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What program will calculate muzzle velocity

spersky

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Full Member
Minuteman
May 3, 2010
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I was wondering what program you guys could recommend that I can use to calculate muzzle velocity using bullet drop. I really cannot justify buying a chrono, but it would be nice to calculate bullet drop.

Any good programs that do this for an Android Tablet?

thanks
 
Re: What program will calculate muzzle velocity

I have tried using quickload many times, but for some reason, even with all the correct information put in I never get correct muzzle velocities and estimated pressures. Maybe I'm just doing something wrong...
 
Re: What program will calculate muzzle velocity

will programs like Ballistics or Shooter work or do you need the measured muzzle velocity?

Thanks
 
Re: What program will calculate muzzle velocity

A chronograph. I have rifles of the same caliber and barrel length with different velocities. MEASURED velocity is much better.
 
Re: What program will calculate muzzle velocity

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: spersky</div><div class="ubbcode-body">will programs like Ballistics or Shooter work or do you need the measured muzzle velocity?

Thanks</div></div>

ballistics AE and shooter will both do it under the truing feature....
 
Re: What program will calculate muzzle velocity

I like G7, the LRBC version is available on the Vortex website. The trajectory is adjustable and validated based on drop correction. There are some demo vids as well. If you have a Vortex scope, you can also display ballistic drop based on magnification.

http://www.vortexoptics.com/video/using_the_vortex_lrbc

http://www.gseven.com/ballistic-program

These are online programs, but you can work the program at home and then validate in the field, or if you can get a signal, validate in the field. Your info is stored on the server so no problem updating anywhere.

 
Re: What program will calculate muzzle velocity

I had this same idea and asked this question and got the following from Brad at JBM.

"This is a very inaccurate way to calculate velocity. The errors in drop measurement pretty much make it worthless.

Part of the problem is that you don't have one curve, unless you shot ONE bullet and measured the drops at those ranges (if you did this, disregard this post). You really have a bunch of curves and you're taking part of each and making one curve, but there's no guarantee that the all the bullets you fired have the same velocity, point of aim, etc.

If you read my FAQ, you'll see I don't recommend doing this."

FYI
 
Re: What program will calculate muzzle velocity

FFS has a option to calculate MV based on Drop... it's for field expedient purposes only but has a tool to input distance and drop then it gives you a MV to that ... or based off that.
 
Re: What program will calculate muzzle velocity

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jeffersonv</div><div class="ubbcode-body">I had this same idea and asked this question and got the following from Brad at JBM.

"This is a very inaccurate way to calculate velocity. The errors in drop measurement pretty much make it worthless.

Part of the problem is that you don't have one curve, unless you shot ONE bullet and measured the drops at those ranges (if you did this, disregard this post). You really have a bunch of curves and you're taking part of each and making one curve, but there's no guarantee that the all the bullets you fired have the same velocity, point of aim, etc.

If you read my FAQ, you'll see I don't recommend doing this."

FYI </div></div>

As I remember, I wrote this to address a specific method a user was attempting to use to get muzzle velocity.

In general, measuring BC or muzzle velocity from bullet drop is not an accurate way to go.

Brad
 
Re: What program will calculate muzzle velocity

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: spersky</div><div class="ubbcode-body">I was wondering what program you guys could recommend that I can use to calculate muzzle velocity using bullet drop. I really cannot justify buying a chrono, but it would be nice to calculate bullet drop.

Any good programs that do this for an Android Tablet?

thanks </div></div>

You will spend more in ammo trying it your way vs. just buying a chrono. You can get them for under $100 now.
 
Re: What program will calculate muzzle velocity

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: spersky</div><div class="ubbcode-body">I was wondering what program you guys could recommend that I can use to calculate muzzle velocity using bullet drop. I really cannot justify buying a chrono, but it would be nice to calculate bullet drop.

Any good programs that do this for an Android Tablet?

thanks </div></div>The one connected to your chronograph
wink.gif
.

In a previous life I was a software developer/software engineer/programmer (retired to do more fun things) or what ever you prefer to call today.

With that experience: I believe that while you can get close if your rifle matches the parameters of the app/program/software it they don't you can be miles off.

Of course you can 'back into' the speed but it can take a large number of rounds.
 
Re: What program will calculate muzzle velocity

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Fred Seaman</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: spersky</div><div class="ubbcode-body">I was wondering what program you guys could recommend that I can use to calculate muzzle velocity using bullet drop. I really cannot justify buying a chrono, but it would be nice to calculate bullet drop.

Any good programs that do this for an Android Tablet?

thanks </div></div>The one connected to your chronograph
wink.gif
.

In a previous life I was a software developer/software engineer/programmer (retired to do more fun things) or what ever you prefer to call today.

With that experience: I believe that while you can get close if your rifle matches the parameters of the app/program/software it they don't you can be miles off.

Of course you can 'back into' the speed but it can take a large number of rounds. </div></div>

Here's what I did, it may be good or bad but it has worked for me. Get a rough estimate of MV and input it into your program. Go shoot and get real world dope at 6 7 and 900 yards. Then adjust MV in your program till it matches real world dope. This works for shorter ranges as MV and BC isn't a huge difference in dope. I probably would just buy a chrono for ELR if that's your goal.