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A crossbow is a weapon that has a horizontal bow mounted on a stick, called a stock. It shoots projectiles, called bolts, at a target. Modern crossbows are compound crossbows which have stiffer limbs to make the bow more energy efficient and a string attached to a pulley system to make it easier to draw back with increased power as the bolt is fired. The pulley system also ensures a smooth release of the bolt. Using supplies from your local hardware store, you too can make your own crossbow. [1] X Research source
Steps
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Measure wood for the stock. You need to have the stock a comfortable length for your arms. [2] X Research source- Start with pine board that measures around 38 inches long, 2 inches wide, and 2 inches tall.
- Hold it in your hands similar to a rifle with one end pressed against your shoulder and your hands gripping the wood.
- Find a comfortable length and mark the wood where you want it cut.
- The longer your stock is, the more power you will achieve. However, it is not wise to go over 1 meter (3.2 feet) so the PVC bow won't shatter.
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Saw off the extra wood. Use a circular or hand saw to cut the wood on the mark you made for length.- Use safety goggles to make sure you don't get sawdust in your eyes.
- Saw in a well ventilated area.
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Mark the area for a trigger. Hold up the wood again as you would a crossbow stock, with one end pressed against your shoulder and your hands gripping the wood. Make a small mark where it feels comfortable to have the trigger and the handle.- Draw a rounded rectangle shape in the center of where you marked the trigger. This needs to be drawn on the top of the pine wood, not the side.
- The rectangle should be around 4 inches long, and 1 inch wide.
- Make sure the rectangle is drawn in the center of the wood where you have marked it.
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Cut the rectangle out of the wood. Using a chisel, drill and wood rasp, gouge out the wood within the rectangular area while being very careful not to split the wood.- Use a combination of all three tools to slowly remove the wood inside the rectangle until you have a rectangle shaped hole.
- Use sandpaper to smooth the area around the hole after you have finished.
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Make the groove to hold the string. The groove will create a place for the string to rest horizontally across the rectangle hole.- Use a chisel or wood rasp to create a 1/8 inch groove near the front of the trigger hole.
- Sand the groove after it is cut.
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Cut the groove that holds the bolt. This grove will be centered and extend from the rectangle hole to the end of the wood.- Find and mark the center of the end of the wood, farthest from the string groove.
- Find and mark the center of the end of the rectangle hole, farthest from the string groove.
- Draw a straight line between the two marks.
- Use a drill, chisel, and hammer to carve a ¼ inch deep channel along the marked line.
- Sand the groove until completely smooth.
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Create the grip to hold when shooting. Use a second piece of pine wood to make the grip.- Cut the wood to be around 8 inches long.
- Use PVC glue or wood glue to attach it to the bottom of the stock, making sure it is centered. Leave the glue to dry for at least an hour.
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Protect the wood with sealer. Use varnish, wood stain, or another wood sealer to ensure the wood will be protected from the elements.- Wait until the glue has dried completely before applying a sealer.
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Cut the PVC pipe. Use a hacksaw to cut a 1” PVC pipe into a 36 inch length. [3] X Research source- Make sure to measure and mark the length before cutting to ensure accuracy.
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Cut a groove into the ends of the PVC pipe. On each end of the PVC pipe, use a hacksaw to cut a small groove just large enough to fit a small wood screw. -
Attach the pulleys. The pulleys are attached to either end of the PVC bow, and the string will feed through them.- Insert a small wood screw on both ends of the PVC pipe.
- Attach the pulleys to the wood screws on either end of the pipe using wire ties.
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Thread the string. The nylon string needs to be threaded through both pulleys correctly for the crossbow to be able to fire.- Securely tie one end of the nylon string to the wood screw on the left side of the PVC pipe.
- Bring the string across to the pulley on the right end of the PVC pipe, and loop it in and around the pulley.
- Bring the sting back to the left side and loop the string in and around the pulley on the left.
- Finally, bring the string back to the right and tie it securely to the right wood screw.
- Do not pull the string tightly when you wrap around the pulleys or you will not be able to pull it back to fire the crossbow.
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Check the string for accuracy. It's important to have the string threaded correctly. The string should run across the PVC pipe 3 times. Do a quick test to make sure you have threaded the string correctly.- Pull on the string coming out of the pulleys. The PVC pipe should flex like a bow.
- If the pipe does not bend slightly like a bow would, pull the thread out and start again.
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Create a groove for the bow on the end of the stock. The wood of the stock needs to have a groove carved in for the round PVC pipe to snugly fit.- Use a wood rasp or chisel to carve out a rounded groove wide enough to fit the pipe on the end of the wood stock.
