Applied Mathematics for Shooters Course - Page 2
You are Unregistered, please register to use all of the features of FirearmsTalk.com!    
Firearm & Gun Forum - FireArmsTalk.com > General Firearms Forums > Training & Safety > Applied Mathematics for Shooters Course

Reply
 
LinkBack Thread Tools Display Modes
Old 10-27-2013, 12:20 AM   #11
Feedback Score: 0 reviews
 
wittmeba's Avatar
 
Join Date: Jul 2013
Location: The state for Lovers
Posts: 1,097
Liked 575 Times on 325 Posts
Likes Given: 722

Default

I'm no physics major but it could be interesting. I'd love to understand the variables of snipers

But I don't understand this - from the "Coriolis Effect":

Quote:
If you are shooting north or south your drift will be to the right if you are in the northern hemisphere and left if you are in the southern hemisphere.
Doesn't make sense to me. When does class start?
__________________
NRA Member - Over 5,000,000 strong!
Criminals don't discriminate. They will attack anywhere!

~ Holsters ~

Never forget these important words:
We the People...
America, take back your country!
wittmeba is offline  
 
Reply With Quote
Old 10-27-2013, 12:23 AM   #12
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
mountainman13's Avatar
 
Join Date: Feb 2012
Posts: 11,525
Liked 2919 Times on 1718 Posts

Default

Quote:
Originally Posted by wittmeba View Post
I'm no physics major but it could be interesting. I'd love to understand the variables of snipers

But I don't understand this - from the "Coriolis Effect":

Doesn't make sense to me. When does class start?
The earth rotates would be the simplest way to explain.
__________________
I don't need No stinking signature.
mountainman13 is offline  
 
Reply With Quote
Old 10-27-2013, 05:09 AM   #13
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
BlindOldMan's Avatar
 
Join Date: Mar 2011
Location: Pembroke Pines,FL
Posts: 268
Liked 4 Times on 3 Posts
Likes Given: 12

Default

Quote:
Originally Posted by wittmeba View Post
I'm no physics major but it could be interesting. I'd love to understand the variables of snipers

But I don't understand this - from the "Coriolis Effect":

Doesn't make sense to me. When does class start?
Here's an animation showing the effect (from Wikimedia Commons). If you're looking standing over the shooter and the target, you'll see a similar effect (though not anywhere near as exaggerated in this image).

There are other effects acting on a projectile that are greater or lesser than the Coriolis effect, including drag, the Magnus effect, etc.. Many of these forces are insignificant, but cumulatively on long distance shots, they certainly affect the projectile. It floors me when I think of folks who can innately account for all these variables in 5 heartbeats.
dsc49.jpg  
BlindOldMan is offline  
 
Reply With Quote
Old 10-27-2013, 08:19 AM   #14
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
Steel_Talon's Avatar
 
Join Date: Aug 2012
Location: Cochise County,AZ
Posts: 1,766
Liked 990 Times on 653 Posts
Likes Given: 1274

Default

I think, you need to tailor it to a specific group of "advanced" shooters.. But also offer some of it at a pabulum level for the general shooter, Such as how to understand and use Mil. correctly, same for MOA. How to use a mil scope to determine distance to animal target
__________________
'Steel cuts flesh / steel cuts bone / steel does not cut steel.'

Become steel or get cut.
Steel_Talon is offline  
 
Reply With Quote
Old 10-27-2013, 11:13 AM   #15
Feedback Score: 0 reviews
 
wittmeba's Avatar
 
Join Date: Jul 2013
Location: The state for Lovers
Posts: 1,097
Liked 575 Times on 325 Posts
Likes Given: 722

Default

mountainman13,

I fully understand the earths rotation having an effect. But why always to the right when in the northern hemisphere and left when in the southern hemisphere? I think there is an error in the statement. Should it read to the right if shooting south from the northern hemisphere and left if shooting north from the southern hemisphere?

If you stand on the north pole and shoot toward the equator the point of aim will be shifted due to the earths rotation. Assuming your trajectory is straight it will land right of point of aim. Equator is moving right when viewing the earth. From the north pole it is moving left so your shot would land right of the point of aim.
__________________
NRA Member - Over 5,000,000 strong!
Criminals don't discriminate. They will attack anywhere!

~ Holsters ~

Never forget these important words:
We the People...
America, take back your country!
wittmeba is offline  
 
Reply With Quote
Old 10-27-2013, 06:36 PM   #16
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
mountainman13's Avatar
 
Join Date: Feb 2012
Posts: 11,525
Liked 2919 Times on 1718 Posts

Default

Quote:
Originally Posted by wittmeba View Post
mountainman13,

I fully understand the earths rotation having an effect. But why always to the right when in the northern hemisphere and left when in the southern hemisphere? I think there is an error in the statement. Should it read to the right if shooting south from the northern hemisphere and left if shooting north from the southern hemisphere?

If you stand on the north pole and shoot toward the equator the point of aim will be shifted due to the earths rotation. Assuming your trajectory is straight it will land right of point of aim. Equator is moving right when viewing the earth. From the north pole it is moving left so your shot would land right of the point of aim.
Good point. Idk I'm No expert.
__________________
I don't need No stinking signature.
mountainman13 is offline  
 
Reply With Quote
Old 10-27-2013, 07:20 PM   #17
Feedback Score: 0 reviews
 
Join Date: Sep 2012
Location: The Edge of Darkness
Posts: 6,495
Liked 4795 Times on 2681 Posts
Likes Given: 1736

Default

Maybe this will help understand. The water in a toilet swirls in an opposite direction in the Southern Hemisphere. Long Range riflemen are not just good shots. They are also good math students.

http://en.wikipedia.org/wiki/Coriolis_force
nitestalker is offline  
 
Reply With Quote
Reply

Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Firearms Forum Replies Last Post
Applied for cwp today alwaysarmed Concealed Carrying & Personal Protection 24 06-16-2013 09:06 PM
Didnt even know i applied... JonM The Club House 3 06-18-2012 03:25 AM
Finally applied for my 03 ffl pagj17 NFA/Class 3 & FFL Discussion 16 06-17-2011 01:19 PM
Applied for my FFL Jan 12th KeithB NFA/Class 3 & FFL Discussion 50 05-26-2011 05:17 AM
I applied for my C&R license CA357 Curio & Relic Discussion 77 12-05-2010 01:05 AM



Newest Threads