When Guns Are Outlawed… DIY Bow From PVC & Machine Bow

So hypothetically, guns were all banned and it is TEOTWAWKI and all you have is some plumbing supplies and hand tools… What to do, what to do…

Or say guns become more slowly “unattainable” and you live in a draconian EU Nation that frowns on things that go BANG! Are up up Some Creek sans paddle? Or just need a bit more creativity (and again, some hand tools ;-) Oh, and gotta love that laugh ;-)

Then there is always the option of using your air compressor and some plumbing / carpentry skills….

When guns are outlawed, there’s a hundred other options so only folks without Maker Skills will be unarmed… Or: Never underestimate the ft-lbs and “one shot stop” capacity of a fully loaded pickup-truck! ;-)

OTOH, I’m also wondering now just how hard it is to get polycarbonate and form it into “Hockey Gear” ;-) Some inserts inside a padded jacket along with “leg, shin, arm guards” and a properly done helmet and a whole lot of stuff would not matter so much anymore… Wonder if anyone makes polycarbonate jock straps? ;-)

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About E.M.Smith

A technical managerial sort interested in things from Stonehenge to computer science. My present "hot buttons' are the mythology of Climate Change and ancient metrology; but things change...
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11 Responses to When Guns Are Outlawed… DIY Bow From PVC & Machine Bow

  1. tom0mason says:

    “polycarbonate and form it into “Hockey Gear”
    I can’t say I’ve try before but the basic molding of polycarbonate looks as if it’s just carefully heating it up over a mold. See https://www.wikihow.com/Easily-Mold-Acrylic-Plastic-Sheets for the basic ideas.
    There are many suppliers for Polycarbonate (aka Lexan) to the building trades, here’s one in San Diego, https://www.eplastics.com/polycarbonate. The prices rise as the thickness increases. I presume that you’d want 3/8 to half inch thick sheets, which (IMO) is not that cheap.

    Probably P.G.Sharrow, who comments often here, has better ideas. I note he’s now got a 3D printer to make stuff with, https://pgtruspace.wordpress.com/2019/02/06/2478/ .

  2. H.R. says:

    Jolly Joerg!
    a) He’s a hoot
    b) He has some really clever stuff. I particularly liked that hand lever cocking weapon that was the 3rd(?) one shown. Fast, light, accurate and compact. It’s the prototype that his submarine friend made.

  3. H.R. says:

    McMaster-Carr is where I bought my acrylic, lexan, polycarbonate… whatever when I needed clear sheet for machine guards.

    If you are not familiar with McMaster Carr, they carry everything and if it’s not in their catalogue or they have every size but the proprietary size you need, they will get it for you. Also, if you were not familiar with McMaster-Carr, you will hate me for introducing you to them because you can spend days looking through all the stuff they have. Click the link and check back with us in a few days ;o)


    Oh, and if you order before 4pm, about 98% of the stuff can be at your door the next day.

  4. E.M.Smith says:

    So I’m thinking a polycarbonate shell backed by a kevlar padding layer. Would require a balistic test to prove up the functionality… but it ought to look a lot like regular sports padding while being pretty effective. Split the work between hard layer and soft so nothing looks like 1/2 inch thick Armor…. or 1 inch kevlar…

    I’ll bet you can get knife proof, arrow proof, and pistol proof while still being light and innocuous… Not magnum proof mind you. Just 9mm and under. Need to look up the density of polycarbonate… but think of it as a laminate composit armor made of hard and woven polymers… Balistic Nylon outer cover so it looks like motorcycle gear, then depending on tests, a top layer of 1/4 inch kevlar, then 1/4 to 3/8 polycarbonate, then a 1/2 inch backing of kevlar pad to catch any fragments or slowed penetrator… hmmm…. guess it comes down to how kevlar behaves with a hard backing plate vs polycarbonate linear or not with thickness… and relative densities per unit performance…

    I would guess the weight of a Police shield is a first approximation of suit weight…

    Then there is the problem of joints being exposed in a set of pad gear…..

