How to build your own crossbow

how to build your own crossbow

Watch This DIY Compound Crossbow Come to Life

Nov 01,  · NOTE: Though we did build and test both of our crossbows, the potential for injury from any weapon is enough to compel us to say that whoever decides to make a crossbow does so at his or her own . Jun 20,  · The pulley system allows his bow to exert much more power, and his add-on scope makes this crossbow extremely accurate. The most difficult part of this build Author: Timothy Dahl.

Crossbows have been how to build your own crossbow existence for thousands of years, which means that the basic mechanical properties of crossbow are pretty much nailed down.

So making a DIY compound crossbow is a project nearly anyone can do. One YouTuber, MrGear, shares the construction of his crossbow in the video below. He built his out of basic pine, a couple springs, pulleys, and some random pieces of hardware.

The won system allows his bow to exert much more power, and his add-on scope makes this crossbow extremely accurate.

The most difficult part of this build is assembling the trigger mechanism. He covered building the trigger in his airgun videocroossbow it's a part that you'll have to fabricate on your own.

This project looks like a lot of fun, but take care once you've built one. You are, after all, putting together a weapon so potentially lethal that the Roman Catholic Church banned them in the 10th centuryfearing crossbkw it could easily lead to a peasant uprising. Type keyword s to search. Today's Top Stories. The Stars. Osprey Blows Away Flimsy Helipad. This content is imported from YouTube.

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Feb 13,  · Follow the drawings and you’ll have no trouble making any parts of the cutting the general contour, a recess is chiseled in the stock for the trigger assembly. Between this and the end of the barrel, make a kerf (a bolt groove) approximately 3/16?1/2-in. deep down the center. Apr 03,  · Ever wanted to make a crossbow? Need a project to fill your time? Want to make something with friends or family?If you have answered "Yes!" to any of these.

NOTE: Though we did build and test both of our crossbows, the potential for injury from any weapon is enough to compel us to say that whoever decides to make a crossbow does so at his or her own risk. An archer might consider it kin to a firearm. A shooter, on the other hand, most likely would think it a stock-mounted bow. To the general public, you wouldn't need a poll to know their feeling: It looks sinister enough to be a lethal weapon! In short, there's not much doubt that the modern crossbow suffers an "identity crisis," but regardless of the mystery that still surrounds this curious hybrid, it's been gaining in popularity among hunters and targeteers alike.

With several avid bowhunters on the staff, and a research department eager to take on such an interesting challenge, it wasn't too difficult to get the ball rolling on a project that we figured might be a first in the field: designing and building a quality crossbow from scratch; testing its range, accuracy, and overall effectiveness; and then comparing its performance to that of traditional recurve and compound bows. The contemporary crossbow shares little beyond a basic design with its forebear, the medieval arbalest.

Though both launch arrows bolts by means of a short bow transversely fixed to a stock, the superiority of modern materials — along with the improved geometry made possible by the use of such lightweight plastics, alloys, and composites — has turned what was a crude but effective weapon of war into an admirable piece of fairly uncomplicated technology.

Over the past few years, crossbow design has received considerable attention from various manufacturers, with the result that the old standard has been modified to run the gamut from a paramilitary-looking assault piece to an artistic expression of classical physics. And although these developments represent improvement in most cases, they're beyond the ability of all but the best-equipped crafts people to duplicate. We chose the path of least resistance and used the simplest common denominators in our design.

The stock of our crossbow consists of a center spine covered on each side by a strengthening flank. As a bolted-together unit, this flat-aluminum assembly serves as a combination barrel or chase in crossbow terminology , trigger housing, handgrip, and shoulder extension. Walnut stock inserts were trimmed and shaped to mate with the stock on either side of the shoulder extension. Since the string does contact the barrel and is thus subject to friction, we added a pair of shoulder slides to the sides of the chase to reduce string wear and increase bolt velocity.

Though these could also be made of walnut, we used Delrin a Du Pont acetal resin because it possesses an inherent lubricity. Our crossbow's open sights consist simply of a front frame made of aluminum strap, and an alloy rear ring mounted to the receiver. Socket-head cap screws threaded into each of these brackets provide sighting beads, and the rear unit can be lowered or raised as necessary to zero the piece in at a specific range.

As far as we've been able to determine, a telescopic rifle sight is inappropriate on a crossbow for three reasons. First, the weapon's effective range is limited to 50 yards or so in all but an expert's hands, and at that distance, beads and the practiced naked eye should be sufficient.

