Propane - Revision history

Jimmy101: added stuff to the first image

2011-02-27T17:18:10Z

added stuff to the first image

← Older revision		Revision as of 12:18, 27 February 2011
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	[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common [[fuel]] used by builders of higher-end [[combustion cannon\|combustion launchers]] - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.		[[Image:Propane.gif\|right\|thumb\|300px\|The propane (C<sub>3</sub>H<sub>8</sub>) molecule. Carbon atoms are green, hydrogen atoms are white.]]'''Propane''' is probably the most common [[fuel]] used by builders of higher-end [[combustion cannon\|combustion launchers]] - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.

	Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the [[chamber]]; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fueling very small launchers.		Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the [[chamber]]; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fueling very small launchers.

Benstern: added links and fixed spelling

2008-06-01T11:05:18Z

added links and fixed spelling

← Older revision		Revision as of 06:05, 1 June 2008
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	[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common fuel used by builders of higher-end combustion launchers - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.		[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common [[fuel]] used by builders of higher-end [[combustion cannon\|combustion launchers]] - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.

	Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the chamber; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fueling very small launchers.		Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the [[chamber]]; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fueling very small launchers.

	It is important that the fuel/air mixture be near 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong].		It is important that the fuel/air mixture be near 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong].
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	Propane leaves no soot when burned, so it does not require one to clean their chamber frequently, and leaves practically no offensive odor after combustion. However, propane usually has an odorafactant added to make the odorless propane smell like rotten eggs.		Propane leaves no soot when burned, so it does not require one to clean their chamber frequently, and leaves practically no offensive odor after combustion. However, propane usually has an odorafactant added to make the odorless propane smell like rotten eggs.

	[[Image:UL100_sm.jpg\|right\|thumb\|300px\|Bernzomatic Torch]]Propane is sold in bulk tanks and disposable canisters at most hardware stores. A ~~convienent~~ "starter setup" for spud gunning is a [http://www.bernzomatic.com/ Bernzomatic] torch head and bottle set. All that is really needed is the propane cylinder and torch head and will cost $20 to $30. The standard 400 gram propane cylinder is enough fuel for hundreds of shots from a typical spudgun.		[[Image:UL100_sm.jpg\|right\|thumb\|300px\|Bernzomatic Torch]]Propane is sold in bulk tanks and disposable canisters at most hardware stores. A convenient "starter setup" for spud gunning is a [http://www.bernzomatic.com/ Bernzomatic] torch head and bottle set. All that is really needed is the propane cylinder and torch head and will cost $20 to $30. The standard 400 gram propane cylinder is enough fuel for hundreds of shots from a typical spudgun.

	Propane is frequently the propellant in [[aerosol]] cans such as spray paints, hair sprays and the old formulation of RightGuard antiperspirant.		Propane is frequently the propellant in [[aerosol]] cans such as spray paints, hair sprays and the old formulation of RightGuard antiperspirant.

	~~Ocasionaly~~, spud gunners have used a propane bottle as the source of pressurized gas for a pneumatic gun since the pressure in a the propane cylinder is in a ~~convient~~ range for a pneumatic and the bottle is easily portable. (See the pressure versus temperature table below.)		Occasionally, spud gunners have used a propane bottle as the source of pressurized gas for a [[pneumatic cannon\|pneumatic gun]] since the pressure in a the propane cylinder is in a convenient range for a pneumatic and the bottle is easily portable. (See the [[pressure]] versus temperature table below.)

	Propane is a member of the alkane family of hydrocarbons, having the general formula, C<sub>n</sub>H<sub>2n+2</sub>.<br>		Propane is a member of the alkane family of hydrocarbons, having the general formula, C<sub>n</sub>H<sub>2n+2</sub>.<br>

