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[InternalTraining]

Now, what about changing the feel (making it lighter) by moving the swell up in the bat? Conventional wisdom is that it makes the bat feel lighter. My question is whether moving to swell up in the bat makes the sweet spot go higher?

It does in theory. I have heard that the sweetspot is actually just below the middle and it will ping further down the blade (andy from saf discussion - centre of percussion)? Not sure if that's to do with levers ie. getting more leverage through the ball lower down the blade

Thought this deserves it own thread . 

[crictech]

Depends what you mean by sweet spot. When the ball hits the bat it vibrates. Depending on where your hands are and where the ball hits there is a spot about 7.5" from the toe of the bat on a standard SH where you won't feel much if any vibrations. It feels sweet. Moving the swell position won't make this change. There's also a spot where the ball will rebound best, so you get the most power in your shot. This could be changed by moving the swell.
The biggest effects you are going to notice are to the balance and swing weight. Taking weight away from lower down makes the balance higher up so it becomes easier to make those tiny adjustments on your down swing. Kallis and Sanga used end weights on their bats to achieve the same thing. The swing weight will also be reduced a bit which may or may not be a good thing depending on what your preferred swing weight is.

[InternalTraining]

There's also a spot where the ball will rebound best, so you get the most power in your shot. This could be changed by moving the swell.
The biggest effects you are going to notice are to the balance and swing weight. Taking weight away from lower down makes the balance higher up so it becomes easier to make those tiny adjustments on your down swing. Kallis and Sanga used end weights on their bats to achieve the same thing. The swing weight will also be reduced a bit which may or may not be a good thing depending on what your preferred swing weight is.

That is the spot I am interested in - spot of maximum power for the shots.

How do you find/calculate your swing weight?

[crictech]

You can either follow a very long, complicated formula or you can buy the 99c swing tool app. Measure the weight. Measure the balance point by laying your bat on a flat table top and nudging it until it seesaw's. Tape a round pen tube to the top of the bat. Set the hang point and swing point in the setup to "0", then give it a push and let it swing.

I have some average measurements for different weights of bats so if you do it let me know what your results are. When people say their bat is 2lb 12 but picks up like a 2.9 this is what they are talking about, mostly.