Range Report
08-24-2009, 04:05 PM
#11
Typical Buck
Join Date: Jul 2007
Location: Indianapolis, IN
Posts: 550
DR Asus
Lehigh is manufacturing a vent replacement for the Savage smokeless powder gun.
Sabot loader and I are taking our old breach plugs that have the touch hole flame cut to the point where they loose accuracy and machining them to take the vent liner so we can replace the vent liner for 5 dollars instead of buying a new BP; you have to see what I pay for an Endeavor BP to believe it.
Lehigh is manufacturing a vent replacement for the Savage smokeless powder gun.
Sabot loader and I are taking our old breach plugs that have the touch hole flame cut to the point where they loose accuracy and machining them to take the vent liner so we can replace the vent liner for 5 dollars instead of buying a new BP; you have to see what I pay for an Endeavor BP to believe it.
Dear Sir,
The speed breach XT in the Endeavor is made very durable and should last for the life of the firearm if cared for properly. However the gas rings that are on the plug may over time become damaged. Where your are experiencing blowback I would ask you to send your firearm in to us here at Thompson Center 400 North Main Street Rochester NH 03867. And we can determine what is causing the problem.
08-24-2009, 05:02 PM
#12
Nontypical Buck
Join Date: Mar 2009
Location: Saxonburg Pa
Posts: 3,925
Lee,
Dave will be very proud of your groups. Lehigh out shooting a FTX is really impressive. The FTX is probably my most accurate ML bullet ever shot. Great job.....I'll get those vent-liners for you.
Dave will be very proud of your groups. Lehigh out shooting a FTX is really impressive. The FTX is probably my most accurate ML bullet ever shot. Great job.....I'll get those vent-liners for you.
08-24-2009, 06:11 PM
#13
Giant Nontypical
Thread Starter
Join Date: Nov 2005
Posts: 6,585
Inrecordbookbuck
I have replaced 3 Omega and 1 Triumph breach plugs from flame cutting at the touch hole. Never had any problem with the rings or the "O" ring but when the accuracy falls off the first thing I check is the size of that hole and when it gets cut out and I replace that plug and the accuracy is right back where it should be, I assume I did the right thing. Lee
I have replaced 3 Omega and 1 Triumph breach plugs from flame cutting at the touch hole. Never had any problem with the rings or the "O" ring but when the accuracy falls off the first thing I check is the size of that hole and when it gets cut out and I replace that plug and the accuracy is right back where it should be, I assume I did the right thing. Lee
08-24-2009, 06:19 PM
#14
Giant Nontypical
Thread Starter
Join Date: Nov 2005
Posts: 6,585
My Endeavor just likes those 200gr Lehigh. The smallest groups I have gotten from the Endeavor were with the 200gr Lehigh, and I do shoot a lot of different bullets. It seems like the more powder I put behind them the better they shoot. I am going to try the 185gr in the Triumph next time out and look for the right load for them. I really would like to try some vent liners, it would be fun to switch them in and out of the same gun and compare results.Lee
08-25-2009, 09:48 AM
#16
Giant Nontypical
Thread Starter
Join Date: Nov 2005
Posts: 6,585
Rafsob
I do my own pressure testing and set my own limits. From my own testing BH runs about 15% less pressure than 777 so when you load 120 gr of 777 and 135 gr of BH you get about the same pressure. I also know of some commercial companies that were test up to 150 gr of BH in guns with thoughts about publishing such loads for there guns. I never tell anybody to do what I do and one of the reasons for that is that all guns are not made of equal quality now and that some of the older ones should not have over 90 gr of any kind of powder shot in them. Every one has to be the judge of if what they do is safe or not and pay the consequences if its not. Also I was in the business at one time and have some equipment that most do not have access to. Lee
I do my own pressure testing and set my own limits. From my own testing BH runs about 15% less pressure than 777 so when you load 120 gr of 777 and 135 gr of BH you get about the same pressure. I also know of some commercial companies that were test up to 150 gr of BH in guns with thoughts about publishing such loads for there guns. I never tell anybody to do what I do and one of the reasons for that is that all guns are not made of equal quality now and that some of the older ones should not have over 90 gr of any kind of powder shot in them. Every one has to be the judge of if what they do is safe or not and pay the consequences if its not. Also I was in the business at one time and have some equipment that most do not have access to. Lee
08-25-2009, 05:10 PM
#17
Fork Horn
Join Date: Sep 2008
Posts: 491
Lee, I thought folks were getting higher velocities using the same load volume in bh then 777. Maybe we are talking apples and oranges but I just assumed bh had the higher pressures which resulted in higher velocities. When I used 100 gr equiv of 777 and bh it sure seem like the bh kicked worse in my gun.maybe im assuming worse kick means more pressure and more speed. anyway that is some great shooting;on my best day i couldnt match that.
08-25-2009, 05:48 PM
#18
Nontypical Buck
Join Date: Mar 2009
Location: Saxonburg Pa
Posts: 3,925
08-25-2009, 05:49 PM
#19
Giant Nontypical
Thread Starter
Join Date: Nov 2005
Posts: 6,585
Deer 655
Its not quite that simple, think of it like this the pressure peak of 777 looks like a sharp peaked mountain the pressure peak of BH209 looks like a plateau its a combination of pressure and the length of the push that gives BH209 the added velocity this is partly due to the fact that it is a progressive burning powder while the other subs are a constant type powder Black is a low explosive which I am not going into. As for your question on velocity the best comparison is 777-FFF which is about the same up to 110 gr the BH209 walks away. [ we will ignore the fact that only rarely do you get good accuracy with heavy loads of FFF and good accuracy is normal with heavy loads of BH209 at least in my guns.
Lee
Its not quite that simple, think of it like this the pressure peak of 777 looks like a sharp peaked mountain the pressure peak of BH209 looks like a plateau its a combination of pressure and the length of the push that gives BH209 the added velocity this is partly due to the fact that it is a progressive burning powder while the other subs are a constant type powder Black is a low explosive which I am not going into. As for your question on velocity the best comparison is 777-FFF which is about the same up to 110 gr the BH209 walks away. [ we will ignore the fact that only rarely do you get good accuracy with heavy loads of FFF and good accuracy is normal with heavy loads of BH209 at least in my guns.
Lee
Last edited by lemoyne; 08-25-2009 at 05:57 PM.
08-26-2009, 03:53 AM
#20
Nontypical Buck
Join Date: Nov 2004
Location: Hayes, Va.
Posts: 2,332
Lee is in a category of his own. I was talking about the average joe who is not savy to the differences in the advanced performances of these varrying powders.
