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This Instructable shows you how to transform a common ballpoint pen into a survival whistle which will fit inside an Altoids tin and still work as a p...
Consumable materials: --small piece of sandpaper --glue (optional) --Papermate Eagle ballpoint pen --it is quite possible there are other pens whic...
After removing the cap, pull the ink cartridge out of the pen with your fingers. Most of the ones I have made have come out VERY easily, but there wer...
Mark the pen barrel at 2 1/8 inches from the start of the straight part of the barrel. Cut at this point with scissors. Be careful--one or both pieces...
Sand the cut end of your mini-pen barrel until it is basically smooth and even.
Place a mark at about 3/4 of an inch from the original end piece. Cut here with scissors. This also poses a projectile hazard. After you find it, set ...
Grip the small original end piece with your pliers, on the open side. Squeeze with the pliers, rotating as necessary, to force the black end cap to sl...
Insert the black end cap into the mini-pen barrel.
Using your knife, cut a line perpendicular to the mini-pen barrel. This cut is called the window. The positioning of this cut is immediately at the po...
Holding your pen upright, or angled slightly, use your knife to cut at about a 45 degree angle aiming towards the bottom of your prior perpendicular c...
Next we will start on making an air passage, called a windway. If possible, remove the end cap. You can sometimes remove it at this point by using th...
Grip the end cap with your pliers so that one side is available for sanding. Sand the side of the end cap until there is at most a quarter of the side...
Reinsert the end cap into the end of the barrel, lining up the sanded area with the cut area to make your complete windway. Later after you are satisf...
Go back to the original middle section you set aside. Measure out about 9/16, and cut. This 9/16 length will be your mouthpiece section. Lightly sand ...
Use your scissors to cut the mouthpiece section down the length of one side.
Cut a tiny bit of the corners off one side of the mouthpiece, on either side of your middle cut. Sand these lightly to remove jagged edges.
You can use your original pen lid to force open the mouthpiece enough to get it over the end of your whistle. The positioning of the mouthpiece will b...
Positioning of the mouthpiece --You can move it forward and backwards to figure out the area which produces the loudest tone. Plugging the end --Some...
Measure and cut the ink cartridge at 2 1/8 inches from the part which begins the straight portion. The ink doesn't generally come out, but if you leav...
Once you are happy with your whistle, you can turn it back into a mini-pen for storage. Slide the now-shortened ink cartridge back into the pen. If d...
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