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Joined: Mar 2006
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Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
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Just a quick look, but 7828, H1000, RL22, RL26, and I am sure a few others will get a 180 ELD up over 2900 pretty safely. Of those, only H1000 is temperature stable. What load and COAL in the 7mm WSM gets the 180 ELD-M with H1000 over 2900 (not being smart...Hodgdon doesn't list the 180 ELD-M)? I typically use 7828ssc, which is very temp stable in this application. I've also got a great load with R26, which has also been pretty stable, IME.
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Joined: Mar 2006
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Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
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Reloder 26 also increases velocities in the .270 WSM, by a similar margin as what it does in the 7mm WSM. Therefore, the 3100 fps in the .270 WSM would need to be increased if using Reloder 26 in the comparison. I get very similar velocities with equal charge weights of 7828ssc and R26. It doesn't take R26 to break 2900 fps with the 180 ELD.
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Joined: Mar 2006
Posts: 14,592 Likes: 11
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
Posts: 14,592 Likes: 11 |
Little Stick, there is no pretending by me at all, the exercise with the analysis of the 270 WSM with high bc 140 or 150 bullets is to demonstrate that your beloved 180 ELD-M -(your quote: "The 270 Whizzum,can't begin to touch the 7 Whizzum,as the .796 BC 180 ELD is simply magnificent") in a 7mm WSM isn't significantly better ballistically than the .270 WSM with bullets that actually exist. In fact, the .270 WSM has a flatter trajectory and wind-drift is better with the .270 WSM if you only achieve 2800 fps in the 7mm WSM and only marginally behind if you can achieve 2900 fps, with temperature stable powders. Again, you're inventing this 2800 fps limit. I can get ~2950 fps with 7828ssc and the 180 ELD in 24" barrels. The .270WSM isn't beating that. And if you want to take things a step further, we can always compare aluminum tip to aluminum tip, and go with the 190 ATip with 0.838 G1 BC at about 2825 fps in a 24" barreled 7WSM.
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Joined: Jan 2018
Posts: 1,390
Campfire Regular
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Campfire Regular
Joined: Jan 2018
Posts: 1,390 |
Little Stick, there is no pretending by me at all, the exercise with the analysis of the 270 WSM with high bc 140 or 150 bullets is to demonstrate that your beloved 180 ELD-M -(your quote: "The 270 Whizzum,can't begin to touch the 7 Whizzum,as the .796 BC 180 ELD is simply magnificent") in a 7mm WSM isn't significantly better ballistically than the .270 WSM with bullets that actually exist. In fact, the .270 WSM has a flatter trajectory and wind-drift is better with the .270 WSM if you only achieve 2800 fps in the 7mm WSM and only marginally behind if you can achieve 2900 fps, with temperature stable powders. Again, you're inventing this 2800 fps limit. I can get ~2950 fps with 7828ssc and the 180 ELD in 24" barrels. The .270WSM isn't beating that. And if you want to take things a step further, we can always compare aluminum tip to aluminum tip, and go with the 190 ATip with 0.838 G1 BC at about 2825 fps in a 24" barreled 7WSM. I get 2850 from a 21" 7wsm with 180 ELDMs and H-1000.
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Joined: Jan 2001
Posts: 58,755 Likes: 57
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2001
Posts: 58,755 Likes: 57 |
As COAL goes,I just opened some Mail,slated to .838 BC's in .284" upon a .473" L/A. Hint. That looks like fun! What do you think of those LA 3-round mags? Just open said parcel today. Billed COAL is 3.630",but I measure 3.645",which is a"nice" problem to have. Hint. With a 180 ELD in 280 SALAMI. I typically set throats to kiss same at 3.585",which is shorter than pictured by .050" or so. Hint. Dummies slip/slide nicely,as per typical AICS DBM's do. Hint..............
Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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Joined: Jan 2001
Posts: 58,755 Likes: 57
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2001
Posts: 58,755 Likes: 57 |
Should have added,with said throat geometry,190 Beer Cans play nicely too...in 280 SALAMI,280 Aye Eye and 7mm RemMag. Hint. Just sayin'................
Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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Joined: Mar 2006
Posts: 14,592 Likes: 11
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
Posts: 14,592 Likes: 11 |
Very nice. That OAL leeway is more friendly than the SA version. I've got a handful of those, but their utility is limited.
