Coaxial - Revision history

Benstern: added links

2008-06-01T16:40:19Z

added links

← Older revision		Revision as of 11:40, 1 June 2008
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] is well suited for use in a coaxial chamber.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to [[venting\|vent]] and mix the [[combustion process\|combustion]] products/[[fuel]] since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] is well suited for use in a coaxial chamber.

	Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=1909 incident] where a thinwall barrel has collapsed from the outside [[pressure]].

Benstern: spelling

2007-06-03T05:30:29Z

spelling

← Older revision		Revision as of 00:30, 3 June 2007
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] is well ~~suted~~ for use in a coaxial chamber.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] is well suited for use in a coaxial chamber.

	Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

Boilingleadbath: updated link

2007-04-15T10:26:09Z

updated link

← Older revision		Revision as of 05:26, 15 April 2007
Line 5:		Line 5:
	Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://~~forums~~.~~spudtech~~.com/~~topic~~.~~asp~~?~~ARCHIVE=true&TOPIC_ID~~=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

GalFisk: formatting, fixed half sentence

2006-03-15T16:38:26Z

formatting, fixed half sentence

← Older revision		Revision as of 11:38, 15 March 2006
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] is well suted for use in a coaxial chamber.

			Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

GalFisk at 21:16, 24 October 2005

2005-10-24T21:16:24Z

← Older revision		Revision as of 16:16, 24 October 2005
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[~~diaphram~~ valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphragm valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

1984 at 19:29, 24 October 2005

2005-10-24T19:29:40Z

← Older revision		Revision as of 14:29, 24 October 2005
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. ~~the~~ design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. The design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. Also, this is useful for [[diaphram valve]]s or [[piston valve]]s. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

GalFisk: Joined with text from launcher configuration

2005-10-19T08:46:09Z

Joined with text from launcher configuration

← Older revision		Revision as of 03:46, 19 October 2005
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] ~~extends into~~ the center of the [[chamber]], and the breech end is near the chamber endcap. ~~Coaxial cannons can be made shorter~~ and ~~more compact because~~ part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].		In a coaxial configuration, the [[barrel]] is placed in the center of the [[chamber]], and the breech end is near the chamber endcap. the design makes a very compact and rather nice looking launcher, since part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than in equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. However, it can be a pain to vent and mix the combustion products/fuel since there usually isn't much space for [[chamber fan]]s or traditional [[spark gap]]s. A [[spark strip]] Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

GalFisk at 08:06, 19 October 2005

2005-10-19T08:06:08Z

← Older revision		Revision as of 03:06, 19 October 2005
Line 1:		Line 1:
	In a coaxial configuration, the [[barrel]] extends into the center of the [[chamber]], and the breech end is near the chamber endcap. Coaxial cannons can be made shorter and more compact because part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than equivalent [[over/under]] or [[linear]] designs.		In a coaxial configuration, the [[barrel]] extends into the center of the [[chamber]], and the breech end is near the chamber endcap. Coaxial cannons can be made shorter and more compact because part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than equivalent [[over/under]] or [[linear]] designs. Mounting the barrel like this is usually done by means of a [[bushing modification\|modified bushing]].

	In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.		In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.

	In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.		In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.

GalFisk at 08:00, 19 October 2005

2005-10-19T08:00:22Z

New page

In a coaxial configuration, the [[barrel]] extends into the center of the [[chamber]], and the breech end is near the chamber endcap. Coaxial cannons can be made shorter and more compact because part of the barrel is enclosed in the chamber. However, this also means that the volume of the enclosed barrel is subtracted from the total chamber volume, so a longer chamber is needed than equivalent [[over/under]] or [[linear]] designs.
In [[combustion cannon]]s, another advantage of the coaxial design is that the cannon can be easily breech-loaded when removing the endcap for venting. Coaxial [[pneumatic cannon]]s almost exclusively use a custom built barrel-sealing piston or diaphragm valve design, since they are perfectly suited for this configuration.
In long chambers, internal barrel supports may be needed to keep the breech end of the chamber centered. The part of the barrel inside a pneumatic coaxial launcher is subjected to outside pressure, it should be noted that the tolerance for this can be lower than the pressure rating of the pipe. There has been at least one [http://forums.spudtech.com/topic.asp?ARCHIVE=true&TOPIC_ID=1909 incident] where a thinwall barrel has collapsed from the outside pressure.