To slow the boat sailors historically trailed long heavy lines off the stern and modern sailors can use a special drogue for that purpose.
Stern heavy boat. I think the IO Starcrafts are a little stern heavy naturally. Also if the tabs are set to strong the boat may plow and steer strangely especially in a following seaFrom your description it does sound like you have great improvement. If the front of the boat hooks when you are coming down a wave then it is trimmed too far down.
Transom mount engines attach onto the boat transom with clamps. The stern of the boat is the back of the boat. It appears that some re-powered classic Boston Whaler boats are stern heavy with their new engines specifically a c1985 SPORT 17 with cutaway transom and heavy HONDA 90-HP that sinks the stern several inches more than the original engine.
Stern sculling is the use of a single oar over the stern of a boat to propel it with side-to-side motions that create forward lift in the water. They are available in a keyhole model and come in two sizes. If you have a sterndrive family style boat a stern lifting prop is most popular because sterdrive boats are stern heavy and need help getting up and on top of the water quicker.
Drop a couple of knots and trim up a little. FREE Shipping on orders over 25 shipped by Amazon. Select the maximum possible diameter for the hull.
With the tabs on my boat I use them to push the front down but then trim the motor out and it equals stern. A heavy boat gets trapped in its own wave system. While some sailors swear by running off this tactic requires constant skillful steering.
The extension is under water at rest and when theres people in the back the automatic drain hole are filled with water. Shes heavy and unbalanced toward the rear. The opposite of the bow.