• This Forum is for adults 18 years of age or over. By continuing to use this Forum you are confirming that you are 18 or older. No content shall be viewed by any person under 18 in California.

New Ballistics Calculators

dcali

Bullet Maker
Hello All -

I've just finished a major rewrite and expansion of the online ballistics calculator section at https://bisonballistics.com. There are now six different calculators (they're all free).

1) the regular point mass trajectory calculator: this has been updated to provide better charts and to allow the use of BCs in addition to selecting a bullet from the library. Altitude can now be substituted for pressure.
https://bisonballistics.com/calculators/ballistics

2) a recoil energy calculator: this uses the SAAMI method to estimate recoil energy.
https://bisonballistics.com/calculators/recoil

3) a stability calculator (Miller based): Pretty much like other stability calculators, but with charts.
https://bisonballistics.com/calculators/stability

4) a bullet comparison tool: basically, an interface to run to trajectories side by side, updated with a better interface and charts.
https://bisonballistics.com/calculators/bullet_comparison

5) a statistical hit probability simulator: monte carlo simulation of trajectories with random parameters - similar in concept to the AB WEZ. You can use it to see the impact of the variance of things like BC, velocity, and wind direction.
https://bisonballistics.com/calculators/hit_probability

6) a simple velocity estimator: dead simple velocity estimator based on the velocity of a known bullet.
https://bisonballistics.com/calculators/velocity_estimation

If you guys could take it for a spin and let me know if there are any bugs, or just general feedback, I'd appreciate it. It's always a work in process. Thanks!
 
Very cool! Thanks for the links.

Just playing with the comparison tool I found an issue. The lines on the charts aren't labeled for say "bullet A" and "bullet B". It has "windage" on both.

Very cool though. I'm sure I will use this one a lot.

upload_2019-4-23_18-45-7.png

Just noticed the color index below my screenshot.
 
Very cool! Thanks for the links.

Just playing with the comparison tool I found an issue. The lines on the charts aren't labeled for say "bullet A" and "bullet B". It has "windage" on both.

Very cool though. I'm sure I will use this one a lot.

View attachment 1101980

Just noticed the color index below my screenshot.
Thanks. That is a bug! Exactly why I posted here. The legend should show the bullet names. I'll get that on the list to fix.

Edit: should be fixed now. Thanks for the heads up.
 
Last edited:

Upgrades & Donations

This Forum's expenses are primarily paid by member contributions. You can upgrade your Forum membership in seconds. Gold and Silver members get unlimited FREE classifieds for one year. Gold members can upload custom avatars.


Click Upgrade Membership Button ABOVE to get Gold or Silver Status.

You can also donate any amount, large or small, with the button below. Include your Forum Name in the PayPal Notes field.


To DONATE by CHECK, or make a recurring donation, CLICK HERE to learn how.

Forum statistics

Threads
165,796
Messages
2,203,599
Members
79,130
Latest member
Jsawyer09
Back
Top