  5. E.M.Smith says:


    I liked his “required” industrial locked cabinet for his crossbow… built just stong enough he could destructively disassemble in a real emergency. Politically and legally locked… but “In Emergency, Break To Open”.

    Then that magnetic holder to make your bow shoot steel balls… nice. I have a compound bow I never use as the arrows lose flectching very rapidly. Shooting steel balls and a big magnet to recover them would be fun and cheap and useful post AwShit Event.

    It also looks like there are now industrial strength slingshots. Who knew?

    Though I don’t think I’d want to shoot that pneumatic javelin thrower!

    The basic problem for “Arms Ban Laws” are that the 2 most lethal classes of weapons are “sharp things” and “blunt force trauma”; which between them cover pretty much all solids (the exceptions being things like flexible weapons -garotte or chain- and poisons). To ban weapons one must pretty much ban everything.

    Oh Well, at least it stimulates Creative Alternates. While I thought my cane was a good one, I’m now seeing my creative vision was way too limited. Steel toe boots, leather “suspenders” & thin strong belt for flex use, steel shaft umbrella, 9 inch ratchet in the car (or classical tire iron), bike lock and chain, get the spouse some titanium knitting needles…. the possibilities are endless….

    (There was an asian martial art just for ladies that uses the folding fan… open as a sharp, closed as a jab or pummel. Hardened fans preferred… so maybe a fan, too… IIRC, that art also used hardend versions of those big hair “pins” as a dirk .. like hard wood or metal chopsticks. )

    My Webber Spatula and Fork are rather impressive, now that I think abouf it… not to mention kebab skewers…. wonder if “possession of BBQ implements” would get a pass…. or if you must be in possession of hot dogs too….”just looking for a grill, officer, honest! :-)

  6. Steve C says:

    And, of course, when you’ve made your bow, practice, and you can make yourself pretty lethal. Here is a pretty lethal Dane: I’ve mentioned him before but damn, he still impresses.

  7. Steven Fraser says:

    E.M: Don’t forget your ‘Plumbers Baton’ for an alternative to the spatula and Fork. I particularly recommend the spatulas with the serrated edges…

  8. Steven Fraser says:

    Update from Texas: Sharpened Key ring doohickies and brass knuckles are now approved self-defence devices.

  9. E.M.Smith says:

    I wonder if helmet and gloves from a suit of Armour, along with an historical curator business card would be acceptable? :-)

  10. Steven Fraser says:

    @EM: Probably have to wait for the next legislative session. To go along with the outfit, perhaps something for the kit…


  11. E.M.Smith says:

    @Steven Fraser:

    What a great idea! “Rescue Equipment”! First responder gear as ersatz defense gear. “That’s not a ‘blunt force object’ that’s a small ‘jaws of life’!” Similarly climbing gear and things like ice axes… (just be sure to have enough appropriate ‘context’ to validate it…)

    Kind of like having your tire iron in the car. “I needed to tighten a loose lug nut”… Or an ace bandage and a cane in the car. Or, if you have a Baseball Bat, make sure you have a ball and glove in the mix too…. (Looking for a “pick up game” in the park…)

    BTW, you will notice I trimmed your link. Usually everything after the ‘?’ is advertising and tracking related. I usually ‘cut’ it out, then test the url, and only then paste it into a comment. (If it fails, you can always paste the ‘cut’ bit back in and try again.)

    If you look at the stuff removed:


    Notice the “googlebase” and the “campaign=” stuff? So now I know you either used a Google Search or picked up a link from a google ad. Also note the “gclid=” and that long signature of garbage? I suspect that id’s YOU as the person who was the source of the link (or the advertiser where you picked it up).

    As Google are being Royal Asses and anti-free speech / anti-conservatives, I think it is of value to deny them both the information about you and your link to the product, AND the advertising revenue from the company knowing they were the source of the link and sending them marketing $$$ for the “referral” / ad.

    I don’t need Google making money off links from me, nor do I need them inserting their advertising operations / revenue generators into every link I copy.

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