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| + | == The Spudding Handbook == | ||
| + | Welcome to The Spudding Handbook! This wiki format handbook contains all of the information you will ever need to build spudguns, and much more besides. The purpose of this handbook is to explain the principles of spudguns and how they are built and operated. All of the information contained in this handbook is free and available to anybody who wishes to view it. | ||
| + | |||
| + | Look around and enjoy your stay. | ||
| + | --[[User:BC Pneumatics|BC Pneumatics]] 02:13, 31 May 2008 (EDT) | ||
[[Image:Cannon.jpg|frame|An Advanced Combustion Cannon]] | [[Image:Cannon.jpg|frame|An Advanced Combustion Cannon]] | ||
| + | ==What is a Spudgun?== | ||
| + | ''Main article: [[What_is_a_spudgun%3F|What is a spudgun?]]'' | ||
| + | |||
| + | |||
| + | There are many different names for spudguns. They are called potato cannons, spud launchers, potato guns, spud cannons, and a host of others. Whatever you decide to call it, all of the aforementioned describe the same type of device: a device used to accelerate a [[potato]] down the [[barrel]], and launch it some distance. While it may offend some purists, the humble little potato is quickly losing favor to other ammunitions such as [[golf ball]]s, [[tennis ball]]s, and other cheap, uniform projectiles. | ||
| + | |||
| + | ==Types of Spudguns== | ||
| + | |||
| + | |||
| + | === [[Pneumatic_launcher|Pneumatic Launchers]] === | ||
| + | |||
| + | These use the energy stored in compressed gas to launch a projectile. The launcher's [[chamber]] is [[pressure|pressurized]] and the gas held back from the barrel by a [[valve]]. When the valve is opened the gas is allowed to rapidly expand and escape down the barrel forcing the projectile out before it. | ||
| + | |||
| + | === Combustion Launchers === | ||
| + | |||
| + | * '''[[Combustion_launcher|Regular Combustions]]''' | ||
| + | |||
| + | These find the energy needed to launch a projectile from the [[Combustion process|combustion]] of a gaseous [[fuel]] and air mixture. The fuel is added to the air already in the chamber, the chamber is sealed and the mixture ignited. This combustion creates a pressure spike that forces the projectile out through the connected barrel. | ||
| + | * '''[[Hybrid_launcher|Hybrid Launchers]]''' | ||
| − | + | Hybrid launchers are a special type of combustion launcher that use a pre-pressurized fuel/air mixture. This results in a higher pressure and hotter combustion on ignition, thereby transferring more energy to the projectile. | |
| − | |||
| − | |||
| − | [[ | + | === [[BB Machine Gun]]s === |
| + | A [[BB Machine Gun]] (BBMG) is a device designed to shoot a large volume of small diameter ammo, typically plastic airsoft or steel BBs. BBMGs are pneumatic guns but unlike single shot launchers they require a constant gas supply to function. | ||
| − | + | ==Important & Related Links== | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | [[ | + | [[Index|Glossary/Index]] |
| + | |||
| + | [[Good technical examples & articles]] | ||
[[Useful construction links]] | [[Useful construction links]] | ||
| Line 22: | Line 43: | ||
[[Computer Applications]] | [[Computer Applications]] | ||
| − | [[IPLA]] | + | [[IPLA|International Potato Launching Association]] |
[[Safety]] | [[Safety]] | ||
| + | |||
| + | [[Ammunition]] | ||
[[Legal issues]] | [[Legal issues]] | ||
| Line 32: | Line 55: | ||
[[SpudFiles forum guidelines]] | [[SpudFiles forum guidelines]] | ||
| − | + | [[Spudding Jokes]] | |
| − | + | [[Forum Stickies]] (Some of the most important topics on Spudfiles) | |
==External links== | ==External links== | ||
| − | *[http:// | + | *[http://en.wikipedia.org/wiki/Spud_gun Wikipedia's page on spudguns] |
| − | |||
*[http://www.thehalls-in-bfe.com/GGDT Gas Gun Design Tool, simulation program for pneumatic guns] | *[http://www.thehalls-in-bfe.com/GGDT Gas Gun Design Tool, simulation program for pneumatic guns] | ||
| − | *[http://www. | + | *[http://www.thehalls-in-bfe.com/HGDT Hybrid Gun Design Tool, simulation program for hybrid/combustion guns] |
| − | *[http://www.spudfiles.com | + | *[http://www.spudfiles.com/forums/viewtopic.php?p=13324#13324 ATF Correspondence concerning spud gun legality] |
| − | + | *[http://www.spudfiles.com SpudFiles Forum (aka The Spud Cannon Database)] | |
| − | *[http://www. | ||
Latest revision as of 02:42, 9 October 2013
Contents
The Spudding Handbook
Welcome to The Spudding Handbook! This wiki format handbook contains all of the information you will ever need to build spudguns, and much more besides. The purpose of this handbook is to explain the principles of spudguns and how they are built and operated. All of the information contained in this handbook is free and available to anybody who wishes to view it.
Look around and enjoy your stay. --BC Pneumatics 02:13, 31 May 2008 (EDT)
What is a Spudgun?
Main article: What is a spudgun?
There are many different names for spudguns. They are called potato cannons, spud launchers, potato guns, spud cannons, and a host of others. Whatever you decide to call it, all of the aforementioned describe the same type of device: a device used to accelerate a potato down the barrel, and launch it some distance. While it may offend some purists, the humble little potato is quickly losing favor to other ammunitions such as golf balls, tennis balls, and other cheap, uniform projectiles.
Types of Spudguns
Pneumatic Launchers
These use the energy stored in compressed gas to launch a projectile. The launcher's chamber is pressurized and the gas held back from the barrel by a valve. When the valve is opened the gas is allowed to rapidly expand and escape down the barrel forcing the projectile out before it.
Combustion Launchers
These find the energy needed to launch a projectile from the combustion of a gaseous fuel and air mixture. The fuel is added to the air already in the chamber, the chamber is sealed and the mixture ignited. This combustion creates a pressure spike that forces the projectile out through the connected barrel.
Hybrid launchers are a special type of combustion launcher that use a pre-pressurized fuel/air mixture. This results in a higher pressure and hotter combustion on ignition, thereby transferring more energy to the projectile.
BB Machine Guns
A BB Machine Gun (BBMG) is a device designed to shoot a large volume of small diameter ammo, typically plastic airsoft or steel BBs. BBMGs are pneumatic guns but unlike single shot launchers they require a constant gas supply to function.
Important & Related Links
Good technical examples & articles
International Potato Launching Association
History (A Brief History of Spud Guns)
Forum Stickies (Some of the most important topics on Spudfiles)