- The groove needs to be deep enough to fit the PVC pipe securely.
- Carve slowly while repetitively checking how the pipe fits. This will ensure you end up with the perfect fit. The pipe shouldn't have room to move around.
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Secure the PVC bow to the stock. The bow needs to be secured to the stock to ensure proper use. You need to have the strings in the correct place for the crossbow to be effective.- Use duct tape to secure the PVC pipe to the stock by wrapping it around the pipe and the end of the wood stock.
- Only the firing string coming out of the pulleys should be on top of the wood. The other two strings should be on the bottom so they don't interfere with the firing process.
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Test the bow. You need to test to make sure the strings are in the right place and the bow will fire correctly.- Draw back the firing string and place it in the string notch on the rectangle hole. It should be able to stay notched and ready by itself.
- If the string will not stay notched, you need to make the groove deeper to hold the string.
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Cut the wood for the trigger system. Use a thinner piece (around 1 inch thick) of pine wood to create the trigger system.- Draw a rough L-shape on the wood.
- The small (horizontal) portion of the “L” shape should be slightly smaller than the box you carved in the stock.
- Cut the L-shape out of the wood with a saw. This L-shaped piece of wood will be the trigger.
- Sand it until it is smooth.
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Create a channel on the trigger. Use a wood rasp or chisel to carve about a â…› inch channel across the short part of the L-shaped wood. -
Drill a hole in the L-shape wood. The hole should be drilled down by the corner of the L, but centered in the wood.- The hole should be big enough to fit the nail you are using to attach it to the stock.
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Attach the trigger. You need to attach the trigger onto the stock so that it will pop the string out of the groove when pulled.- Put L-shaped trigger in the rectangle hole with the groove facing upwards and the L pointing forward. Make sure it has space to move without hitting the back of the hole.
- Use a hammer to push a nail through the stock and hold the L-shaped trigger in place at the angle.
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Sand the trigger. Use sand paper to fine tune the trigger until the action is smooth.
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Cut the handle. The handle is what you hold to steady the crossbow so you can pull the trigger.- Use pine wood to cut a 20 centimetre (8 inch) length to be used as the handle.
- Sand it into the rough shape of a handle.
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Attach the handle to the stock. The handle should be attached behind the trigger so you can easily fire the crossbow.- Use PVC or wood glue to attach the handle to the stock. Wait an hour for the glue to dry.
- When the glue is dry, you can use a hammer to drive a few nails into the handle to firmly secure it on the stock if you would like.
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Put padding on the butt. You use a crossbow by pressing the butt against your shoulder, so padding the butt of the crossbow will make it more comfortable.- Secure foam around the end of the stock that is placed on your shoulder with duct tape.
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Acquire the right size bolts. You need to have bolts that fit the channel of your crossbow. [4] X Research source- You can either purchase bolts from a store or make your own out of dowels.
- To make your own bolts, cut a dowel to fit the size of the channel on your crossbow, and create a notch on the end of the dowel to hold the string.
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Set up a target. Use a cardboard box or a piece of paper with circles to aim your crossbow at. Make sure your target is away from other people. [5] X Research source -
Test fire your crossbow. Find a safe place to try out your crossbow. Your crossbow should shoot your bolts around 65 to 100 feet. Have fun!
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Expert Q&A
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QuestionHow do I make arrows for my crossbow?Anthony Porter is a nature educator, archer, and outdoorsman based in South Lake Tahoe, California. He is an Outdoor Survival expert, and educates millions around the world through his social media presence as “Outdoor Anthony”. His videos have turned him into a viral sensation on TikTok & Instagram, where he has over 400k followers. He is the current Communications Director of the Tahoe Rim Trail Association, promoting wildlife stewardship and preservation on print media, TV, and radio. Anthony has also showcased his outdoor prowess as a recurring yearly TV athlete as NBC's the Archery Ninja on American Ninja Warrior. He is also the producer, editor and Host of the Orangutan Podcast, discussing rainforest conservation initiatives with Dr. Gary Shapiro, famous for teaching orangutans symbolic sign language. As a professional educator for the better part of a decade, Anthony has explored 20 countries, and has taught people of all ages across the United States. He received a Bachelor’s degree in Parks and Recreation Management from Northern Arizona University, and earned an MBA from Cal Poly Pomona with a concentration in sustainable Marketing, and is always looking to dive right into the next adventure.For precision and reliability, you’re usually better off buying professionally made arrows. Carbon fiber arrows are especially popular because of their strength, longevity, and cost-effectiveness compared to aluminum ones. These arrows are crafted with specialized tools that ensure perfect balance and consistent quality—something hard to achieve with DIY methods. But if you do choose to make your own, cutting carbon arrows at home can be very tricky. Don't use household tools like knives or basic saws, as they can create uneven cuts and damage the material. Professionals use fine-toothed circular saws specifically designed for this task. If you’re determined to make your own, use the finest-toothed saw you can find and measure carefully to make precise cuts. Also, your arrows should be the right length for your draw. When fully drawn, the arrow should extend about an inch past the end of the crossbow's shelf. As a general guide, someone shooting 27½-inch arrows may be around 5'8", but you should refer to charts that match height and draw length to arrow size. The arrow's diameter is also crucial: thicker arrows are built for stronger crossbows, while thinner ones are better for less powerful models. Remember, thinner arrows are less sturdy, much like uncooked spaghetti noodles that they can break more easily under high force.
