Copper pipe - Revision history

MCRKilljoy at 22:33, 18 December 2016

2016-12-18T22:33:08Z

← Older revision		Revision as of 17:33, 18 December 2016
Line 14:		Line 14:

	Copper pipe is usually joined by [[sweating]], using [[compression fitting]]s, or [[Copper epoxy]].		Copper pipe is usually joined by [[sweating]], using [[compression fitting]]s, or [[Copper epoxy]].
	Compression fittings are much more expensive than soldering ones but require minimal tools to use (a ~~spanner~~ or two), copper epoxy uses the same solder fitting as for sweating but replaces the solder to make the join therefore requiring no blowtorch.		Compression fittings are much more expensive than soldering ones but require minimal tools to use (a wrench or two), copper epoxy uses the same solder fitting as for sweating but replaces the solder to make the join therefore requiring no blowtorch.

	The threaded fittings for copper pipe are made of brass or less commonly, corrosion resistant/coated steel as they have better mechanical strength than pure copper.		The threaded fittings for copper pipe are made of brass or less commonly, corrosion resistant/coated steel as they have better mechanical strength than pure copper.
Line 23:		Line 23:

	==Safety==		==Safety==
	~~Copper or Brass pipe/fittings should not be used with [[acetylene]] gas, as copper alloys can act as a catalyst to the explosive decomposition of the gas.~~

	Due to it's relatively thin walled nature, potentially dangerous sharp ends can exist on pipe ends that have not been cleaned, and anybody using it should be aware of this.		Due to it's relatively thin walled nature, potentially dangerous sharp ends can exist on pipe ends that have not been cleaned, and anybody using it should be aware of this.

	Cutting of copper has a high attrition rate on rotary multi-tool abrasive discs, which will wear down at a high rate, and break apart regularly. ~~Use of safety goggles is recommended~~		Cutting of copper has a high attrition rate on rotary multi-tool abrasive discs, which will wear down at a high rate, and break apart regularly. Copper pipe should be cut with a hacksaw or tubing cutter.

	[[category:construction materials]]		[[category:construction materials]]

MCRKilljoy: /* Pros/Cons */

2016-12-09T15:22:53Z

Pros/Cons

← Older revision		Revision as of 10:22, 9 December 2016
Line 7:		Line 7:
	Copper piping is typically very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material. The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.		Copper piping is typically very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material. The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.

	For comparable sizes of [[PVC]] it is around four times the price and considerably heavier, it is therefore only a viable alternative to plastic for small calibers of around 1" or less.		For comparable sizes of [[PVC]] it is around four times the price and considerably heavier, it is therefore only a viable alternative to plastic for small calibers of around 1" or less. However, DWV copper pipe and fittings are pressure rated! They are just rated to a lower pressure. DWV copper pipe and fittings are much cheaper than pressure rated ones. Pressure ratings can be found [http://cdn.conbraco.com/elkhart/documents/ref_Rated-Internal-Working-Pressures-Copper-Tube.pdf here]

	For comparable sizes of [[Steel Pipe\|steel]] it is has a lower pressure rating and again is more expensive. However due to the thinner walls it is comparatively light and it is cheaper to make non-mechanical joins with.		For comparable sizes of [[Steel Pipe\|steel]] it is has a lower pressure rating and again is more expensive. However due to the thinner walls it is comparatively light and it is cheaper to make non-mechanical joins with.

	==Types & Use==		==Types & Use==

Benstern: fixed and added links

2008-06-14T20:51:21Z

fixed and added links

← Older revision		Revision as of 15:51, 14 June 2008
Line 7:		Line 7:
	Copper piping is typically very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material. The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.		Copper piping is typically very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material. The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.

	For comparable sizes of [[PVC]] it is around four times the price and considerably heavier, it is therefore only a viable alternative to plastic for small ~~calibres~~ of around 1" or less.		For comparable sizes of [[PVC]] it is around four times the price and considerably heavier, it is therefore only a viable alternative to plastic for small calibers of around 1" or less.

