Spud Gun - Potato Gun

Spud guns - Potato Gun are powered by combustion are the least hard to build. The four basic elements that go into make a Spudgun are :

• Barrel
• Combustion chamber
• Ignition source
• Fuel system

In order to fire, the operator loads a projectile into the barrel of which the cheapest and easiest to abstain is a potato, then adds some fuel ( aerosols or propane ) to the chamber , and triggers the ignition source (piezoelectric BBQ igniter for example). The fuel will then ignite, create hot expanding gases, and force the projectile i.e. spud , out of the barrel at about 300 ft/s.

Distances vary greatly depending on the type of fuel used, the size of the launcher / gun , and the "idealness" of the fuel/air ratio; 100 meters is a common distance.

High tech combustion launchers may now include metered propane injection, chamber fans, multiple spark gaps (spark strips), and high voltage ignition sources (fly back circuits, stun guns, camera flashes, etc).

Despite their ease of construction, combustion launchers are less powerful than their pneumatic counterparts.

Spud guns are often painted to increase their aesthetic value and to cover unsightly primer stains.This is where your imagination can go wild and the more bling the better in some spudgun circles where other spudgun fans go for a more deadly looking spudgun.