On a p-limited rigger, what is the best angle of attack for the front sponsons and the rear ski. If the tub is sitting flat and parallel on a board, with the back of the sponson sitting on the table, what is the best angle of attack for a heat racing boat. I personally would have to research what tool to use to measure degrees. If I took a 1/4 inch thick block and slid it under the sponson, how far forward would it be in front of the sponson transom. The reason I ask is I believe my attack is to steep. What I'm fighting is my rigger starts to sponson walk at wide open throttle to the point that it walks back and forth to the point it walks the boat all the way over in a blow over. It's fine on flat test water but on racing water it has a violent walk that ends in an up and over.

Thanks for the help, Allen