	For comparable sizes of [[Steel]] it is has a lower pressure rating and again is more expensive. However due to the thinner walls it is comparatively light and it is cheaper to make non-mechanical joins with.		For comparable sizes of [[Steel Pipe\|steel]] it is has a lower pressure rating and again is more expensive. However due to the thinner walls it is comparatively light and it is cheaper to make non-mechanical joins with.

	==Types & Use==		==Types & Use==
Line 20:		Line 20:
	Copper pipe comes in two tempers, annealed and drawn. Annealed pipe is very soft, is sold in coils and can usually be bent by hand. Drawn pipe is rigid, sold as straight lengths and will flex rather than bend (to a certain limit). Bending drawn pipe without causing it to flatten out requires bending springs or mechanical bending devices which force the pipe over curved forms to create the desired shape without unwanted deformation.		Copper pipe comes in two tempers, annealed and drawn. Annealed pipe is very soft, is sold in coils and can usually be bent by hand. Drawn pipe is rigid, sold as straight lengths and will flex rather than bend (to a certain limit). Bending drawn pipe without causing it to flatten out requires bending springs or mechanical bending devices which force the pipe over curved forms to create the desired shape without unwanted deformation.

	Drawn pipe is the most useful in spudgun construction for ~~chambers~~ and barrels, since it will keep its shape and not get damaged as easily. It is also rated to about twice the pressure as an annealed pipe of the same size. Small bore annealed tubing has a place in areas such as pilot tubing from the main valve to the pilot valve where it's higher malleability allows for pilot valve positioning.		Drawn pipe is the most useful in spudgun construction for [[chamber]]s and barrels, since it will keep its shape and not get damaged as easily. It is also rated to about twice the pressure as an annealed pipe of the same size. Small bore annealed tubing has a place in areas such as [[pilot]] tubing from the main [[valve]] to the [[pilot valve]] where it's higher malleability allows for pilot valve positioning.

	==Safety==		==Safety==

Hotwired: General editing*

2008-06-02T21:37:30Z

General editing*

← Older revision		Revision as of 16:37, 2 June 2008
Line 1:		Line 1:
	Copper pipe and fittings are ~~rising in popularity as a~~ spudgun construction ~~material, particularly amongst UK based spudders,~~ due to the ~~rarity of~~ pressure rated ~~[[PVC]] in the country~~.		Copper pipe and fittings are popular spudgun construction materials due to their common availability in DIY stores. It is especially popular in countries such as the UK where pressure rated plastic piping is only available by order.

	==Pros/Cons==		==Pros/Cons==

	The primary advantages of copper pipe are that it is rated to much higher [[pressure]]s than PVC, and has better failure characteristics due to it's high malleability ~~preventing~~ shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s.		The primary advantages of copper pipe are that it is rated to much higher [[pressure]]s than PVC, and has better failure characteristics due to it's high malleability which results in splitting rather than shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s. The pressure ratings have a safety factor of around 7.
	~~It is also typically internally very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material.~~
	~~Copper~~ pressure ratings have a safety factor of ~~about~~ 7.

	The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.		Copper piping is typically very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material. The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.

	It is ~~more expensive than PVC (especially larger dimensions)~~ and considerably heavier, ~~and~~ is therefore ~~mostly used~~ for small ~~caliber cannons (~~1" or less).		For comparable sizes of [[PVC]] it is around four times the price and considerably heavier, it is therefore only a viable alternative to plastic for small calibres of around 1" or less.

			For comparable sizes of [[Steel]] it is has a lower pressure rating and again is more expensive. However due to the thinner walls it is comparatively light and it is cheaper to make non-mechanical joins with.

	==Types & Use==		==Types & Use==

	Copper pipe is usually joined by [[sweating]], using [[compression fitting]]s, or [[Copper epoxy]].		Copper pipe is usually joined by [[sweating]], using [[compression fitting]]s, or [[Copper epoxy]].
	~~The latter two~~ are ~~slightly~~ more expensive, but require minimal tools to use. ~~Threaded~~ fittings for copper pipe are ~~usually~~ made of brass.		Compression fittings are much more expensive than soldering ones but require minimal tools to use (a spanner or two), copper epoxy uses the same solder fitting as for sweating but replaces the solder to make the join therefore requiring no blowtorch.