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QuestionHow much should this project cost?Elias AlaouiCommunity AnswerIt depends if you already have some materials, but to buy the wood, saws and equipment I would say no more than $30.
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QuestionCan I change the power of the bow?Community AnswerYou can put another piece of PVC inside it, which might make it more powerful.
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Warnings
- Check your local hunting laws to find out when and where you can shoot a crossbow.Thanks
- Crossbows are weapons that can cause bodily harm. Use with care.Thanks
- Do not shoot in public places.Thanks
- Do not use this crossbow to shoot a person.Thanks
- This project should be completed under the supervision of a responsible adult.Thanks
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Things You'll Need
Materials :
- 2 x long piece of pine wood (approx. 1 metre/ 3.2 feet long)
- 1 x thin piece of pine wood (approx. 6cm/2.3 inches long, and 1 cm/ 0.393" thick
- 1 x length of 3cm/1.1" diameter PVC pipe (approx. 1 metre/ 3.2 feet long)
- Ball of nylon string
- 2 x miniature steel pulleys
- Roll of duct tape
- 6 x heavy duty tie clips
- 1 x square piece of foam
- 4 x wood screws (5cm/2" variety)
- 1 x wood nail (5cm/2" variety)
- PVC/Wood glue
- Wood stain/Varnish
- 6 pieces of thin dowel
Tools :
- Bench clamp
- Wood rasp
- Different grades sandpaper
- Ball point hammer
- Power drill (along with drill bits for screws and various sized drill bits for drilling holes in the wood)
- Pencil
- Hand saw
- Wood saw
- Hacksaw
- Chisel
- Wood rasp
References
- ↑ https://web.wpi.edu/academics/me/IMDC/IQP%20Website/reports/1314/bow.pdf
- ↑ https://web.wpi.edu/academics/me/IMDC/IQP%20Website/reports/1314/bow.pdf
- ↑ https://www.youtube.com/watch?v=DTVf117z_M8
- ↑ https://www.youtube.com/watch?v=DTVf117z_M8
- ↑ https://www.youtube.com/watch?v=DTVf117z_M8
- Videos provided by DIY - DutchMan
About This Article
Article Summary
X
To make a crossbow, you’ll need a pine board that’s around 38 inches long for the stock, which is the wooden center of the crossbow. Once you have your pine board, you'll need to figure out where you want the trigger and handle, which you can do by holding the stock against your shoulder. After cutting the trigger and making a groove in the stock to hold the string, create a grip by adding another piece of wood to the bottom of the stock. Finish your crossbow by attaching PVC pipes and pulleys to make the bow. To learn how to make the bow with PVC pipe, keep reading!
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Reader Success Stories
- "This is just about like the crossbows of the Montagnard people of the mountains of Vietnam. I'd seen pictures of them and tried to figure out the trigger system, but it just wouldn't click. Well, after I saw the instructions ad the videos, it did! Now I can make myself one, thank you very much." ..." more
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"This is just about like the crossbows of the Montagnard people of the mountains of Vietnam. I'd seen pictures of them and tried to figure out the trigger system, but it just wouldn't click. Well, after I saw the instructions ad the videos, it did! Now I can make myself one, thank you very much."
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"Using a steel bow tempered so it could be set to correct tension when bent helped. Used thin wire rope, center flexy drive from a dremel. Works perfectly, thanks."
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"I was working on a school project on how to make a crossbow. This has really helped a lot because all the necessary basic information is right here. Thanks a lot."
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"Following these easy steps I was able to make a working crossbow that suited my requirements, 10/10 would recommend."
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"This article is about crossbow making which helped me in making a small replica that shoots a toothpick!"
