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Post by lwh723 on Feb 3, 2016 9:09:38 GMT -5
I am working on getting setup to do another run of the Savage bolt heads. As designed, you're right, you can only get about 0.190-0.200 insertion. As of right now, I've got two enhancements planned for this next run. 1) Modify the head to allow for deeper insertion. 2) Rotate primer slot 15* lower, to allow for easier insertion/removal on the target actions. Now you're doing this LOL. This would help out alot on inserting and extracting on the target action. I plan on having some sort of discounted offering for guys that want to upgrade.
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Post by rambler on Feb 3, 2016 9:12:09 GMT -5
Now you're doing this LOL. This would help out alot on inserting and extracting on the target action. I plan on having some sort of discounted offering for guys that want to upgrade. Excellent!!!
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Post by Jon on Feb 3, 2016 9:44:03 GMT -5
Luke. Please let us know on the upgrade and availability.
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Post by TGinPA on Feb 3, 2016 10:46:20 GMT -5
Earnhardt: In regard to your your question as to whether I have seen primer damage when a.021in bushing is used behind a full load:
Looking back through my records, in a .375cal bbl, with more than 40 consecutive traces recorded using a .021 tungsten bushing (14/64 PFC or greater) no signs of primer damage or primer bulging have been seen to date. At this time, the heaviest load in this series generated slightly over 2800fps for a 300gr jacketed bullet fired from a 28in. bbl. TG
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Post by Earnhardt on Feb 4, 2016 20:12:05 GMT -5
Earnhardt: In regard to your your question as to whether I have seen primer damage when a.021in bushing is used behind a full load: Looking back through my records, in a .375cal bbl, with more than 40 consecutive traces recorded using a .021 tungsten bushing (14/64 PFC or greater) no signs of primer damage or primer bulging have been seen to date. At this time, the heaviest load in this series generated slightly over 2800fps for a 300gr jacketed bullet fired from a 28in. bbl. TG No bulging with a 14/64" PFC?...That's great to hear. I hadn't gotten into opening up PFC's until after the .016-.021" bushing days... What is the standard PFC in an Arrowhead plug? 9/64"?
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Post by Deleted on Feb 6, 2016 22:31:17 GMT -5
I am working on getting setup to do another run of the Savage bolt heads. As designed, you're right, you can only get about 0.190-0.200 insertion. As of right now, I've got two enhancements planned for this next run. 1) Modify the head to allow for deeper insertion. 2) Rotate primer slot 15* lower, to allow for easier insertion/removal on the target actions. I was able to machine the chamfer back on the 209 bolt head and now have .225" of primer in the breech plug with a .005" crush fit into a shelf that I installed at .225" deep. Hoping to shoot heavy loads with a .040 bushing and standard flame channel with no bulging.
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Post by al53 on Feb 7, 2016 7:20:13 GMT -5
Does any know if Titanium would be good metal for bushing material...would it be stronger than the pure tungsten or the tungsten/carbide ones..also you think it wont crack like some of the .040 ones have been..also what is the diameter of the bushing used in Lukes plug..I have not taken mine out yet to check...
AL
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Post by rambler on Feb 7, 2016 8:33:36 GMT -5
Does any know if Titanium would be good metal for bushing material...would it be stronger than the pure tungsten or the tungsten/carbide ones..also you think it wont crack like some of the .040 ones have been..also what is the diameter of the bushing used in Lukes plug..I have not taken mine out yet to check... AL .250
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