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1996-07-17
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3KB
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53 lines
@X086@X05.@X0821 @X03BASIC PIPE CANNON
@X08A simple cannon can be made from a thick pipe by almost anyone@X05. @X08 The
only difficult part is finding a pipe that is extremely smooth on its interior@X05.
@X08This is absolutely necessary@X05;@X08 otherwise@X05, @X08the projectile may jam@X05. @X08 Copper or
aluminum piping is usually smooth enough@X05,@X08 but it must also be extremely thick to
withstand the pressure developed by the expanding hot gasses in a cannon@X05.@X08 If
one uses a projectile such as a CO2 cartridge@X05,@X08 since such a projectile can be
made to explode@X05,@X08 a pipe that is about 1@X05.@X085 @X05-@X08 2 feet long is ideal@X05.@X08 Such a pipe
MUST have walls that are at least 1@X05/@X083 to 1@X05/@X082 an inch thick@X05,@X08 and be very smooth
on the interior@X05. @X08 If possible@X05,@X08 screw an endplug into the pipe@X05. @X08Otherwise@X05,@X08 the
pipe must be crimped and folded closed@X05,@X08 without cracking or tearing the pipe@X05.@X08
A small hole is drilled in the back of the pipe near the crimp or endplug@X05.@X08
Then@X05,@X08 all that need be done is fill the pipe with about two teaspoons of
grade blackpowder or pyrodex@X05,@X08 insert a fuse@X05,@X08 pack it lightly by ramming a wad
of tissue paper down the barrel@X05,@X08 and drop in a CO2 cartridge@X05.@X08 Brace the cannon
securely against a strong structure@X05,@X08 light the fuse@X05,@X08 and run@X05.@X08 If the person is
lucky@X05, @X08he will not have overcharged the cannon@X05,@X08 and he will not be hit by
pieces of exploding barrel@X05.@X08 Such a cannon would look like this@X05:
__________________ @X08fuse hole
@X05|
|
|
v
@X03 __________ ______________________________________________________
| |________ _____________________________________________________|
|@X08endplug@X03|@X08powder@X03|@X08t@X05.@X08p@X05.@X03|@X08 CO2 cartridge
@X03| ______|______|____|____________________________________________
|_|______________________________________________________________|
@X08An exploding projectile can be made for this type of cannon with a CO2
cartridge@X05.@X08 It is relatively simple to do@X05.@X08 Just make a crater maker@X05,@X08 and
construct it such that the fuse projects about an inch from the end of the
cartridge@X05.@X08 Then@X05,@X08 wrap the fuse with duct tape@X05,@X08 covering it entirely@X05,@X08 except for
a small amount at the end@X05.@X08 Put this in the pipe cannon without using a tissue
paper packing wad@X05.@X08 When the cannon is fired@X05,@X08 it will ignite the end of the fuse,
and shoot the CO2 cartridge@X05.@X08 The explosive-filled cartridge will explode in
about three seconds@X05,@X08 if all goes well@X05.@X08 Such a projectile would look like this@X05:
@X03 ___
/ \
| |
| @X08C @X03|
| @X08M @X03|
| |
| |
|\ /|
| | |@X05 ---- @X08tape
@X03|_|_|
@X03| @X05------ @X08fuse