Range Report- Experiment
08-31-2009 | 02:18 PM
#1
Thread Starter
Giant Nontypical
Joined: Nov 2005
Posts: 6,585
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Range Report- Experiment
I wanted ti try Sabot loaders idea that a bigger flame channel between the primer pocket and the touch hole would reduce carbon up and not cause any problems. I shot gongs all the way to 250 and am very happy to say he was right.
I drilled all the way from the primer pocket to where its threaded for the vent liner with a number 24 drill, carbon was reduced considerable.
While I was experimenting I decided to prove a point. Wad pressure [I call it that for lack of a better name] makes a difference. I had an E-Mail that question the statement I made about that the other day, so here is my evidence.
I loaded short so the sabot and bullet was sitting a half inch [about ] above the powder, then pushed it down very carefully with a scale rigged on my range rod the leverage was for the scale but the question was if it made a difference and how much not what pressure to use. Here are the targets shot at 100yds with the wad pressure marked. Lee
PS all comments are welcome we learn from each other.
I drilled all the way from the primer pocket to where its threaded for the vent liner with a number 24 drill, carbon was reduced considerable.
While I was experimenting I decided to prove a point. Wad pressure [I call it that for lack of a better name] makes a difference. I had an E-Mail that question the statement I made about that the other day, so here is my evidence.
I loaded short so the sabot and bullet was sitting a half inch [about ] above the powder, then pushed it down very carefully with a scale rigged on my range rod the leverage was for the scale but the question was if it made a difference and how much not what pressure to use. Here are the targets shot at 100yds with the wad pressure marked. Lee
PS all comments are welcome we learn from each other.
Last edited by lemoyne; 08-31-2009 at 02:32 PM.
08-31-2009 | 04:22 PM
#4
Boone & Crockett
Joined: Apr 2007
Posts: 10,918
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From: River Ridge, LA (Suburb of New Orleans)
Well, that sure tells the tale Lee. It leads to the question "does a stop collar on the loading rod result in equal pressure on the load?". It would be interesting to repeat the experiment with a stop collar instead of a scale, and move the collar 1/16" at a time.
08-31-2009 | 04:43 PM
#5
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Giant Nontypical
Joined: Nov 2005
Posts: 6,585
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Semisane
While I have done some experimenting with a stop collar rod I have not gone so far as to deliberately leave the sabot bullet combination clear of the powder; I am inclined to believe that could put the POI clear off the paper and cause miss and hang fires. What I did come to the conclusion of is that with the powder measured carefully and the first load set down hard then the stop set at that point they work very well; some one that had trouble getting a consistent wad pressure would be likely to see considerable improvement in there groups. I know it eliminated nearly all my fliers. Lee
While I have done some experimenting with a stop collar rod I have not gone so far as to deliberately leave the sabot bullet combination clear of the powder; I am inclined to believe that could put the POI clear off the paper and cause miss and hang fires. What I did come to the conclusion of is that with the powder measured carefully and the first load set down hard then the stop set at that point they work very well; some one that had trouble getting a consistent wad pressure would be likely to see considerable improvement in there groups. I know it eliminated nearly all my fliers. Lee
