ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Real World Guns
http://www.ballisticsbytheinch.com/realworld.html
Scope of the Project. Get your copy of the novel by BBTI's Jim Downey. 22, 25" barrel - review. 45 auto, 3.625" barrel. 9mm Luger, 4.875" barrel. Beretta 96 Elite II Brigadier. 40 S&W, 4.9" barrel. 25 auto, 2.3" barrel - review. 32 auto, 2.4" barrel - review. 9mm Luger, 16" barrel - review. Beretta Stampede Buntline Carbine. 45 Colt, 18" barrel - review. 380 auto, 3.5" barrel - review. Bond Derringer (.45/.410). 45 Colt, 3.5" barrel - review. 223 rifle, 3" barrel - review. 327 magnum, 3" barrel - review.
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Raw Data
http://www.ballisticsbytheinch.com/rawdata.html
Scope of the Project. Here is all the data straight off the recording sheets, either in PDF format or in Excel format (.xls), for the different test sequences we have done. All of the files include all of the calibers tested at that time in one file (on separate pages). Data sheets in Excel format for polygonal rifling tests in October 2013. Data sheets in PDF format for polygonal rifling tests in October 2013. Data sheets in Excel format for .22 Mag tests in 2013. Comparison Chart for Gap Test Data.
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Documentation
http://www.ballisticsbytheinch.com/document.html
Scope of the Project. We have always wanted to be completely open and transparent about what we did, how we did it, and what the results are. Ideally, anyone who wishes to repeat our tests to check our data could do so, following our procedures, or at least understand how and why we got the results we did. To that end, we tried to document everything thoroughly. A Flickr set where you will find photos from some of the different test sequences. No, not the ongoing blog discussions. The Box O' Truth. Testi...
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Biographies
http://www.ballisticsbytheinch.com/bios.html
Scope of the Project. Coming soon - the next novel by BBTI's. Take a little Al Gore, perhaps a little too much single malt scotch, stir in some Jim Downey and hand it to a rather compulsive, data/knowledge addicted former physicist and you get my connection to BBTI. It has been a wild ride. In 'real life' I am a book and document conservator. Set in 2052 which a lot of people have liked, and a care-giving memoir. Which is still relatively unknown. I'm also somewhat compulsive about blogging. All I can sa...
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Results
http://www.ballisticsbytheinch.com/rifling.html
Scope of the Project. Coming soon - the next novel by BBTI's. Polygonal v. Traditional L&G Rifling ("Glock tests"). This is the newest part of our site. Firearms today typically use one of two different styles of rifling to impart spin to a bullet and thereby stabilize it for flight. Traditional rifling. Uses a number of lands and grooves (L&G) which are cut into the barrel, and is the style of rifling most people are familiar with. But a number of firearms manufacturers use polygonal rifling. While we h...
ballisticsbytheinch.com
BBTI :: Donations
http://www.ballisticsbytheinch.com/donate.html
Scope of the Project. Thanks for your donation! We would like to thank the following people for supporting our ongoing efforts at BBTI:. At the Patron Level. Those who have made a sizable donation):. RB from the UK. Support the next novel by BBTI's. At the Sponsor Level. Those who have made a substantial donation):. Derek M. Ray (JCGC). At the Supporter Level. Those who have contributed any donation):. Know it all" coffee group, Sedro-Woolley WA. The Box O' Truth. As he not only helped get most of our am...
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Calibers/Cartridges
http://www.ballisticsbytheinch.com/calibers.html
Scope of the Project. Get your copy of the novel by BBTI's Jim Downey. Here is a list of all 23 different data sets we have tested. Click on each to just browse the charts, click on a given ammunition type listed in the header of each chart for a graph of how that particular ammunition performed, or you can download the raw data. For your own use. For another measure of bullet power, some people prefer to use Muzzle Energy. And a link to a muzzle energy graph on each caliber page. One note: in every case.
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: Videos
http://www.ballisticsbytheinch.com/videos.html
Scope of the Project. Here are several short videos documenting various parts of the process. This shows the very first shots, using the .380 barrel and ammo. From this you can see the entire procedure we followed for all 6,000 rounds of ammo tested, and get some idea of how long it all took. MEDLEY FROM 2009 TESTS. Here's a clip I've come up with from the second sequence of tests. Since very little new can be seen from the routine chop tests, they make up a small part of this clip. Rather, what'...BBTI ...
ballisticsbytheinch.com
BBTI - Ballistics by the Inch :: .223 Rifle Results
http://www.ballisticsbytheinch.com/223rifle.html
Scope of the Project. 223 Rifle Results in fps. Click here for a Muzzle Energy graph. For the tests in this caliber. BBTI is not the end-all of ballistics testing, just one more component available for the common good. In addition to extensive discussion about ballistics to be found at many gun forums, here are some other great resources pertaining to ballistics testing you should check out. (And if you would like to recommend a site to list here, please send an email.). The Box O' Truth.
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