photobucket.com/albums/k...2/353lift2.jpg http://i276.photobucket.com/albums/k...2/353lift1.jpg |
It may just be the angle of your photo but the load looks like it is too far back and not spread evenly. The bunk on both sides need to be adjust inward slightly so they aren't sitting on your chines.
The center of gravity of your boat should ideally be centered over the center of the lift tanks. You'll want to have a slight tilt toward your stern so water can flow and collect in the bilge. The lift appears to be of sufficient capacity to pickup this boat. If you can pull the boat forward to distribute the weight better and adjust the bunks I think you'll be fine. If you can't pull the boat forward you'll have to move the lift back. Send a side shot, pictures of the control unit, boat info and length of existing bunks and I can tell you with a little more certainty. |
He was asking why the bunks don't go all the way foreward like a trailer does. And the front is perpendicular to the hull.
Bert- Almost all lifts are set up that way. |
I'm not interested in the hoist, I was looking at the boat, and thinking how could the weight of the boat be resting on the chines and not create some kind of damage.
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Lift
You're right ... it shouldn't be sitting on the chines.
We see this often when people move into a marina with a lift already in the slip. When the next boater comes in they figure all is good if the boat comes out of the water. Most times its simply a case of not knowing any better. |
Hard to tell from those pics, but there may very well be no weight at the chines. Might be fully supported at the keel and appear to be resting on the chine. When you see large cruisers sitting on blocks, the weight is actually all at the keel blocks, with the stands off center just keeping it balanced.
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Here is what we consider proper bunk placement and weight distribution.
Poly Lift 20,000 lb. boat lift with 33' Bertram. http://i180.photobucket.com/albums/x...4/IMG_1289.jpg http://i180.photobucket.com/albums/x...4/IMG_1291.jpg |
Originally Posted by Waterjack
(Post 3287352)
Here is what we consider proper bunk placement and weight distribution.
Poly Lift 20,000 lb. boat lift with 33' Bertram. http://i180.photobucket.com/albums/x...4/IMG_1289.jpg http://i180.photobucket.com/albums/x...4/IMG_1291.jpg |
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