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 Post subject: Recoil Question
PostPosted: Mon Dec 18, 2017 3:01 pm 
Field Grade

Joined: Tue Dec 31, 2013 1:22 am
Posts: 81
Location: Wernersville, PA
Can anyone tell me which of the following loads would have the higher felt recoil?

1 oz. 8s @ 1180 fps
1 1/8 oz. 8s @ 1145 fps
1 1/8 oz. 7.5s @ 1145 fps

I know they're all probably very close, maybe without a noticeable difference, but I also know that the amount of shot and the size of the shot can all affect felt recoil. Any thoughts would be appreciated, thanks.



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Browning BT-99 34" bbl.
Carlson's Extended Sporting Clay M choke
Federal Ultra Clay & Field 2 3/4 dr., 1180 fps., 1 oz. 8s


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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 3:12 pm 
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Joined: Mon Jan 23, 2017 9:08 am
Posts: 692
Location: Central NH
The two 1 1/8 oz loads, which are the same, are higher than the 1 oz.


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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 3:20 pm 
Crown Grade
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Joined: Tue Jan 08, 2008 6:20 pm
Posts: 18252
You can Google "shotshell recoil calculator", plug in whatever payloads and speeds, and it will do the math for you.

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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 3:27 pm 
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Joined: Mon Jan 23, 2017 9:08 am
Posts: 692
Location: Central NH
http://www.omahamarian.org/trap/shotshellenergy.html

That's the one I used.


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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 4:06 pm 
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trap333 wrote:
Can anyone tell me which of the following loads would have the higher felt recoil?

1 oz. 8s @ 1180 fps
1 1/8 oz. 8s @ 1145 fps
1 1/8 oz. 7.5s @ 1145 fps

I know they're all probably very close, maybe without a noticeable difference, but I also know that the amount of shot and the size of the shot can all affect felt recoil. Any thoughts would be appreciated, thanks.


The size of the shot has no effect on recoil at all. Of the loads you listed, the 1 1/8 ounce loads will have about 14.6% greater recoil than the 1 ounce load. That is a noticeable difference in my opinion, especially after several boxes of shells.

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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 4:33 pm 
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Joined: Mon Apr 23, 2012 9:43 am
Posts: 460
ditto !!

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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 7:59 pm 
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Location: Bel Air, MD
Ditto to that as well and the real advantage is that the no. 8 shot has more shot in the shell giving a slight advantage to the possibility of more breaks.............
salesrep

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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 10:41 pm 
Field Grade

Joined: Tue Dec 31, 2013 1:22 am
Posts: 81
Location: Wernersville, PA
I did the calculation with the site a poster provided and the 1 oz load of 8s at 1180 fps = 15.6 ft lbs of recoil while the 1 1/8 oz. load of 8s at 1145 fps = 18 ft lbs of recoil. My Browning BT-99 weighs 8.3 lbs so I can't imagine a shooter would even feel only 2.4 ft lbs difference.

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Browning BT-99 34" bbl.
Carlson's Extended Sporting Clay M choke
Federal Ultra Clay & Field 2 3/4 dr., 1180 fps., 1 oz. 8s


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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 10:52 pm 
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Sure they will feel it. Laws of physics says so. What their perception of that will be is up to them.

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 Post subject: Re: Recoil Question
PostPosted: Mon Dec 18, 2017 11:17 pm 
Crown Grade

Joined: Sun May 17, 2015 6:25 pm
Posts: 2101
Location: On the wrong side of the river, Austin TX
trap333 wrote:
I did the calculation with the site a poster provided and the 1 oz load of 8s at 1180 fps = 15.6 ft lbs of recoil while the 1 1/8 oz. load of 8s at 1145 fps = 18 ft lbs of recoil. My Browning BT-99 weighs 8.3 lbs so I can't imagine a shooter would even feel only 2.4 ft lbs difference.


That's about 15% more recoil, which you will feel, especially after 100 targets.
I find it easier to shoot good scores with ammo that doesn't beat me up.


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 Post subject: Re: Recoil Question
PostPosted: Tue Dec 19, 2017 3:47 pm 
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Having shot essentially both loads I can say that, for me, I can feel the difference and the 1 oz load has less recoil. That is about my normal load. You should try both. My guess is that you will be able to tell the difference. But whether it will be enough difference to encourage you to give up 12.5% of the shot charge or not I cannot say. I normally do shoot the 1 oz loads because my problems with hitting targets extend well beyond the limits of a few pellets more or less in the pattern.


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 Post subject: Re: Recoil Question
PostPosted: Fri Dec 22, 2017 12:34 pm 
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Posts: 5892
Location: Colorado Springs, Co
I would feel the difference!


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 Post subject: Re: Recoil Question
PostPosted: Mon Jan 08, 2018 6:07 pm 
Crown Grade

Joined: Fri May 09, 2008 9:17 pm
Posts: 2714
Location: Kansas, Land of Oz
The choice for us trapshooters seems to be either 1 oz. or 1 1/8 oz. loads.
Anyone use a 1 1/16 oz load?
Don't think I've ever seen anyone mention a load like that....


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 Post subject: Re: Recoil Question
PostPosted: Mon Jan 08, 2018 7:08 pm 
Presentation Grade

Joined: Mon Jan 23, 2017 9:08 am
Posts: 692
Location: Central NH
mudpack wrote:
The choice for us trapshooters seems to be either 1 oz. or 1 1/8 oz. loads.
Anyone use a 1 1/16 oz load?
Don't think I've ever seen anyone mention a load like that....

Too much hair splitting for me. If I'm gonna break the target I'll do it with any load.


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 Post subject: Re: Recoil Question
PostPosted: Mon Jan 08, 2018 7:32 pm 
Crown Grade

Joined: Sun May 17, 2015 6:25 pm
Posts: 2101
Location: On the wrong side of the river, Austin TX
mudpack wrote:
The choice for us trapshooters seems to be either 1 oz. or 1 1/8 oz. loads.
Anyone use a 1 1/16 oz load?
Don't think I've ever seen anyone mention a load like that....


I have loaded 15/16 ounce loads, mostly because with a particular powder and wad combination, one ounce would give me slightly pooched out crimps.

Some factory promo ammo might actually be closer to 1 1/16 ounce than to a true 1 1/8 ounce load. At least that's what I discovered when I cut open a factory Gun Club that failed to fire.




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