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A_Mysterious_Stranger

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  1. I don't think you're going to get a neat, single answer for all of this. Penetration is very complicated even when you focus only on rigid OR eroding regimes. APFSDS occupy a transitional region between those two, meaning it is likely to be even more complex. For example I did more digging by changing search parameters. One thing I turned up came from army-guide and this interesting point: Completely unsourced but it shows a the potential for multiple factors at work. I've found sources that allude to nose shape influencing interface defeat, tra
  2. What I could find: Jacketed Long-Rod Penetrators: Problems and Perspectives Though that is about Jacketed Penetrators, it seems it may still apply to regular APFSDS. Given it cites Rosenberg and Deckel you might look at their work 'Terminal Ballistics' for more information. Possibly more useful is this: The Effect of Nose Shape on Depleted Uranium (DU) Long-Rod Penetrators I apologize for not quoting any of this, but its a 66 page non searchable PDF, and I'm not sure that you can just select parts without reading the whole thin
  3. Documents pertaining to firearms ballistics, but especially terminal and wound ballistics mostly: Handbook of Firearms and Ballistics Terminal Ballistics a Text and Atlas of Gunshot Wounds Gunshot Wounds Practical Aspects of Firearms Ballistics 2nd ed. Ballistics for Physicians Myths About Wound Ballistics and Gunshot Injuries
  4. Other books for download, which I'm behind on a promise to post: THEORY OF THE INTERIOR BALLISTICS OF GUNS.J.CORNER PHD Modern Exterior Ballistics Ceramic Armor Materials By Design Lightweight ballistic composites for military and law enforcement applications
  5. Posting more stuff I find on the internet that may be of interest: THE THEORY OF HIGH SPEED GUNS Abstract In other words really fast guns that aren't railguns. INTERIOR BALLISTICS OF GUNS Preface Optimisation of small arms defeat via dynamic jacket removal (pdf download link) Abstract Ballistic protection efficiency of composite ceramics/metal armours Abstract Ballistic resistance of high hardness armor steels against 7.62mm armor piercing a
  6. Oh sure. That's also why it's like a wiki: as a starting point for research it's great because it can consolidate alot of information into an easy-to-access place. It's just the time needed to sift through it to determine how much of it may or may not be accurate that can be problematic. Some of the info can be a bit dated tho. Some of the Schilling stuff the energy sidearms page you linked to uses is also decades old Usenet posts lol. If you're interested in more of Luke's recent stuff you should look up his game stuff. He improved some of his ideas from the Lase
  7. Yeah, I thought about Atomic Rockets but was unsure if that would be okay to post. It's a good site but it's like a wiki. It's a dumping ground for diverse opinions culled from across the internet with little or no peer review. So you have to take it with a grain of salt. The arguments about what qualifies as 'realistic' science fiction suffer from the same problem of trying to predict the future of warfare: We suck at reading future with accuracy, and many people color the matter with their preconceived ideas. If we mention AR, I can mention Luke Campbell's 'How to Build
  8. So, yeah. I wasn't sure where to put this but @Sturgeon was kind enough to suggest it go in the Ballistics Science forum (months ago, I've been busy with stuff) so this is where it sits. It's not exactly 'ballistics' per se, but its still science-related and relevant and interesting because it's really, really hard to find some good technical documents that isn't science fiction nerd speculation. You can actually find a surprising amount of that stuff on dtic, and I've always had a fascination since I was a kid with the old SDI program (borrowed tons of library books about laser
  9. Some random recoil impulse figures. This stuff is interesting/important if you want to deal with guns from the back end rather than the front end, I find. Fire out of Battery Test results - a discussion of soft recoil/Fire Out of Battery recoil mitigation technologies (In the quest to put bigger guns on lighter frames) It provides a number of Ogorkiewicz ratio figures for various armored vehicles (ratio of tank gun recoil impulse to its mass. Rule of thumb is 900 ns/ton as I recall) Here is the list of 105mm 120mm and the Sheridan's 152mm gun:
  10. Here are a couple intresting documents. They represent the preoccupation of one guy named Andre Gsponer with future nuclear weapons. What (to me) sets him apart is a vision of compact nuclear weapons - he terms 'fourth generation' in the 1-100 ton yield that fit a niche between existing 'conventional' and tactical/strategic (higher yield) nuclear weapons. I also like Gsponer because he rivals Friedwart Winterberg for obsession in using super explosives to set off nuclear reactions. Fourth Generation Nuclear Weapons: Military effectiveness and collateral effects
  11. I know @LostCosmonaut had a thread about radiation thresholds and others have mentioned Nukemap, but I did run across this which may be of interest during one of my attempts to indulge my obsession with 50s era atomic army silliness (Blame Fallout): Casualty Estimation for Nuclear and Radiological Weapons The focus seems mostly on possible terrorist devices, but it mentions tactical stuff too. It goes without saying it's very NATO centric as well.
  12. Damn, I'll need to re-learn new nomenclature just to sound clever about body armor and terminal ballistics. Still, I'll be interested in seeing what comes of this.
  13. Well it's UHMWPE so I don't think it's subject to plugging the way a steel plate would be. It's also a lead core rather than something harder which I think affects penetration.. Also there's ballistic limit - stopping a single round of a single type/weight at a given velocity is great, but how repeatable is that fact? Can it stop such a round 50% of the time (v50) or almost every time (V0)? There's also the backface deformation (hard to judge but at least 25-30mm?). And a 4lb plate hit by a 750 grain round moving at 2400 fps is going to impart considerable energy and momentum to the
  14. huh I've always meant to post something in this thread but never got around to it. Anyhow, to start I've read that one simple way to visualize how a railgun would work is the Jacob's Ladder: https://www.youtube.com/watch?v=bKD1wsBOo2M Kinda silly I know, but I couldn't resist. Howstuffworks has an explanation as well that I thought was good and may be useful for others: https://science.howstuffworks.com/rail-gun.htm Obviously the armature is a crucial component to railguns (I think of it as combining propellant and sabot though I'm no
  15. Been delayed with stuff but I've wanted to post this. Actually I'm surprised I've never seen anything in detail about this before, because it's an interesting topic. (IF there IS a topic on this I apologize and it can be merged there.) ETC tech is something you probably hear about if you hang out on tank, military or gun forums. Especially if Railguns or coilguns are mentioned. Or 'next step' in gun design like 140-152mm guns. There's lots of information out there if you look and you discover just how diverse it can be. I'm sure most people are aware that Wikiped
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