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Interactive Ballistics Quiz!! #5734151 05/08/15 03:19 AM
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ChadTRG42 Offline OP
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I scored a 10 in 3 minutes! What's your score?

http://bulletin.accurateshooter.com/2015...allistics-quiz/


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734176 05/08/15 03:29 AM
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BigPig Offline
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I got 6 out of 10, some of them I just didn't know. Like the hole in the front of match bullets, no idea that was just a by-product of production.


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734182 05/08/15 03:31 AM
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ChadTRG42 Offline OP
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Yes. The hollow point is there so the bullet can be knocked out of the die during the forming process with a rod/pin. The larger the hole, the easier it is to get out of the die, but the greater the increase in drag. I only knew that from talking to guys who made bullets and how they were made.


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734183 05/08/15 03:31 AM
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hermano W Offline
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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734257 05/08/15 04:26 AM
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10


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734266 05/08/15 04:36 AM
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Beaubien Offline
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I suck. Got a 50.



Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734365 05/08/15 12:02 PM
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Cleric Offline
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So I knew all 10 but fat fingered a few answers on my phone frown

Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734374 05/08/15 12:11 PM
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patriot07 Offline
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I got 9 out of 10. Didn't know what spin drift was, but I'm sure that seems elementary to some of you experts.

Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734421 05/08/15 12:43 PM
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dee Offline
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I got a 90 because I didn't read a question right.


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Re: Interactive Ballistics Quiz!! [Re: dee] #5734450 05/08/15 01:02 PM
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10 in 90 seconds banana


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734483 05/08/15 01:27 PM
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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734533 05/08/15 01:48 PM
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I got a 50% and did better then I thought, still learning..lol


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734698 05/08/15 03:41 PM
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80, 2 minutes...... missed the humidity and HP question mad

Last edited by SingleShot85; 05/08/15 03:41 PM.
Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734710 05/08/15 03:51 PM
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nsmike Offline
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80% the humidity and greatest amout of error question. I don't think in terms of mils and degrees.


for every stereotype there's a prototype don't be the prototype
Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734726 05/08/15 04:06 PM
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70%



Originally Posted By: NTX_Hunter
"The only thing that stops a bad guy with a gun, is a good guy with a gun"
Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734742 05/08/15 04:15 PM
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90% - and that was with help from Chad cause I wouldn't have gotten that one right.

Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5734818 05/08/15 05:30 PM
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50%

Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5735739 05/09/15 07:09 AM
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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5735944 05/09/15 03:00 PM
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I suck... 50%

I have heard the term spin drift used incorrectly... I thought it was another term for Coriolis Effect, I know i have heard somebody use it that way.... I wont comment on my other goofs


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5736046 05/09/15 04:38 PM
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ChadTRG42 Offline OP
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Coriolis Effect is the earth spinning, and the bullet already online to the target, but the target is moving because it's on the spinning Earth. At long range, you have to account for this.

Spin drift is simply "drift" caused by the spinning of the bullet. Some bullets will have more, some will have less, depending on the rpm's of the bullet. Generally, it's about 2"-5" at 1000 yards.


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5736134 05/09/15 05:56 PM
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Tony and I were shooting at his dad's ranch one August. Not a whisper of wind. I let go a 178 gr A-max at 2700 MV, out of a 1:10" twist .308 Win. Splashed to the right. Both of us "what the heck?"I held 2/10 left and center hit it twice. We looked puzzled for a couple seconds. SPIN DRIFT! Duh!

Most of the time the wind will cancel it or, magnify it slightly since there's usually some wind, not that day.


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Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5736239 05/09/15 07:36 PM
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I only got 80% frown

Re: Interactive Ballistics Quiz!! [Re: ChadTRG42] #5736256 05/09/15 08:02 PM
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6.5x47Lapua Offline
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100% in two minutes.

Reading the Applied Ballistics series of books sure didn't hurt.

Last edited by 6.5x47Lapua; 05/09/15 08:05 PM.
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