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  • I just made a laser guided blowgun for under $3, but don’t let its simplicity fool you.

  • It’s powerful enough to break glass, and even blast darts into concrete. In this project

  • were making a custom laser sighted blowgun, that not only looks cool, but adds another

  • dimension to the fun you can have, in the backyard.

  • Let’s start this project with a roll of scotch tape, a stack of sticky notes, and

  • a paper party hat. I’m using the small 2x2 squares, and if we wrap one carefully around

  • the tip of the hat, the cone shape acts as a forming guide for making a pointy paper

  • dart. Well need a little bit of tape to reinforce the tip and hold it altogether,

  • so when it slides off, itll still keep its conical shape. Now watch what happens

  • if we push the tip into a 1/2” PVC tube and give it a little twist. You can see the

  • pressure leaves a little mark right where it starts getting too big for the tube. Let’s

  • carefully trim along the inside edge of the marking, and just like that, weve made

  • a mini paper dart thatll fit perfectly inside the blowgun barrel. But it’s not

  • quite ready to use yet. We still need to add some weight to the tips so theyll fly straight.

  • I found one of the quickest and easiest ways to do that, is to squirt a little hot glue

  • inside the cones until theyre about 1/3rd of the way full. If you don’t have hot glue,

  • try pulling off a little piece of poster putty instead, and shove it down into the tip with

  • something like a screwdriver. Thatll work just as good. Alright, weve got some paper

  • darts. All we need now is a blowgun, so let’s work on making that next. I went to the hardware

  • store and picked up a 2 foot length of 1/2” PVC pipe, and a reducing adaptor. This female

  • adaptor is 3/4” on one side, and reduces to a 1/2” slip connector on the other. Now

  • if we simply push the adaptor onto the tube and give it a little tap, weve just created

  • a super simple blowgun that can be used right away. You can see the weighted darts fly amazingly

  • straight, and will take out paper cups with an impressive amount of power. Theyre just

  • strong enough to do a little damage, but still safe enough to shoot around the house. Not

  • that you should. But you could. Alright, let’s take this system to a whole new level with

  • a roll of duct tape, and some wire nails. I got this roll of camouflage tape from the

  • hardware store, and well need to start by putting a long strip on the table with

  • the sticky side facing up. Now watch this. If we carefully set the pipe lengthwise in

  • the center of the tape, then gently rock it from side to side, the tape will start to

  • wrap itself around the tube. Doing the same thing with a second piece of tape will cover

  • any gaps, and just like that, our blowgun’s got a custom camo wrap. Now just add some

  • electrical tape around the tip of the barrel and around the mouthpiece, to cover the rough

  • edges and make it look a little nicer. At this point, you can see our blowgun is starting

  • to look pretty serious. So let’s get busy making some rounds of ammunition that are

  • a little more serious as well. I’m using #16 and #18 wire nails, because theyre

  • relatively lightweight, and have a nice flat head on the top. You can see when a nail gets

  • pushed through an empty paper cone, it instantly transforms into a high speed nail dart. Itll

  • work fine just like this, but to make it a little more durable, try adding a dab of hot

  • glue on the inside of the cone, then pulling down on the nail until the head catches firmly

  • at the bottom. Theyll need about 2 minutes for the glue to cool and harden, so while

  • were waiting, why don’t we try making something a little different. A stack of colored

  • sticky notes will make different colored darts, and just for fun I snipped the tips off these

  • purple ones and drove small screws deep into the glue. I call these ones my glass breakers,

  • and youll see how they got that name in just a minute. Now if you wanna experiment

  • with different types of darts, you can really use any length of nail you want. Smaller darts

  • will be easier to shoot, and fly faster, while heaver darts will penetrate deeper and do

  • more damage. Now that weve got some good ammunition, were gonna need a way to

  • store it. I found a 6” length of 1/2” foam pipe insulation for a little over a dollar,

  • and tried cutting little donut shapes off the end, about 3/4” thick. I used some electrical

  • tape to reinforce the outside of the disc, then just for looks, used a black marker to

  • color the foam a little bit darker. The next step is to make another foam disc the exact

  • same way, then slide both of them onto the barrel of the blowgun. At this point, were

  • ready to modify the quiver so itll carry 8 rounds of ammunition. I found a phillips

  • head screwdriver and carefully heated it over a flame for about 20 seconds. That get’s

  • it just hot enough to burn little holes into the foam on contact. Just make sure youre

  • only burning holes in the top disc because were gonna want the bottom one left

  • intact. You can see the 8 holes we made space the darts evenly, and guide the nails as they

  • push down into the padding below. These makeshift quivers keep all the darts securely in place,

  • while protecting the tips of the darts at the same time. Alright, our customized blowgun

  • is looking pretty impressive, and we could stop here. But let’s go one step further,

  • and give it a laser. I picked up a red laser pointer from the dollar store and hot glued

  • it 8-1/2” back from the tip of the barrel, then reinforced it with a couple of zip ties,

  • for durability. The thing I like best about these $1 lasers are how one button operates

  • an LED flashlight, while the other activates the laser sight, making this system operable

  • in the dark. Now I got a slightly better laser from the pet section of the grocery store

  • and turned it into a custom laser scope that compliments the gun really well. With this

  • setup, the position of the laser can be fine tuned with amazing precision, which you can

  • see, results in surprisingly accurate shots. Alright, now that weve got a custom, laser

  • guided blowgun, let’s have some fun. I took mine outside and found that the darts easily

  • penetrate into wooden posts with out even trying. Theyll also stick into tree trunks,

  • or completely abuse the side of a wooden deck, like the one on my kids playhouse. I was able

  • to hit some targets from over 100 feet away, and if I missed, the darts just sailed right

  • into the concrete wall behind it, which actually blows my mind completely. I still don’t

  • really know how these stick into cinderblock, but they do. For one last experiment, I tried

  • loading one of the glass breaker rounds, and fired at a glass full of water. Needless to

  • say, they do live up to their name. Now youve probably realized that if you use different

  • rolls of tape, you can customize your blowgun any way you want, and if you want a safer

  • kind of ammo, try using colored mini marshmallows. Theyre the perfect fit for 1/2” PVC,

  • and can be shot safely, but still with incredible accuracy. Well now you know how to make an

  • incredible, laser guided blowgun, that will rattle off nail darts with power and precision.

  • The best part is, if you make these in bulk, they can cost as little as $2.50 each. And

  • that’s including the $1 laser. Well that’s it for now. If you liked this project perhaps

  • youll like some of my others. Check them out at www.thekingofrandom.com

I just made a laser guided blowgun for under $3, but don’t let its simplicity fool you.

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如何製作一把脈衝光刺繡的吹箭槍 (How To Make A Laser Assissted Blowgun)

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    何紹愷 發佈於 2021 年 01 月 14 日
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