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It's been a while since I have posted, and I haven't made much headway with any turbine blades. The ones I found will take a bevel but I am having problems getting them sharp. For all the trouble...

I cut on it some more a couple of days ago. I'm almost done cutting it lengthwise and have gone through almost a dozen cut off disks. I might finish the cut next week and then try to shape it into...

This is some tough stuff. I went through two cutoff wheels to cut through about an inch of material. I've cut the end off of a razor before and it barely made a dent in a cutoff wheel. There was...

That's one of the reasons I was asking about the temp tables.

It might prove easier and faster to try an old leaf spring or something, but I wanted to see if the metal of the turbine blades was any good.

I got one of the sets of blades in the mail a couple of days ago. They are awfully light for their size, which makes me wonder how much steel is in them. They are long enough to use as a razor,...

Well, I hope they don't make too many cuts where you work. But, if they do, 5 minutes in the supply room might actually be worth your while... Maybe oil prices will stay low and keep the russians...

I read into the superalloys used a little bit last night and found that the newer stuff is indeed more nickle based than steel based. Some of it also has a lot of cobalt in it. And there seems to...

Hollow huh? I wonder how thick the actual metal is then. I wonder if they use the curves in the metal to compensate for the difference in speed from the base to the tip or if there is a different...

Some of them might be made out of aluminum, but it would make more sense to make them out of steel. But I'm not sure the process they use to 'grow' the blades would lend itself to working it into a...

Where did he get it from? An airplane junk yard?

It has come to my attention recently that gas turbine engines put a lot of stress on their blades. I hear that these blades are pretty tough and that they use a special process to make them. Has...