Twin Jet Paper Airplane

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Food Living Outside Play Technology Workshop

Twin jet paper airplaneby neelandan on March 6, 2008

Table of Contents

Twin jet paper airplane ..........................................................................................................

Intro: Twin jet paper airplane ..................................................................................................

Step 1: Dismember a magazine ................................................................................................

Step 2: Diagonal fold ........................................................................................................

Step 3: Straight fold .........................................................................................................

Step 4: Cut and separate the tail ...............................................................................................

Step 5: Fold along the other diagonal ............................................................................................

Step 6: Turn paper over ......................................................................................................

Step 7: Parallel fold .........................................................................................................

Step 8: Magic .............................................................................................................

Step 9: Fold the fuselage ..................................................................................................... 1

Step 10: Fold the engines .................................................................................................... 1

Step 11: Fix the tail ......................................................................................................... 1

Step 12: Pull out engines and add dihedral ....................................................................................... 1

Step 13: Launch it! ......................................................................................................... 1

Related Instructables ........................................................................................................ 1

Comments ................................................................................................................ 1

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Author:neelandan author's website

Employed as an Engineer in Electronics.

Interested in building small circuits around tiny chips (the electronic kind).

Intro: Twin jet paper airplaneLong ago, before the internet was invented, we used to make these paper airplanes out of paper torn from our notebooks in class. It looks great and flies fast.

The video shows me making and flying the plane.

Step 1:Dismember a magazineTo keep the tradition alive, I shall build this plane out of scavenged paper - from a magazine.

The first step is to tear off (or cut) a rectangular piece of paper from suitable stock. I am illustrating the process with an old magazine I had lying around.

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Step 2:Diagonal foldNow fold the paper diagonally as shown in the picture. This forms one fold needed for the plane, and also to mark a square shape.

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Step 3:Straight foldNow fold the bottom part upwards. This puts a fold exactly where the rectangular piece of paper may be cut to make it into a square one.

The body of the plane is folded from this large square piece.

The smaller rectangular piece becomes the tail.

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Step 4:Cut and separate the tailNow open up both folds, and tear off or cut at that straight fold. You will end up with a large square piece, to make the body of the plane, and a smaller, rectangular piethat makes the tail.

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Step 5:Fold along the other diagonalNow fold the paper along the other diagonal and open it up again. You will have a square piece of paper with folds along the two diagonals.

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Step 6:Turn paper overTurn the paper over, so that you are looking at the back of the folds you just made.

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Step 7:Parallel foldFold the paper in half, so that the three folds cross each other at the centre of the square. Open it up, again.

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Step 8:MagicIt's magic. There is no other explanation, since the paper will automatically fold itself into a sort of triangular hat shape with four leaves at this point.

If it doesn't, (you're a squib?) just take up that piece of paper and urge it to fold along those three lines, all at once.

The two pictures show the paper on my scanner, and the picture taken by the scanner. It is a great way to document instructables, since the scanner automatically tak

care of all lighting and framing and exposure.

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Step 9:Fold the fuselageNow you take the two top 'leaves' and fold them forward, diagonally. This will form the fuselage of the plane.

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Step 10:Fold the enginesThe ends of the triangular pieces you have just folded are folded inwards to make the two engines.

Keep them small if you want performace. Or make them large for your plane to have large mean looking engines.

These add drag, so it is preferable to keep them small.

Step 11:Fix the tailNow assemble the plane. Take that rectangular piece of paper you did not throw away when you cut i t off and insert it into the body of the plane.

Fold the body in half, along the line of the tips of the engines. This fold will also lock the tail in position, and prevent it from taking independent flight when you launch i

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Step 12:Pull out engines and add dihedralNow pull those two last fold out so that they look like jet engine nascelles.

Put a dihedral on the wings by folding lengthwise. This also stiffens the tail, and makes the plane stable in flight.

Some control may be excercised over the flight trajectory by warping the wings and tail.

Warp the wings downwards to increase lift. Warp the tail upwards to make the plane climb.

Because of the large weight of the plane in relation to the wing area, this is a fast plane, and flights will be short but fast.

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Step 13:Launch it!That's it, have fun.

The plane is best launched by an overhand throw, nose pointed slightly downward. It shoud swoop close to the ground, then climb because of the initial speed, and thlevel out and settle gently into a descent.

