Originally Posted by Derek M.
Well you have made it quite obvious you don't have a fundamental understanding of what fireworks is getting at and my best guess is you have failed to read this from him:
The poster is talking about heating up the tube for a first shot in the field. And I said exactly what I meant so reread it cautiously before I point out you being wrong again and again.
Then I will revert to my origonal statement......if my (fouled) gun didn't shoot the same place from first shot to , say third, or fifth shot it would be a tomato stake or FF tube. The only thing that affects my fist shot is if the bore has been cleaned. Now...if you are talking 15 -20 rapid shots ...ie, a HOT tube vs a cold one..then yes , you will get verticle simply by the velocity change from the entire bbl swelling. You will get a little faster. But we are talking hunting situations here, not br/fclass, and not load development. Things in the hunting world should NEVER get that hot. I have shot MANY five shot GROUPS at my 1200 yard target (I have my own range) starting with a cold bore. The targets are the same as one fired with a warm bore. I see no evedence of that little amount of heat affecting anything. I color my bullets and activly look for any stringing..I know which is my first and my 5th shot. Now, that being said I still find myself ..once in a while...waiting 30 min between shots to conferm my final zero. I think it's a recessive gene popping out now and then.
Now, a poor factory tube, or a poorly relieved custom (which is very rare).. ..whole nother deal. But this is LR hunting We best be using the best and correct any issues.
Wind....as far as the OP and title of the thread....we are talking FIRST SHOT...which, to the best of my knowlege, means cold bore. xx degrees is xx degrees weather the wind is blowing or not. True, once you warm things up the wind will help cool things down faster. Also, if you zeroing your rifle at 80 degrees above and then expect it to perform at -10 without first checking zero... I mean...come on....really?? I can see a 20 - 40 degree difference..we see that from day to day up here, but come on..90 to 100 degrees.
You want to make things truly equal.....keep YOUR AMMO TEMPS the same...say , body temp. The differnce between hot and cold ammo is definatly a reality. Try shoot rounds that have been baked in the sun in the same group as ones right out of the cooler...........................
........ But, that is a whole nother topic.