Second, a fired bolt's trajectory is such that, beyond 15 or more yards, its drop is enough to lower the point of impact many inches from the line of sight. Since most scopes are calibrated for rifles, the range of adjustment may be restrictive or the zeroing-in process tedious.

Finally, a scope narrows the field of view and adds weight as well. As our note at the beginning hinted, we made two different crossbows. The first, detailed in this article, is a functional, no-gadget rendition that's not overly complicated to assemble, which should serve as a fine fieldpiece or target piece. The second is a multiuse version that has some interesting features, but for the most part it's best suited to range shooting or backyard "plinking.

This last item, by the way, can be added to our standard crossbow if desired. Admittedly, it would have been nice if we'd been able to construct our own short bow by using common materials. Believe us, we tried! But the laminated fiberglass plods we laid up just didn't have adequate draw strength or the resiliency to stand up to repeated use, possibly because we weren't able to duplicate the heat-and-pressure curing process used by commercial manufacturers.

Barnett Crossbows sells prods, strings, bolts, and other accessories. To ease construction, we've outlined the crossbow's major parts and drilling point within an Assembly Grid , which will allow you to make scaled-up templates for the metal pieces. The best way to trim the parts accurately, by the way, is to use a band saw equipped with a metal-cutting blade. Once those sockets are complete, clamp the aluminum center spine to one of the flanks and recheck the alignment, using the template cutout from the trigger housing.

Then drill corresponding holes in the one flank piece. With that done, use No. When you're satisfied that all three parts are evenly mated, drill the final member. Since the post screws are recessed, you'll need to countersink the exterior openings with larger bits according to the design of the screws and nuts you've chosen. As we mentioned before, you can install a trigger safety mechanism according to our detail. Both the trigger and the safety catch are returned by small compression springs set into slots cut through the central spine.

Before assembling the stock for good, you'll want to bevel the inner surfaces of the barrel, and round the entire frame's outer edges. The rough work can be done with a grinder or file, and the metal then can be smoothed with emery cloth. Save the final extra-fine polishing for later, after you've bolted and pinned everything together and completed the cosmetic work.

The next portion of the project includes setting the bolt tang the spring-steel leaf that holds the projectile snug against the barrel , adding the wooden or Delrin slides to the flanks, and cutting, shaping, and fastening the walnut inserts that dress the shoulder extension. These pieces can be cut to shape using the template as a guide, then rounded with a sander and bolted or glued to the aluminum spine prior to being finished with varnish or tung oil.

It's fastened to the top of the forestock with two No. This can then be adjusted up or down for sighting. We ordered a prod with a draw strength of pounds, but even if you choose a lighter bow to lengthen string life you'll probably need a cocking lever to pull it into position. The fulcrum's just a movable collar that can be locked into the optimal position. Once the prod's installed, you'll have the pleasure of stringing it. Unless you're extraordinarily muscular, we'd suggest you purchase what's called a bastard string along with the regular Dacron cable.

This set of strands is longer than the service string and thus can be slipped onto the prod more easily. It's then used to draw the bow's ears back to the cocked position so the real string can be looped in place.

When that's done, both strings can be released with the trigger and the bastard removed. This is the only situation in which the crossbow should be "dry fired," since that practice can split the prod.

I think you will find my website interesting as well. Where can I purchase the blueprints for this design? You used to be able to purchase the blueprints from the magazine. Oil leaked on my prints ruining them. Crossbow is an incredibly old weapon, using much of the same technology that has been utilized for hundreds of years; technology and principles long before the gun and more compact and accessible than the stand-up bow and arrow.

There are a wide variety of crossbow makes, manufacturers, styles, function, accessories and materials. It is a tool that can be used for various hobby interests, from simple target shooting to serious hunting. Brian Morgan is not related to me, but I heartily agree with him; the discription needs plans and details. Thank you. The scripted instructions are great from point A. Yet what is also needed is a schematical diagram and blueprint using autocad and more in the line of building a model ship or airplane would be even better.

I would also include a parts list either numbered or numbered and lettered on the schematic and an average price list for parts and materials to round the total sum to the nearest dollar amount. I am certainly glad I have come across this website especially in todays economic situation. I found this article quite interesting.

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How to Make a Crossbow: The Classic Crossbow You can make a crossbow using walnut, aluminum, a few miscellaneous parts, and our instructions. The takedown version is either a pistol or a long arm. Continue Reading. Share your thoughts. More Comments. Philip Morgan. Related Content. The Beekeeper's Bible. Add to cart. Diy Wood Pallet Projects.

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