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Old 11-01-2009, 02:38 PM
Almer Fudd Almer Fudd is offline
 
Join Date: Oct 2009
Location: Southern Alberta
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Default Wind drift

Is there anyone who can help me with question.
This weekend I was Mulie Hunting in some VERY strong winds (likely 70-90 KPH).
We spotted a decent Mulie Buck at 250 yds, wind was 90 degrees (broadside).
I'm shooting a .270, 150 gr. partition pushed by 57 gr. of 4350 (pretty hot)
I didn't shoot due to the strong wind gusts, early date and the buck was short about 30 inches.
My question is what would the wind drift be on this shot?

Thanks
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Old 11-01-2009, 02:47 PM
CoyoteChallenger's Avatar
CoyoteChallenger CoyoteChallenger is offline
 
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Location: Cypress County, AB
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I am not sure what it would be for that load but thought this might help. if you download this federal ballistics program you can input what the wind was on that day and then get a reading. it may not be the same for your rifle a cartridge but could be close. hope this helps.

http://www.federalpremium.com/resour...plication.aspx

Lets me know how your hunt goes!!!
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Old 11-01-2009, 02:51 PM
Pathfinder76 Pathfinder76 is offline
 
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Knock yourself out.

http://www.jbmballistics.com/~jbm/cg...bmtraj-5.0.cgi
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Old 11-01-2009, 03:20 PM
Almer Fudd Almer Fudd is offline
 
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Quote:
Originally Posted by CoyoteChallenger View Post
I am not sure what it would be for that load but thought this might help. if you download this federal ballistics program you can input what the wind was on that day and then get a reading. it may not be the same for your rifle a cartridge but could be close. hope this helps.

http://www.federalpremium.com/resour...plication.aspx

Lets me know how your hunt goes!!!
Thanks
That is an excellent download. It's on my desktop now!
So if my calculations are correct with a 50MPH wind (80 KPH) the wind drift is about 20 inches at 250 yds.
On a broadside buck facing into the wind I would need to hold on the brisket to make a kill zone shot.
Even with my bipod down the wind was making it difficult to hold steady.
Good shot not to try.
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  #5  
Old 11-01-2009, 05:18 PM
rembo rembo is offline
 
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Location: Sherwood Park, AB
Posts: 1,314
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Here's another good one...simpler than most...

http://www.biggameinfo.com/BalCalc.aspx
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