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Old 01-12-2021, 05:03 PM
rich rich is offline
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Join Date: Dec 2020
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Default anyone got a ballistic calculator?

Had a tiny favour to ask. I've tried to get some range cards from a few calculators but seem to get results that are obviously wrong.
I'm trying to find out 300m and 500m performance for a hypothetical 17. Rem setup.

Basically it's a 45grainVLD with 3150fps. B.C. might be around 0.38G1
I say again it's hypothetical, I'm aware of the stability problems with 45s, I just want to get a rough gauge.

So it's the energy and drop at 300m and 500m, if anyone has a decent calculator and could tell me

Thanks.
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  #2  
Old 01-12-2021, 06:56 PM
Daryl Daryl is offline
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Join Date: Sep 2006
Location: Prince George, B.C. Canada
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I have been using one that seemed spot-on, for years
with everything from my .17 AH, .17 Rem. .22-250, .30/06 and .300 mag.
There seems to be a problem loading now.
http://www.shooterscalculator.com/
now (Jan. 15th), it's working.
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Last edited by Daryl; 01-15-2021 at 06:54 PM.
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  #3  
Old 01-13-2021, 12:14 AM
Hog Patrol Hog Patrol is offline
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Berger has one online. Just need the bullet dimensions and muzzle velocity.

https://bergerbullets.com/twist-rate-calculator/
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Old 01-13-2021, 01:29 AM
TinMan TinMan is offline
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Okay. I have a very old version of Point Blank that has always worked for me.

I ran the results for your conditions, but I used yards, not meters, since my calculator was set up that way. I used 0.001 scope height to get total drop (inches) and energy (ft-lb).

At 300 yds, 18.7" total drop and 597 ft-lb.

At 500 yds, 59.1" total drop and 413 ft-lb.

Hope this is close enough for your hypothetical case.
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  #6  
Old 01-14-2021, 06:23 PM
Dean2 Dean2 is offline
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Join Date: Jan 2010
Location: Alberta
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Quote:
Originally Posted by rich View Post
Had a tiny favour to ask. I've tried to get some range cards from a few calculators but seem to get results that are obviously wrong.
I'm trying to find out 300m and 500m performance for a hypothetical 17. Rem setup.

Basically it's a 45grainVLD with 3150fps. B.C. might be around 0.38G1
I say again it's hypothetical, I'm aware of the stability problems with 45s, I just want to get a rough gauge.

So it's the energy and drop at 300m and 500m, if anyone has a decent calculator and could tell me

Thanks.
More calculators than you know what to do with and it has a really complete bullet library built right in.

https://www.jbmballistics.com/ballis...culators.shtml
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