Sharpen the end of the two inch diameter
pipe, it should cleanly core a potato when inserted. At about 4 inches
from the other end, insert 3 or 4 screws in a way that will prevent
the potato from falling into the combustion chamber.
Use the epoxy and
glue the pipes to the reducer, and the sewer pipe end on the back of
Drill two holes
across from one another, and install the electric barbeque lighter,
following the directions that come with your igniter.
Note: If possible try
to buy the two-wire push button switch, rather than a single wire
model, as it is easier to install. Use a nail or bolt to serve as the
ground contact. Test the distance before you glue things into place,
to make sure you consistently get a good spark.
Insert a potato into
the gun barrel. Using a broom handle or similar item, push the potato
down down the barrel to the screws at the bottom.
Unscrew the plug at
the back, and give the chamber a short burst of hair spray.
Note: The amount of
fuel is very critical! Too much and it will not ignite, and not enough
and you will get a poor shot.
and ignite your potato gun.