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Post by ET on Jul 26, 2011 20:36:11 GMT -5
Greenhorn
Bore friction or resistance is an opposing force to acceleration but I ‘m looking at that affect a little different now. Where bore resistance appears to play a major role in pressure buildup and beginning rate of acceleration. Once a certain threshold is reached bore resistance becomes negligible. As for head pressure I haven’t even considered that because I have as of yet to see any major affect it would have.
But what I can’t get away from is the law of physics where an acting force on an object creates movement from the transfer of kinetic energy. In this case it is the pressure in the bore behind the bullet. Here there has to be a relationship.
Now I also spoke of a threshold that appears to occur at .5ms. As pressure is already continuing in decaying the rate of acceleration is also showing the start of decay/decline. What has me stymied is not being able to put a value here for the relations ship of rate of pressure decay to rate of acceleration decay. It is obviously seen in the graph. Now I still feel there is a relationship here because of the laws of physics.
The graph of pressure and velocity combined appears to be a feature of Quickload and until I can afford to get a copy in my hands to see more of these generated graphs to compare I’m about as far as I can go here.
Well if you are a greenhorn then I’m a tinhorn. ;D
Ed
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