super sharp shooter Posted September 23, 2012 Report Share Posted September 23, 2012 (edited) I have been loading a few home loads for the fowling season and thought i would pattern test them just to see how they performed with different chokes. Gun used: Benelli Supernova 3.5" pump Distance to pattern plate: 30 yrds Pattern plate size: 63cm x 60cm Cartridge make up: 33 grn Alliant powder steel / 42 grm steel shot no 2 in a 3.5" case (185 pellets) This was shot with 1/4 choke with 107 hits on target 57% hit rate with not to many holes in the pattern. This was shot with 1/2 choke with 148 hits on target 80% hit rate with a better pattern than the 1/4 choke. This was repeated 3 times with each choke and the results were almost identical + or - a few. so now i will be home loading all of my fowling and using a 1/2 choke. Edited September 23, 2012 by super sharp shooter Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted September 23, 2012 Report Share Posted September 23, 2012 thats the way to do it. Quote Link to comment Share on other sites More sharing options...
UK fowler Posted September 23, 2012 Report Share Posted September 23, 2012 good stuff a bit of home work pays off and you will get the results in the field when it counts .Where is the load data from by the way 33grains sounds a bit light most of my data is for 36grains and the hot fed 209a primmer gives around 1350fps you dont want to drop below that speed with steel shot the best patterns in the world wont kill without the speed 1 3/8oz tends to give a better alround load as it tends to produce more speed and less pressure. keep it up Quote Link to comment Share on other sites More sharing options...
super sharp shooter Posted September 23, 2012 Author Report Share Posted September 23, 2012 The load data recipe was from a PW member and from the allient steel menu sheet. Can I add more powder to this to give me more speed as this calculates to 1305fps/13000psi.. Quote Link to comment Share on other sites More sharing options...
motty Posted September 24, 2012 Report Share Posted September 24, 2012 The load data recipe was from a PW member and from the allient steel menu sheet. Can I add more powder to this to give me more speed as this calculates to 1305fps/13000psi.. DO NOT ADD MORE POWDER! That is dangerous. That load already has fairly high pressures. That doesn't seem like the best recipe. I have data for loads at speeds up to 1450fps for 1 1/2 oz and at pressures below 12000psi. Quote Link to comment Share on other sites More sharing options...
super sharp shooter Posted September 24, 2012 Author Report Share Posted September 24, 2012 Can you give me the recipe for that motty Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted September 24, 2012 Report Share Posted September 24, 2012 never forget that saami and cip specs are different, and that the cip governing body recognises that cartridges that are HP steel can have a working pressure of max1050BAR, this equates to about 15000psi. the 3.5" steel is 14000psi maximum for saami specs. which is lower than the a forementioned HP steel max 1050bar.... apart from the limp speed there is nothing wrong with that load, BBs would be a rocking load. ! in all honestly, leave the load alone. just shoot stuff. what some guys dont understand that pressure has a love / hate relationship. we get it, the pressures are mildly higher than the normal 12gauge loads. but its a high performance load and needs higher pressure to get it running. alliant steel and other powders at that end of the burn charts need pressure just to burn right, to use every flake of powder. at that end they need at least 12000psi just to get going and not bloop. Quote Link to comment Share on other sites More sharing options...
motty Posted September 24, 2012 Report Share Posted September 24, 2012 never forget that saami and cip specs are different, and that the cip governing body recognises that cartridges that are HP steel can have a working pressure of max1050BAR, this equates to about 15000psi. the 3.5" steel is 14000psi maximum for saami specs. which is lower than the a forementioned HP steel max 1050bar.... apart from the limp speed there is nothing wrong with that load, BBs would be a rocking load. ! in all honestly, leave the load alone. just shoot stuff. what some guys dont understand that pressure has a love / hate relationship. we get it, the pressures are mildly higher than the normal 12gauge loads. but its a high performance load and needs higher pressure to get it running. alliant steel and other powders at that end of the burn charts need pressure just to burn right, to use every flake of powder. at that end they need at least 12000psi just to get going and not bloop. Are you sure? I've got recipes for 12g 3 1/2" at 1400 fps and 7900psi. Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted September 24, 2012 Report Share Posted September 24, 2012 yup ! and i mean burning clean. Quote Link to comment Share on other sites More sharing options...
motty Posted September 24, 2012 Report Share Posted September 24, 2012 yup ! and i mean burning clean. No, that can't be right! Another recipe i just looked up - 1670 fps and pressure 7600 psi. You're saying the shell will bloop? Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted September 24, 2012 Report Share Posted September 24, 2012 could do in cold weather. these ultra slow powders need a higher peak pressure to get the best out of them. 7000psi is virtually no pressure, i`ve had titewd bloop at below 6000psi and thats a real fast powder. easy to ignite, too. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.