			The threaded fittings for copper pipe are made of brass or less commonly, corrosion resistant/coated steel as they have better mechanical strength than pure copper.

			Copper pipe comes in two tempers, annealed and drawn. Annealed pipe is very soft, is sold in coils and can usually be bent by hand. Drawn pipe is rigid, sold as straight lengths and will flex rather than bend (to a certain limit). Bending drawn pipe without causing it to flatten out requires bending springs or mechanical bending devices which force the pipe over curved forms to create the desired shape without unwanted deformation.

	Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.		Drawn pipe is the most useful in spudgun construction for chambers and barrels, since it will keep its shape and not get damaged as easily. It is also rated to about twice the pressure as an annealed pipe of the same size. Small bore annealed tubing has a place in areas such as pilot tubing from the main valve to the pilot valve where it's higher malleability allows for pilot valve positioning.

	==Safety==		==Safety==
	Copper or Brass pipe/fittings should not be used with [[acetylene]] gas, as copper alloys can act as a catalyst to the explosive decomposition of the gas.		Copper or Brass pipe/fittings should not be used with [[acetylene]] gas, as copper alloys can act as a catalyst to the explosive decomposition of the gas.

	Due to it's relatively thin walled nature, potentially dangerous "sharp" ends can exist on pipe ends that have not been cleaned, and anybody using it should be aware of this.		Due to it's relatively thin walled nature, potentially dangerous sharp ends can exist on pipe ends that have not been cleaned, and anybody using it should be aware of this.

	Cutting of copper has a high attrition rate on rotary multi-tool abrasive discs, which will wear down at a high rate, and break apart regularly. Use of safety goggles is ~~doubly~~ recommended		Cutting of copper has a high attrition rate on rotary multi-tool abrasive discs, which will wear down at a high rate, and break apart regularly. Use of safety goggles is recommended

	[[category:construction materials]]		[[category:construction materials]]

Benstern: added links

2008-06-01T14:08:43Z

added links

← Older revision		Revision as of 09:08, 1 June 2008
Line 3:		Line 3:
	==Pros/Cons==		==Pros/Cons==

	The primary advantages of copper pipe are that it is rated to much higher ~~pressures~~ than PVC, and has better failure characteristics due to it's high malleability preventing shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s.		The primary advantages of copper pipe are that it is rated to much higher [[pressure]]s than PVC, and has better failure characteristics due to it's high malleability preventing shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s.
	It is also typically internally very smooth and consistent, which combined with it's high rigidity makes it exceptional barrel material.		It is also typically internally very smooth and consistent, which combined with it's high rigidity makes it exceptional [[barrel]] material.
	Copper pressure ratings have a safety factor of about 7.		Copper pressure ratings have a safety factor of about 7.

Pilgrimman: /* Pros/Cons */

2008-04-29T03:27:14Z

Pros/Cons

← Older revision		Revision as of 22:27, 28 April 2008
Line 5:		Line 5:
	The primary advantages of copper pipe are that it is rated to much higher pressures than PVC, and has better failure characteristics due to it's high malleability preventing shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s.		The primary advantages of copper pipe are that it is rated to much higher pressures than PVC, and has better failure characteristics due to it's high malleability preventing shattering. This makes it well suited for making high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s.
	It is also typically internally very smooth and consistent, which combined with it's high rigidity makes it exceptional barrel material.		It is also typically internally very smooth and consistent, which combined with it's high rigidity makes it exceptional barrel material.
			Copper pressure ratings have a safety factor of about 7.

	The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.		The consistent internal diameter also makes it popular for construction of [[combustion cannon]] [[fuel meter]]s.

	It is more expensive than PVC (especially larger dimensions) and considerably heavier, and is therefore mostly used for small caliber cannons (1" or less).		It is more expensive than PVC (especially larger dimensions) and considerably heavier, and is therefore mostly used for small caliber cannons (1" or less).

