I have an old pontoon bridge boat that I use for duck hunting. When I bought it, it was just a bare hull with nothing to it. I put in a floor and had some platforms put in along with a console. The transom was cut down a little and a splash well was put in. We threw a 90 johnson on it b/c it was free.
So here's my problem.
The boat is a flat bottom and the transom is 90 degrees to the hull. I used one of the wedges you can buy at a marine store to get the motor angled. When the motor was all the way down the boat would still porpise and didn't have the best of rides. I've since taken the motor and console out and have a buddy who's going to put a tiller motor on it.
I was thinking of having something welded up at a shop that will put the motor at the proper angle and height on the transom.
SO...
How should I determine what the proper angle is?
Where should the cavitation plate be on the motor in relation to the bottom of the transom?
I was thinking of just having a wedge made and then go with a jackplate too.
With older outboards say 1991 and older the plate should be even with the boat bottom. Newer outboards can go up to 1" above the bottom. Height is 100% trial and error. This is the reason why we test run every repower. Its not uncommon for us to change the height 2 or 3 times to get it right. Angle is not a big deal as power trim will adjust to it or if you dont have power trim the tilt pin can be adjusted.
Thanks for the reply. The problem with angle before is it couldn't tilt far enough down to keep the boat on plane properly. What's the typical angle of most transoms on jon boats and smaller skiffs?
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