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I can answer MarkK's wondering about the angle of the teeth to the workpiece at the end of the cut, from experience.? It's actually opposite to how you figured it.? One of my saws finishes the cut almost dead parallel to the vice table before dropping about 1/8" into the slot at the end of the cut.? On wide pieces (4"+) in steel the blade has stalled just before part-off on a number of occasions. When I lifted the sawframe out of? the cut, there was a neat row of holes where all the teeth had punched through the last remaining bit at once, which?caused the blade to stop dead, and stall the motor!?

It actually needs a bit of angle, so that the teeth cut across the bottom of the workpiece normally (being held up by the solid remaining triangle of work). Then with the full bow weight on the teeth?cutting the last remaining bit, the motor still has enough torque?to tear through it, to separate the off-cut. In fact, for wide cuts, the saw cuts quite a bit faster if you can arrange for the teeth to angle across the workpiece all the way through the cut (like propping up the workpiece under its front edge) - jv?