Posted by Bret4207 on March 11, 2015 at 07:49:27 from (64.19.90.196):
In Reply to: 223 ammo posted by KEH on March 11, 2015 at 06:01:29:
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No, it does not. No way, no how does that happen. What does happen is that ll the little variables grow and grow the harder you push a cast bullet. Balance, voids, dynamic fit, obtruation, erosion, lube and alloy failure, rifling form, peak pressure, residual pressure and a bunch of other stuff combine to make shooting cast fast a difficult proposition. If you really, truly want to argue that air friction "melts" a cast bullet, then I'm going to demand proof. No offense, but I've been involved in trying to dispel these old wives tales about cast for a long time.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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