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 Rifles, Bullets, Barrels & Ballistics

# Warm up your Ballistics Calculator!

#8
01-27-2010, 04:18 PM
 Platinum Member Join Date: Aug 2003 Location: NC, oceanfront Posts: 4,190
Re: Warm up your Ballistics Calculator!

Using a modified Pejsa spreadsheet, which has no accounting for Rh, coriolis, or spindrift:
750 = 12.3 -2.0
1015= 20.7 -2.9
1600= 49.3 -5.5
2200= 107.7 -9.6
#9
01-27-2010, 09:11 PM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,830
Re: Warm up your Ballistics Calculator!

Reloader's Archive accounting for ALL variables listed:

750 = 12.25 MOA drop/2.25 MOA windage

1015 = 20.5 MOA drop/3.25 MOA windage

1600 = 49.0 MOA drop/6.5 MOA windage

2200 = 108.0 MOA drop/12.25 MOA windage

It is notable that at 1600 yards the velocity is nearing the transonic zone and at 2200 yards it is way under at 755 FPS.
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Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
#10
01-28-2010, 01:57 AM
 Bronze Member Join Date: Nov 2006 Location: Finland Posts: 66
Re: Warm up your Ballistics Calculator!

Our "regular cell phone solution", I can't give you the exact numbers because the software automatically rounds to nearest 1/4 MOA click:

Code:
```Range  	Elevation	Windage
correction	correction
----------------------------------
750 	UP 12.0 MOA	Left 2.25 MOA
1015	UP 20.25 MOA	Left 3.5 MOA
1600	UP 49.0 MOA	Left 7.25 MOA
2200	UP 111.75 MOA	Left 14.25 MOA```
( using Bryan's table format as a template for clarity )
#11
01-28-2010, 04:48 AM
 Platinum Member Join Date: Feb 2005 Location: Nevada Posts: 2,783
Re: Warm up your Ballistics Calculator!

Includes Coriolis and Spin Drift
using G7

__________________
-----------------------------

-----------------------------
HEBREWS 13:8
Jesus Christ the same yesterday, and to day, and for ever.

Our Lord Jesus said that as it was in the days of Noah and
also as it was in the days of Lot so it shall be in the days...
It's happening again!!! God sent to us His prophet, and His Word
to this generation and we once more are rejecting it as was prophesied!!!

---> As promised, God Sent His Prophet to us!

Last edited by Eaglet; 01-28-2010 at 06:00 AM. Reason: using wrong hemisphere... garbage in, garbage out.
#12
01-29-2010, 12:17 AM
 Platinum Member Join Date: Nov 2008 Location: SW Montana Posts: 5,770
Re: Warm up your Ballistics Calculator!

Using Loadbase 3.0 Mobile this is what I came up with. Using spin drift and coriolis in the G7.

750 yrds 12.1 up and 2.5 left 2136.5 fps

1015 yrds 20.3 up and 3.6 left 1785.6 fps

1600 yrds 49.4 up and 7.2 left 1140.4 fps

2200 yrds 108.0 up and 12.0 left 876.1 fps
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#13
01-29-2010, 11:24 PM
 Platinum Member Join Date: Feb 2005 Location: Nevada Posts: 2,783
Re: Warm up your Ballistics Calculator!

Quote:
 Originally Posted by bsl135 Using the G7 BC and MOBALL. Solution includes coriolis and spin drift. Code: ```Range Elevation Windage correction correction ---------------------------------- 750 UP 12.1 MOA Left 2.4 MOA 1015 UP 20.4 MOA Left 3.6 MOA 1600 UP 49.4 MOA Left 7.2 MOA 2200 UP 107.1 MOA Left 12.3 MOA``` -Bryan
Bryan, we're pretty close for the first 1600 yards. We have 0.9 moa = 20.7" difference at 2200 yards.

__________________
-----------------------------

-----------------------------
HEBREWS 13:8
Jesus Christ the same yesterday, and to day, and for ever.

Our Lord Jesus said that as it was in the days of Noah and
also as it was in the days of Lot so it shall be in the days...
It's happening again!!! God sent to us His prophet, and His Word
to this generation and we once more are rejecting it as was prophesied!!!

---> As promised, God Sent His Prophet to us!
#14
01-29-2010, 11:30 PM
 Platinum Member Join Date: Feb 2005 Location: Nevada Posts: 2,783
Re: Warm up your Ballistics Calculator!

Quote:
 Originally Posted by bigngreen Using Loadbase 3.0 Mobile this is what I came up with. Using spin drift and coriolis in the G7. 750 yrds 12.1 up and 2.5 left 2136.5 fps 1015 yrds 20.3 up and 3.6 left 1785.6 fps 1600 yrds 49.4 up and 7.2 left 1140.4 fps 2200 yrds 108.0 up and 12.0 left 876.1 fps

My goodness, you and I are real close!!! 4.6" difference on windage at 2200
__________________
-----------------------------

-----------------------------
HEBREWS 13:8
Jesus Christ the same yesterday, and to day, and for ever.

Our Lord Jesus said that as it was in the days of Noah and
also as it was in the days of Lot so it shall be in the days...
It's happening again!!! God sent to us His prophet, and His Word
to this generation and we once more are rejecting it as was prophesied!!!

---> As promised, God Sent His Prophet to us!

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