View Single Post
Old 09-08-2013, 19:21   #25
steve4102
Senior Member
 
steve4102's Avatar
 
Join Date: Jan 2009
Posts: 1,040
Quote:
Originally Posted by fredj338 View Post
Where exp comes in. When I am going to a new bullet/powder or calibner combo, I use avg book data & work up. Using a chrono, comparing vel to book data, modififed for bbl length of course, it's a safe way to work up loads w/ no guessing involved. Like data manuals, LQ is another good tool, but not to be trusted as the final word.
Velocity "Modified for barrel length", How much for each inch of barrel? Is this the same for rifle as it is for pistol. Where did you get your "Modified for barrel length" number? Is there a hard and fast rule for this or is it an educated Guess?
__________________
Give a man a fish and he eats for a day. Give a man a welfare check, a forty ounce malt liquor, a crack pipe and some Air Jordan's and he votes Democrat for a lifetime.
steve4102 is offline   Reply With Quote