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To alter diameter you would have to change the length. Shorter for fatter and longer for skinnier. How could you lengthen a bullet by applying high pressure to the back? If any change it would be shorter, thus fatter.

vzerone--Was your answer to David Reiss a response to a PM?

hydraulics as in swageing would be applicable to liquids. Lubes are not liquids thus they have air bubbles and can be compressed. Don't believe it? Introduce an air bubble into your brake line. Would it be path of least resistance to compress air bubbles, or to swage metal? Well, if it's the metal, then your brakes should still work with air bubbles. Some say lube melts and becomes liquid. In that micro portion of a nana second or however short duration in the barrel and it's gonna melt? Amazing.

Hydraulics applies to liquids. The lube on a bullet is not liquid, thus it can be compressed. It has tiny air bubbles, that's why it's not liquid. Under normal pressures it may not compress, it doesn't have large bubbles, but chamber pressures are much higher, and it is not liquid. . Take a cube of ice, it looks solid and you don't see air, but the air is there, that's why it expands and cracks your block if you don't have anti freeze. The water in your cooling system only filled the block and won't crack it. But when it takes on air it expands and like the Titantic, your block cracks. I don't believe a bullet is in the barrel long enough to turn the lube into a liquid. But at any rate to shrink the diameter of that bullet you will have to stretch it out longer. The big kick it gets in the butt would have an opposite effect.

Agreed there is a lot of heat from friction and the burning powder. But is the nana second exposure time long enough? A wet dog shakes itself in a somewhat circular motion and shakes most of the water off. If lube melted, at the fast rate it is spinning, it would be dry and void of all lube. Your photo, for example shows lube and not in liquid state.

Vzerone--If you go back and re-read the threads where I made wise ass remarks, they were directed at you for uncalled remarks you made. You were the instigator my friend. It was a "Toyota Deal", you asked for it and you got it.

I heard Gibson has to use a yardstick to measure his pecker.

This is for Don.........

Damn Ray, you are really persistent. When did God die and leave judgement to you?