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Joined: Jun 2005
Posts: 445
Campfire Member
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OP
Campfire Member
Joined: Jun 2005
Posts: 445 |
Big Stick, Beretzs, Jordan, Riflehunter, Rex - thanks for entering the fray. As the OP I'm happy to read all of your comments. The more data points, the better. A guy makes his own "luck" and a Skookum Rifle launching 180 ELD's,connects all dots by default. 1-8" is a forgiving place to be,whether 7-08,7-08AI,284 Win,Whizzum,280,280AI or 7mm RemMag,if only because I shoot them all(I'm done with ShamWow's and STW's). Hint. It's never been difficult to discern who shoots and who Pretends. Hint.(grin) I haven't scored a new Tikka stock,since this morning,when The 'Horn snuck up on me and dropped it off on the sly. It's a CTR for my 224 Speedmire and my greatest reservations in your project,are those fhuqking schitty Tikka mags and bottom "metal",which aren't CTR or AICS(I shoot both). Hint................ I've replaced those parts in my T3X with Mountain Tactical bottom metal and long action billet magazine. Not the equal of the CTR or AICS I'm sure but better than stock I suspect.
Last edited by fortymile; 01/22/24.
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Joined: Aug 2021
Posts: 1,674 Likes: 3
Campfire Regular
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Campfire Regular
Joined: Aug 2021
Posts: 1,674 Likes: 3 |
Little Stick, there is no pretending by me at all, the exercise with the analysis of the 270 WSM with high bc 140 or 150 bullets is to demonstrate that your beloved 180 ELD-M -(your quote: "The 270 Whizzum,can't begin to touch the 7 Whizzum,as the .796 BC 180 ELD is simply magnificent") in a 7mm WSM isn't significantly better ballistically than the .270 WSM with bullets that actually exist. In fact, the .270 WSM has a flatter trajectory and wind-drift is better with the .270 WSM if you only achieve 2800 fps in the 7mm WSM and only marginally behind if you can achieve 2900 fps, with temperature stable powders. Again, you're inventing this 2800 fps limit. I can get ~2950 fps with 7828ssc and the 180 ELD in 24" barrels. The .270WSM isn't beating that. And if you want to take things a step further, we can always compare aluminum tip to aluminum tip, and go with the 190 ATip with 0.838 G1 BC at about 2825 fps in a 24" barreled 7WSM. Yes, at 2950 for the 180 in the 7mm WSM at 600 yards, the 10 mph drift is 15.3 v 16.0 inches for the 150 .270 WSM, at 500 yards 10.4 v 10.9 inches, 400 yds 6.5 v 6.8 inches. The .270 WSM has less drop.
Last edited by Riflehunter; 01/22/24.
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Joined: Jan 2001
Posts: 58,755 Likes: 57
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2001
Posts: 58,755 Likes: 57 |
I'm a S/A AICS DBM Slut,along with AW and CTR...depending upon the platform. Hint. On a S/A 700,it's easy to upsize/downsize a boltface,to get where you want to be and then feed it flawlessly ala AICS. Also dig 'em on some OEM offerings and when opting binderless mags,they do some nice COAL favors(MUCH greater than the above L/A AICS). Hint. This was waiting for me,when I got home. Nice to change barrels sooooo easily and convert mags. Accuracy International AT-X in Seex Kreed. Yanked OEM spout before firing,installed a K&P 1-7" Dasher tube,swapped mag guts and was off to the races,less feed/function/COAL concerns. Hint. It's the only way to drive a 700 S/A in Whizzum or ShamWow. Though I MUCHLY prefer a Montucky there. Hint. Some OEM S/A favorites wear same. Hint. Mag selection,is of course paramount,for feed,function and COAL. Hint..............
Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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Joined: Jan 2001
Posts: 58,755 Likes: 57
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2001
Posts: 58,755 Likes: 57 |
Big Stick, Beretzs, Jordan, Riflehunter, Rex - thanks for entering the fray. As the OP I'm happy to read all of your comments. The more data points, the better. A guy makes his own "luck" and a Skookum Rifle launching 180 ELD's,connects all dots by default. 1-8" is a forgiving place to be,whether 7-08,7-08AI,284 Win,Whizzum,280,280AI or 7mm RemMag,if only because I shoot them all(I'm done with ShamWow's and STW's). Hint. It's never been difficult to discern who shoots and who Pretends. Hint.(grin) I haven't scored a new Tikka stock,since this morning,when The 'Horn snuck up on me and dropped it off on the sly. It's a CTR for my 224 Speedmire and my greatest reservations in your project,are those fhuqking schitty Tikka mags and bottom "metal",which aren't CTR or AICS(I shoot both). Hint................ I've replaced those parts in my T3X with Mountain Tactical bottom metal and long action billet magazine. Not the equal of the CTR or AICS I'm sure but better than stock I suspect. MT makes some good stuff and you are stepping in the right direction. I don't have a Teeker,that doesn't wear some of their parts. Hint. They are horribly fhuqking up,by not continuing their AICS DBM's though. Hint. They make for HUGE gains of COAL,in 223 especially,which is an OEM Fhuqk Show. Hint. Their Rimfire stuff is good too. Hint. Be curious to hear,how it all sorts out for you. Hint.................
Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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Joined: Jun 2019
Posts: 2,539 Likes: 7
Campfire Regular
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Campfire Regular
Joined: Jun 2019
Posts: 2,539 Likes: 7 |
Just a quick look, but 7828, H1000, RL22, RL26, and I am sure a few others will get a 180 ELD up over 2900 pretty safely. Of those, only H1000 is temperature stable. What load and COAL in the 7mm WSM gets the 180 ELD-M with H1000 over 2900 (not being smart...Hodgdon doesn't list the 180 ELD-M)? I typically use 7828ssc, which is very temp stable in this application. I've also got a great load with R26, which has also been pretty stable, IME. R26 has also been nicely temp resistant with 175 TGK in my 8" twist 270 WSM. I have only shot from about 30-90 degrees but it has been only about 15 FPS variation in that range. I'm only running those 175's at about 2850 but they do great at that speed. Sounds like you decided on staying with the 270 WSM when you rebarrel. Feel free to PM me when you do it to share some load data. I am limited to only a little over 3.02" in OAL by my magazine so we might not be "apples-to-apples", but if you're seating longer at least all my loads ought to be conservative for you. Cheers, Rex
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Joined: Jun 2005
Posts: 445
Campfire Member
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OP
Campfire Member
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Posts: 445 |
Thank you Rex, I will definitely take you up on that.
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Joined: Jul 2022
Posts: 42
Campfire Greenhorn
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Campfire Greenhorn
Joined: Jul 2022
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I shoot the 7mm WSM and love it. That said, you need to look at a few things - Availability of brass, over the counter ammo in a pinch and what you are shooting.
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Joined: Nov 2005
Posts: 6,170
Campfire Tracker
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Campfire Tracker
Joined: Nov 2005
Posts: 6,170 |
I shoot the 7mm WSM and love it. That said, you need to look at a few things - Availability of brass, over the counter ammo in a pinch and what you are shooting. Lapua just announced 300wsm brass. With a little work you can make 7mm wsm from 300wsm yes?
The collection of taxes which are not absolutely required, which do not beyond reasonable doubt contribute to public welfare, is only a species of legalized larceny. Under this Republic the rewards of industry belong to those who earn them. Coolidge
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Joined: Aug 2021
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Campfire Regular
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Campfire Regular
Joined: Aug 2021
Posts: 1,674 Likes: 3 |
I shoot the 7mm WSM and love it. That said, you need to look at a few things - Availability of brass, over the counter ammo in a pinch and what you are shooting. Lapua just announced 300wsm brass. With a little work you can make 7mm wsm from 300wsm yes? Perhaps if you read this thread, you will find this point discussed in detail.
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Joined: Mar 2006
Posts: 14,592 Likes: 11
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
Posts: 14,592 Likes: 11 |
I shoot the 7mm WSM and love it. That said, you need to look at a few things - Availability of brass, over the counter ammo in a pinch and what you are shooting. Lapua just announced 300wsm brass. With a little work you can make 7mm wsm from 300wsm yes? Very little work. Just run the brass through a 7mm sizing die, sizing further and further down the neck until you get a bit of a crush fit in your chamber, leaving the base of the neck the factory diameter.
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