Making a boat lift - Page 2

48Dodge · #11 (**permalink**) 05-15-2008

Also, I SHOULD have the keel supported so that it's taking most of the weight, but I have had to do some work on the centerboard and trunk.

48Dodge · #12 (**permalink**) 05-15-2008

Sorry for all the back to back posts

I just remembered that another option is to build a gallows setup. Wouldn't take much. Just build a sawhorse like I have for the front only several feet taller than the boat and wider than the trailer. Attach slings and some way to winch the boat up. Lift the rear of the boat, support it. Lift the front of the boat, pull the trailer out, then support it.

sailingdog · #13 (**permalink**) 05-15-2008

One site that you guys might find rather useful is this one: THE SAGULATOR... which allows you to calculate loading and deflection using a wide variety of building materials.

Bermuda30 · #14 (**permalink**) 05-15-2008

Quote:

Originally Posted by TrueBlue

Bermuda30's solution however, in post #4, scares the bejeezes outta me . . . check out that beam's deflection (g).

And that was a 6x6. I was out of town, and a few of us share the trailer, so that is how they did it. Trust me, if I was there, it would not have happened so. Boat weighs 5600#. Once off the trailer, it was properly blocked and set on stands. Interesting will be how we get it back on the trailer.