There was a discussion a couple of days ago as to what blades come on a new mower from the factory. Evidently it is high lifts, but not in all cases. In this pic I set up a few different blades for a comparison. It's a close call with the OEM blade. It seems to be right in the middle of the J Thomas blades. Here's another with a little different angle.... I thought it interesting the angle of the standard mulcher compared to the other blades. There's no pronounced "angle" per se. It's more of a gradual incline. I wonder if this will help reduce the hosepower needed to perform the cutting action. The high angle of lift, in particular the Oregon blade in the first picture, robbed me of horsepower big time when I used them on the 23/52 machine. So much so, that I couldn't utilize three of them at the same time. . Here's one comparing the two mulch blades. The first thing to catch my eye was the difference in thickness between the mulch blades. It would seem logical that the thicker blade would tend to absorb more punishment in the form of rocks or sticks before bending or cracking. All will obviously lose their edge. However, how much does rotating mass factor into robbing horsepower? Would a lighter blade retain blade tip speed better? Or do you need the mass of the heavier blade to smash the clippings and leaves? I think I would opt for the speed. Also, the lift is a little greater on the Gator. I would think this would help if discharging, but does it in mulching? The clippings are going up, where else could they go? Both have the teeth on the lift to chop them again. Would the higher lift cause more to stick to the deck and/or pack it quicker? . A . .