	==Types & Use==		==Types & Use==

Ragnarok at 15:45, 16 February 2008

2008-02-16T15:45:40Z

@@ Line 1: / Line 1: @@
-Copper pipe and fittings are rising in popularity as a spudgun construction material. It is more expensive than [[PVC]] (especially larger dimensions) and much heavier, and is therefore mostly used for small caliber cannons (1" or less). Copper pipe is also rated to much higher pressures than PVC, which makes it well suited for high pressure [[pneumatic cannon]]s and [[hybrid cannon|hybrid]]s. It is is also often used for making [[fuel meter]]s. Copper pipe is usually joined by [[sweating]], or by using [[compression fitting]]s. The latter are more expensive, and may slip under high pressure unless braced correctly, but they require no tools other than a wrench for mounting. Threaded fittings for copper pipe are usually made of brass.
+Copper pipe and fittings are rising in popularity as a spudgun construction material, particularly amongst UK based spudders, due to the rarity of pressure rated [[PVC]] in the country.
 Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.
 [[category:construction materials]]

70.31.208.207: spelling

2006-03-04T22:43:35Z

spelling

← Older revision		Revision as of 17:43, 4 March 2006
Line 1:		Line 1:
	Copper pipe and fittings are rising in popularity as a spudgun construction material. It is more expensive than [[PVC]] (especially larger dimensions) and much heavier, and is therefore mostly used for small caliber cannons (1" or less). Copper pipe is also rated to much higher pressures than PVC, ~~whih~~ makes it well suited for high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s. It is is also often used for making [[fuel meter]]s. Copper pipe is usually joined by [[sweating]], or by using [[compression fitting]]s. The latter are more expensive, and may slip under high pressure unless braced correctly, but they require no tools other than a wrench for mounting. Threaded fittings for copper pipe are usually made of brass.		Copper pipe and fittings are rising in popularity as a spudgun construction material. It is more expensive than [[PVC]] (especially larger dimensions) and much heavier, and is therefore mostly used for small caliber cannons (1" or less). Copper pipe is also rated to much higher pressures than PVC, which makes it well suited for high pressure [[pneumatic cannon]]s and [[hybrid cannon\|hybrid]]s. It is is also often used for making [[fuel meter]]s. Copper pipe is usually joined by [[sweating]], or by using [[compression fitting]]s. The latter are more expensive, and may slip under high pressure unless braced correctly, but they require no tools other than a wrench for mounting. Threaded fittings for copper pipe are usually made of brass.

	Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.		Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.
	[[category:construction materials]]		[[category:construction materials]]

GalFisk at 08:37, 26 October 2005

2005-10-26T08:37:32Z

← Older revision		Revision as of 03:37, 26 October 2005
Line 2:		Line 2:

	Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.		Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.
			[[category:construction materials]]

GalFisk at 08:37, 26 October 2005

2005-10-26T08:37:03Z

New page

Copper pipe and fittings are rising in popularity as a spudgun construction material. It is more expensive than [[PVC]] (especially larger dimensions) and much heavier, and is therefore mostly used for small caliber cannons (1" or less). Copper pipe is also rated to much higher pressures than PVC, whih makes it well suited for high pressure [[pneumatic cannon]]s and [[hybrid cannon|hybrid]]s. It is is also often used for making [[fuel meter]]s. Copper pipe is usually joined by [[sweating]], or by using [[compression fitting]]s. The latter are more expensive, and may slip under high pressure unless braced correctly, but they require no tools other than a wrench for mounting. Threaded fittings for copper pipe are usually made of brass.

Copper pipe comes in two tempers, annealed and drawn. Annealed copper pipe is very soft, and can usually be bent by hand. Drawn copper pipe is rigid, and will flex rather than bend (to a certain limit). Drawn pipe is the most useful in spudgun construction, since it will keep its shape and not get damaged easily. It is also rated to about twice the pressure as an annealed pipe of the same size.