A battery powered paper airplane launcher, easy to build by children from about 6 years on, with a little preparation beforehand (some soldering and hot melt gluing). It will give ordinary folded paper planes some serious battery powered speed.

In the last step I added a template to help children fold a plane that works great with the launcher. The template also shows how decorations are affected by the folding (two pilots becoming one).

See how it works in the following videos (I did not select the fastest launches as this way you get to see something):

The device can launch a large range of models. As long as there is vertical and longitudinal bottom section at least about 1 cm height, it should work. You can find the principle in a number of other applications. As a kid I had toy accelerating matchbox cars on a track in a similar way. The Science Museum in London carries kits to make either a paper plane launcher or a Ping-Pong ball canon. In this instructable I explain how to build a battery powered paper plane launcher for less than 5 euro. If someone with a little experience (or willing to learn) does the soldering and hot melt gluing in advance, the construction and use makes a great childrens activity. It involves cutting and folding paper, nailing, some ordinary gluing and decorating. The high speed is not the best way to reach distance records, although it does allow children with less tossing skills to reach new personal records. Most importantly it is quite spectacular and great fun. Putting fingers between the fast turning wheels will be painful. But if you keep to the power of two AA batteries, there is no real danger of injury. Do avoid launching towards people, animals ore anything fragile. Of course, I can not accept any liability.

I first published this instructable arround the time of the "Toss it! Speed contest". Of course it did not compete in that contest as it involves battery powered launching instead of tossing. It still was a good time because of all those inspiring entries in the "Toss it! Speed contest", which made this launching device did come in handy.

Step 1: Parts, materials and tools

For the main parts I included some tips wher you can buy them online, [www.opitec.com Opitec] for Europe and Kelvin [www.kelvin.com Kelvin] for US & Canada. Of course you can also use parts you find elsewhere.

Here is the list:
- 2 small electric motors of nominal voltage 3 V (ref. 224.013 at Opitec or ref. 850646 at Kelvin)
- 2 wooden wheels about 4 cm diameter, with rubber tyre (ref. 601032 at Opitec. At Kelvin you can only find wooden wheels without tyre, ref. 390394, I explain some alternatives to add tyres in step 7.
- adapters to fit the wooden wheels to the motor shafts (ref. 842022 at Opitec or ref. 390632 + 990317 at Kelvin, I explain an alternative in step 8.
- a (pushbutton) switch (ref. 213011 for a pack of 10 at Opitec)
- two batteries (AA), a battery holder (ref. 206019 at Opitec) and a connector for the battery holder (ref. 207058 at Opitec)
- about 30 cm of electric wire
- plywood board about 3 to 5mm thick x 100 mm x 300 mm
- 3 pieces of timber about 15mm x 40mm x 200mm
- 9 or more small nails about 15mm long (at least shorter than the thickness of your board and your timber together)

- a (small) hammer
- scissors
- 2 (quick release) clamps
- a pencil or a fine marker
- some cellotape
- glue (superglue, white glue or childrens' crafts glue)
- a hot melt glue gun and some glue
- soldering iron and a little solder

- Acrobat Reader, a printer and A4 paper to print the templates

- optionally a washer fitting on the switch and a drill making holes allowing the switch go through completely and also the battery connector (with classic push button switches and connectors often a diameter of 11 or 12 mm should do it).
<p>Nice and easy to make dude :D</p>
Nice. But I'm more interested in that drill press... who makes it?
The drill press is probably more then 30 years old. I think it was sold by AEG, the brand of the power drill used in it. I should however fit any handheld drill with a standard clamping &quot;neck&quot;. Drill press &quot;conversions&quot; for handheld power drills should be available from a number of manufacturers. AEG did, and probably still does carry an impressive line of &quot;add-ons&quot;, even up to a wood turning lathe.
awesome time killer. I made it with lego wheels and the plane took off.
<a rel="nofollow" href="http://www.urbanoutfitters.com/urban/catalog/productdetail.jsp?itemdescription=true&itemCount=10&startValue=1&selectedProductColor=&sortby=&id=15649296&parentid=A_FURN_WHATSNEW&sortProperties=&navCount=93&navAction=poppushpush&color=&tabStyle=Details">Urban Outfitters is selling these for $18.</a><br/><br/>Congratulations?<br/>
Thanks, but I never claimed to have come up with the idea for this launcher by myself. As mentioned in my Instructable, inspiration came a.o. from kits carried by the Science Museum. I could not trace back who made it at the time of writing, but now I do (thanks), it must have been from Middlesex University. So the Middlesex University product already existed before my Instructable. But they certainly were not the first to use rotating wheels to launch things. My matchbox car launcher dating about 35 years back is an example. One could call it an obvious engineering solution. Bringing out a kit allowing kids to easily build such a device is probably the merit of Middlesex University. My Instructable is just an alternative to "scratch" build a similar device, also making it cheaper of course.
Oh, sorry, I missed the bit about it being museum-inspired. I thought you had created this a few months ago and corporate hacks had recently duplicated it. The commercial launcher appeared on gadget blogs about a week ago; I'm surprised your instructable didn't get more attention. That's true, I think I also had one of those matchbox car launchers. Junkyard Wars, that old tv show, also used a rotary flinger at some point, I can't find the episode.
perfect project and easy to make ;)
This I like, mainly because it's a mini version of my idea for a chav cannon. Nice one.
Cool, looks a bit hard to do kind of... and the point of this contest is just for the paper planes, no launchers, nothing. It's all about <em>tossing</em>.<br/>
You are absolutely right it does not fit the "Toss it! Speed contest". However, it is not hard to do. I really did try this out in a workshops with 20 kids age 6 and upwards. Of course I did the preparations in step 2 beforehand myself. At another occasion I also provided the as such prepared parts to parents with no technical training and little experience in crafts and they made a successful build together with their kids.
i was thinking about doing something like this and then designing a plane that would work really well with it. but you already did the first half so i might do the 2nd half. great idea.

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Bio: Send me a message if you're interested in Technology or Science Workshops in Flanders, Brussels or the Southern of the Netherlands. I have over ... More »
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