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(22 votes) Published: Oct 20, 2001 12:00 a.m. In 1 Favorites Lists Viewed 1151 times
The Tennis ball launcher
Materials:
6 or 7 cans the size of a tennis ball
I find that Hunts tomato puree cans work the best. Make sure you clean
these things out pretty well first!
Some electrical tape
A good flammable liquid
Try Ronsonol lighter fuel. I suppose gasoline would work but I wouldn’t
suggest it... probably blow your head off.
A can opener that makes the little triangles
Like the ones you use to open the big cans of Hi C.
Lots of matches
Dont try to use a lighter. Youll burn yourself numerous times.
Allright... how to assemble this crap to make a good tennis ball launcher:
ill assume you have all this crap... dont try to experiment too much.
Ive done these things many times and this is the best way to do it Ive found.
First. Take your cans and cut the tops and bottoms of all of them off
(except for one... ill explain what you do with this one later). Clean them
all out real good. Try to get it so you cant smell the whatever was in it
anymore.
OK, Time for the one I told you not to open up. Take this one and with your
handy-dandy can opener, cut triangles in the top all the way around. There
should be about 8 triangles all around the top of the can. Then clean this one
out as well. Then take a hammer and a nail about 5mm in diam. and punch a hole
about 1/4’ above the bottom of the can.
Now take all these cans and tape them together. Make sure the one with the
triangles is on the bottom. Line them up pretty well. They should look like
this when you got it:
That o at the bottom is the hole you punched with the nail.
Congratulations! You now have your very own tennis ball launcher!
I suppose your going to want to know how to work this thing... Alright, this
is how you go about it:
Take your flammable liquid (I really suggest you use Ronsonol lighter fuel.
It’s just the right flammability and has a little spout that makes it easy to
put the stuff in through the hole). Anyway, put a little of this stuff in the
launcher through the hole. Dont overload the thing or it wont work. Then take
those lungs of yours and blow into the hole. This vaporizes the fuel and makes
it explodable. The more times you blow into the hole, the better the ball will
shoot. Anyway, do this a couple of times and then take a match, light it, stick
it next to the hole and watch it fly!
If youve done everything right, you should hear a sort of muffled bang
and see a tennis ball flying high in the air. Some of my best shots have gone
over 500 ft, which is pretty good if you think about it. Its extremely powerful
and works somewhat like a bazooka when you hold it in your hands. You need 2
people to do it that way though.
If you dont get it the first time.. keep trying. It took me awhile to get
good at it. Once you know what youre doing though.. you can get it about every
time.
A few pointers:
Make sure the tape is on tightly and its airtight.
Sometimes, if the ball fits in really tightly, it helps to cut a hole
in it to shrink it a bit.
When you put the ball in, push it down about 3 or 4 cans. You have to
make sure there is enough room for the fuel to vaporize and not down too
far to keep the ball from escaping out.
May 16, 2005 4:04 am - this souds familer my pop told me about something like this and i posted it, so dont say i copied ur egg plz,
any way i found that you can use PVC pipe.
and that u dont have to blow through the hole, just shake it around
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