Rubber band minigun
Time: About 2 hours
From scrap: ████████░░ 80%
Make rubber band minigun is easy, but it will took too many time to reload it =) But you can't even imagine feelings of attacking your target with 336 rubber bands in just a few seconds! In the end of this topic you can find information about how this rubber band gun works, but now I want to show you how to make this crazy rubber band gun (or I should call it minigun).
So, 16 - barrels rubber band minigun!
- 10 mm plywood
- Metal or plastic rod (I have a stud with diameter of 5 mm)
- Bolts, nuts
- A wooden rolling pin or a cardboard tube from the roll of foil
- Metal corners
- The 100 gram pack of rubber bands =)
- Step 15
Drive wheel is made of plywood too. Attach two circle pieces of cardpaper with bigger diameter to both sides of drive whel. It will prevent a strap from jumping off from wheel.
- Step 16
Outer surface of drive wheelis covered by sandpaper for best friction with strap. Cylinder is covered by sandpaper too, in the side where a strap will be.
Attach a thick thread to the barrel. Wind thread from the first slot to the last, through the all of them, by spiral. After this, attach free end of thread to cylinder. Closely look at the next photo.
Now it's time for stretching rubber bands. Hook one end of rubber band in the barrel's nose slot and stretch it to the first, nearest to nose of barrel. Push it inside. Take second rubber band, hook it in barrel's nose slot (near the first rubber, yes) and stretch to the second slot, push inside. Continue while all of 21 slots will filled by rubber bands. Do it again for all 16 barrels, from first to last slots.
- Scream! Aim! Fire!
Spin the drive wheel by handle. Revolving will transmit to cylinder (because of belt drive). Cylinder start to spin and wind a thick thread on itself. Thread start to leave the last slot and pull last rubber band out. Rubber band will completely left slot and this is a first shot. Right in this time thread start to leave another slot and pull another rubber band out. Process continues until all 336 rubber bands will been shot.How to make rubber band gun more precision and increase rapidness of fire? Pretty simple. Use an electric motor instead of handle on drive wheel. But careful. Such rubber band minigun will be a really mad device for jokes =)
How to make rubber band minigun
Rubber band minigun's frame
Reloading of homemade rubber band gun
How rubber band minigun works
And here you can watch how diy rubber band minigun is working
- Mad rapidly of fire
- Experiments shown that this beast is able to shoot more than 20 rubber bands per second (!!!)
- Indispensable device for jokes.
- Escape with this rubber band minigun after joke is not so easy
- Number of barrels in this design is not limited, such as their length