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Comments

34 comments Add Comment

theswordninja561 says: Aug 9, 2011. 9:40 PM REPso...about the rec. piece...do i..just...stick it in there...lol

ClemensY290 says: Dec 31, 2008. 9:08 PM REPlol my stepdad taught me that one like 4 years ago, hes 53, he knows alot of the original paper airplane designs and this plane is a good one, at my schoolthrew it and it landed on the public library 5 blocks away( NOT A LIE) i have people who can vouch

theswordninja561 says: Aug 9, 2011. 9:31 PM REP...... i have never had a paper plane fly even close to that far..... and i have to ask you this.......sir......are you jesus!?

Elricho says: Aug 26, 2009. 8:14 PM REPhave u posted any??????????

bilal sardar says: Jun 9, 2011. 5:53 AM REPi saw the same paper plane on different site! its under the titlw of worlds best paper plane! any wayz its a good out dooR!

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buyuy says: Feb 15, 2010. 3:47 PM REPmy dad makes a better air planes

taco363 says: Jan 30, 2010. 11:17 AM REPThis plane is way to big for inside of a house...Unless you r Bill Gates

[ jack the young idiot ] says: Jan 26, 2010. 11:22 PM REPmy dad makes these =Dbut my design (completely different) is better :P

Healice says: Oct 17, 2009. 4:13 AM REPwhat the hell!It is newspaper ?

S RV says: Oct 15, 2009. 8:18 AM REPYou Rock man!Your plane is awesome and I got famous in my grade becauseof it.

unominame says: Sep 22, 2009. 7:42 PM REPlook cousins :D this plane and a variation of the swallow

catlover101 says: Sep 11, 2009. 2:40 PM REP

i dont want to ruin the tradition but would it work with a sheet of line-d notebook paper?

catlover101 says: Sep 11, 2009. 2:38 PM REPi cant wait to try bluiding it cuz my friend makes oragamis and planes alot and i dont think he no's this 1 so im gonna brag for a while lol

orangesrhyme says: Dec 21, 2008. 7:55 PM REPThe "magic" fold, for those inept in the arts (or non-paper airplane nerds), is called the squash fold.

bob the builder #1 says: Apr 13, 2008. 11:40 AM REPhow old are you neelandan?

neelandan says: Apr 15, 2008. 4:20 AM REPOld enough.

neelandan says: Apr 2, 2008. 1:41 AM REPJust received the prize (for max page views) today. T-shirt, Pilot's License and stickers.

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sadunpererarules says: Mar 21, 2008. 8:59 AM REPi like the Harry Potter humour

legoman says: Mar 18, 2008. 9:35 AM REPsweet

precious_sweetie_4u says: Mar 15, 2008. 7:03 PM REPheehee! I like the video. How did you get your hands to be edited as invisible? What program did you use? [and the flying segment of the video, as well]

neelandan says: Mar 16, 2008. 10:31 PM REPI have a post in the forum detailing the process of creating the video. Read it here: http://www.instructables.com/forum/Paper-airplane-videography/

The programs I used are listed here in my instructable: http://www.instructables.com/id/Time-lapse-movies/

Pumpkin$ says: Mar 16, 2008. 3:16 PM REPoh an by the way umm...precious_sweetie_4u he's using fishing line you can see it reflecting from the light

Pumpkin$ says: Mar 16, 2008. 3:14 PM REPput this on toss it!

FreshPineSent says: Mar 16, 2008. 10:45 AM REPVid = lawl

iq_abyss says: Mar 15, 2008. 8:19 PM REPWhat size paper, 8.5"x11" or something else?

neelandan says: Mar 16, 2008. 2:01 AM REPI measured the magazine. It is 27 cm x 20 cm.

kobezbro says: Mar 15, 2008. 7:36 PM REP

cool! i make something like this and ill get a pic up of it

duck-lemon says: Mar 11, 2008. 11:44 PM REPI need help on step 12 i'm confused

neelandan says: Mar 11, 2008. 11:48 PM REPMaybe I'll put that bit in the video ...

GorillazMiko says: Mar 11, 2008. 4:31 PM REPPretty cool. Did you have to scan each step to take a picture? I find that... very annoying and long. :P

Great job, might try it out.

You have to have a 30 second or less video of it in flight.

neelandan says: Mar 11, 2008. 11:46 PM REPYes, compared to a video of the process, scanning the steps is tedious. But I find that the best imaging device I have now is the scanner, and my bestpictures come from the scanner. Perhaps I have yet to learn to use the digital camera effectively. I am working on the video, and hope to get it postedsometime before the deadline. Thanks for the encouragement.

dyii says: Mar 11, 2008. 5:42 AM REPit works. even though it took me a bit of time to figure out the picture...

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kenny94 says: Mar 10, 2008. 5:38 PM REPkind of good....

cprocjr says: Mar 10, 2008. 5:03 PM REPi built it and it worked very well.