Ill let skibrain make his comment - I would sure trust him more than me, but Ill say what I found this weekend...
First off, I think something is wrong with how far back I appear to be on my ski... it stands to reason that the ski should respond much better with more ski in the water. Per my earlier post, I have to figure out what is up with that - short ski,bad technique, too slow... I dont know yet.
My interpretation of what skibrain meant by a "strong" position is having my weight back counterbalancing the pull of the boat with - this results in having a lot of leverage. The harder I lean into it, the faster I go, and the further outside the wake I get. Im not sure how to explain the "squirt" except to say that as soon as you get up on the edge (leaning out), you will not only turn, but accelerate (quickly) because you are having to cover more distance in the same amount of time (instead of just following the boat, you are turning - covering more water than you would if just following the boat). Its a cool feeling - you can FEEL the acceleration (hence... squirt).
Another editorial remark - my technique (even in my younger days) was to turn the ski to the outside, then dig the outside edge in (meaning right edge if on the right side of the boat). I would just have an extended tug of war with the boat, hanging on the outside like that until I got tired or bored, then straighten up, wait for the boat to take up the slack, then turn back towards the wake - usually just "drifting" back towards the wake until I crossed it. The approach would be with the ski flat on the water and not a lot of speed which would result in instability as I crossed the wake, especially if the water was rough at all - then I would lean into it again, and dig the edge in which would shoot me out to the other side. Rinse and repeat until I wore myself out. It was fun, but that technique did not serve me well the few times I tried to ski a course.
Yesterday, I really worked on this... once up, I headed to the outside of the wake, and took a strong position immediately (on the edge, and leaning into it hard. That made me accelerate aggressively to the outside, where I then coasted a little (taking a slightly more upright position), then turned hard back towards the wake, and leaned into it the other way (strong position). I would then accelerate hard to the wake, this time TRYING not to chicken out, straighten up, and slow down (this is a HARD habit for me to break). When I did it, I was pleasantly surprised to find that I felt like I had much better control cutting THROUGH the wake on the edge instead of sliding over it with a flat and unstable ski. I would then stay in that strong position until I was all the way to the other side, then just repeated the process in the other direction.
Its going to take a lot of work... and a lot of practice, but I can see how this should keep me in better control, burn less energy, while actually executing more turns (which is what is fun about a slalom ski) within the same run.
>>>edit just noticed something I find interesting: In post 99, you will see that Im thowing a rooster tail to the inside - while Im doing that "tug of war" thing, leaning hard to the outside. I would hang in that position for a long time. In post 119, the rooster tail is going to the outside, as I turn back towards the wake. In all the pictures from yesterday, there are very few with me throwing a rooster tail to the INSIDE... because I was coasting when I was getting to the apex of the turn...
I dont know if ANY of this makes any sense, but if nothing else, it has been helpful for me to think it through for myself
Jeff