THANK YOU, THANK YOU Group. Purchased new 6-1/2" blade (Irwin). Solved all my problems. Cut jig and subsequently made 9 full length cuts in 1-1/8" plywood for my stair treads (10-1/8" wide) What a difference a sharp blade makes!
You may joke about that, but I have a lefty porter cable and I did one time put a ply blade (HSS) on backward. The smoke was outstanding as I was cutting through a cabinet to cut the kickplate are off of it so I could put it on wheels. Glad it was not carbide, as I am sure I would have knocked them all off.
On my lefty saw, if you see he label, it's on wrong.
Seriously, there are a lot better solutions than the old backwards blade tr ick. It doesn't work well with carbide blades anyway. At least not as wel l as when we did that with steel blades.
This is today's solution. Note that they aren't any more expensive that a moderately priced carbide blade for wood cutting:
Non ferrous:
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Ferrous:
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They make blades that will dry cut ferrous materials up to 16 gauge! That' s pushing 1/8". I actually discovered those a few years ago when a friend of mine told me that he had seen a show on barbecuing where there was a seg ment on making a pit from a propane tank. He told me he saw a guy "with a Skilsaw cutting a tank in two". He bought one of the blades and it chewed right through a propane tank!
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