Jimmy101: minor formatting of the table

2008-04-22T16:58:29Z

minor formatting of the table

← Older revision		Revision as of 11:58, 22 April 2008
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	[[category:fuels]]		[[category:fuels]]
	[[Image:Propane_pressure_temp.gif\|right]]		[[Image:Propane_pressure_temp.gif\|right]]
	<table ~~class="small"~~ border="1~~" width="40%~~" id="table1">		<table border="1" id="table1">
	<tr>		<tr>
	<td ~~width~~=~~"50%"~~ bgcolor="#FFFFCC">Temperature<br />		<td align=center bgcolor="#FFFFCC"><b> Temperature <br />
	(<sup>o</sup>F)</td>		(<sup>o</sup>F)</b></td>
	<td ~~width~~=~~"50%"~~ bgcolor="#FFFFCC">Vapor Pressure<br />		<td align=center bgcolor="#FFFFCC"><b> Vapor Pressure <br />
	(psig)</td>		(psig)</b></td>
	</tr>		</tr>
	<tr>		<tr>
	<td>-44</td>		<td align=center>-44</td>
	<td>0 </td>		<td align=center>0 </td>
	</tr>		</tr>
	<tr>		<tr>
	<td>-30</td>		<td align=center>-30</td>
	<td>6.8</td>		<td align=center>6.8</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>-20</td>		<td align=center>-20</td>
	<td>11.5</td>		<td align=center>11.5</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>-10</td>		<td align=center>-10</td>
	<td>17.5</td>		<td align=center>17.5</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>0</td>		<td align=center>0</td>
	<td>24.5</td>		<td align=center>24.5</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>10</td>		<td align=center>10</td>
	<td>34</td>		<td align=center>34</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>20</td>		<td align=center>20</td>
	<td>42</td>		<td align=center>42</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>30</td>		<td align=center>30</td>
	<td>53</td>		<td align=center>53</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>40</td>		<td align=center>40</td>
	<td>65</td>		<td align=center>65</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>50</td>		<td align=center>50</td>
	<td>78</td>		<td align=center>78</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>60</td>		<td align=center>60</td>
	<td>93</td>		<td align=center>93</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>70</td>		<td align=center><b>70</b></td>
	<td>110</td>		<td align=center><b>110</b></td>
	</tr>		</tr>
	<tr>		<tr>
	<td>80</td>		<td align=center>80</td>
	<td>128</td>		<td align=center>128</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>90</td>		<td align=center>90</td>
	<td>150</td>		<td align=center>150</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>100</td>		<td align=center>100</td>
	<td>177</td>		<td align=center>177</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>110</td>		<td align=center>110</td>
	<td>204</td>		<td align=center>204</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>120</td>		<td align=center>120</td>
	<td>228</td>		<td align=center>228</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>130</td>		<td align=center>130</td>
	<td>259</td>		<td align=center>259</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>140</td>		<td align=center>140</td>
	<td>292</td>		<td align=center>292</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>150</td>		<td align=center>150</td>
	<td>329</td>		<td align=center>329</td>
	</tr>		</tr>
	<tr>		<tr>
	<td>160</td>		<td align=center>160</td>
	<td>369</td>		<td align=center>369</td>
	</tr>		</tr>
	</table>		</table>
	Source: engineeringtoolbox.com		Source: engineeringtoolbox.com

Benstern: added on the vapor pressure chart with data from here: http://www.glacierbay.com/ptchartpropane.asp

2008-04-22T16:10:43Z

added on the vapor pressure chart with data from here: http://www.glacierbay.com/ptchartpropane.asp

@@ Line 89: / Line 89: @@
             <td>110</td>
             <td>204</td>
           </tr>
         </table>
 Source: engineeringtoolbox.com

Jimmy101: Added Pressure vs. Temperature graph

2008-03-12T19:22:14Z

Added Pressure vs. Temperature graph

← Older revision		Revision as of 14:22, 12 March 2008
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	Combustion: C<sub>3</sub>H<sub>8</sub> + 5O<sub>2</sub> ==> 3CO<sub>2</sub> + 4H<sub>2</sub>O		Combustion: C<sub>3</sub>H<sub>8</sub> + 5O<sub>2</sub> ==> 3CO<sub>2</sub> + 4H<sub>2</sub>O
	[[category:fuels]]		[[category:fuels]]
			[[Image:Propane_pressure_temp.gif\|right]]
	<table class="small" border="1" width="40%" id="table1">		<table class="small" border="1" width="40%" id="table1">
	<tr>		<tr>
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	</tr>		</tr>
	<tr>		<tr>
	<td>-44 ~~<sup>1)</sup>~~</td>		<td>-44</td>
	<td>0 </td>		<td>0 </td>
	</tr>		</tr>
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	</tr>		</tr>
	</table>		</table>
	~~From~~: engineeringtoolbox.com		Source: engineeringtoolbox.com

Jimmy101: Added info about Bernzomatic torches

2007-12-06T15:16:17Z

Added info about Bernzomatic torches

Show changes

Benstern: spelling

2007-06-05T17:44:17Z

spelling

← Older revision		Revision as of 12:44, 5 June 2007
Line 1:		Line 1:
	[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common fuel used by builders of higher-end combustion launchers - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.		[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common fuel used by builders of higher-end combustion launchers - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.

	Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the chamber; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for ~~fuelling~~ very small launchers.		Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the chamber; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fueling very small launchers.

	It is important that the fuel/air mixture be near 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong].		It is important that the fuel/air mixture be near 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong].

SkweezMyCheez at 05:09, 25 December 2006

2006-12-25T05:09:00Z

← Older revision		Revision as of 00:09, 25 December 2006
Line 8:		Line 8:

	Propane is sold in bulk tanks and disposable canisters at most hardware stores, and most large stores, and is often the primary propellant in aerosols.		Propane is sold in bulk tanks and disposable canisters at most hardware stores, and most large stores, and is often the primary propellant in aerosols.

			Propane is a member of the alkane family of hydrocarbons, having the general formula, C<sub>n</sub>H<sub>2n+2</sub>.<br>
			Molecular Formula: C<sub>3</sub>H<sub>8</sub><br>
			Condensed Formula: CH<sub>3</sub>CH<sub>2</sub>CH<sub>3</sub><br>
			Combustion: C<sub>3</sub>H<sub>8</sub> + 5O<sub>2</sub> ==> 3CO<sub>2</sub> + 4H<sub>2</sub>O

	[[category:fuels]]		[[category:fuels]]

Boilingleadbath: rearangment

2006-12-18T21:11:05Z

rearangment

← Older revision		Revision as of 16:11, 18 December 2006
Line 1:		Line 1:
	[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]~~The~~ most common fuel of ~~high tech builders~~. ~~Often~~ [[fuel meter\|metered]] into the chamber at 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong]. ~~However~~, it ~~can be manually added trough (for example) a non-lit propane torch, as you would with an aerosol. The torch head mixes the propane with air, filling the~~ chamber ~~with a finished mixture~~, ~~so overfueling using this method isn't a problem. This is especially convenient in [[pill bottle gun]]s, where traditional metering isn't practical~~.		[[Image:Propane.gif\|right\|thumb\|300px\|The propane molecule]]'''Propane''' is probably the most common fuel used by builders of higher-end combustion launchers - and with good reason too. It is powerful, easily [[fuel meter\|metered]], clean burning, widely available and inexpensive.
	Propane is ~~often the primary propellent in [[aerosol]]s, it is also~~ sold in bulk tanks and disposable canisters.
			Propane can be injected the same way an [[aerosol]] fuel would, but it is common to devise a method to carefully control the amount metered into the chamber; often a conventional [[fuel meter]] or large syringe is used, although using the pre-mixed fuel mixture from an unlit propane torch is convenient for fuelling very small launchers.

			It is important that the fuel/air mixture be near 4.2% by volume, because you lose power if your fuel/air mix is [http://www.burntlatke.com/lpmapprussets.html wrong].

			Propane leaves no soot when burned, so it does not require one to clean their chamber frequently, and leaves practically no offensive odor.

			Propane is sold in bulk tanks and disposable canisters at most hardware stores, and most large stores, and is often the primary propellant in aerosols.

	[[category:fuels]]		[[category:fuels]]

Benstern at 16:07, 17 December 2006

2006-12-17T16:07:55Z

← Older revision		Revision as of 11:07, 17 December 2006
Line 3:		Line 3:

	[[category:fuels]]		[[category:fuels]]
			<table class="small" border="1" width="40%" id="table1">
			<tr>
			<td width="50%" bgcolor="#FFFFCC">Temperature<br />
			(<sup>o</sup>F)</td>

			<td width="50%" bgcolor="#FFFFCC">Vapor Pressure<br />
			(psig)</td>

			</tr>

			<tr>
			<td>-44 <sup>1)</sup></td>

			<td>0 </td>
			</tr>

			<tr>
			<td>-30</td>


			<td>6.8</td>
			</tr>

			<tr>
			<td>-20</td>

			<td>11.5</td>
			</tr>

			<tr>

			<td>-10</td>

			<td>17.5</td>
			</tr>

			<tr>
			<td>0</td>

			<td>24.5</td>
			</tr>


			<tr>
			<td>10</td>

			<td>34</td>
			</tr>

			<tr>
			<td>20</td>

			<td>42</td>

			</tr>

			<tr>
			<td>30</td>

			<td>53</td>
			</tr>

			<tr>
			<td>40</td>


			<td>65</td>
			</tr>

			<tr>
			<td>50</td>

			<td>78</td>
			</tr>

			<tr>

			<td>60</td>

			<td>93</td>
			</tr>

			<tr>
			<td>70</td>

			<td>110</td>
			</tr>


			<tr>
			<td>80</td>

			<td>128</td>
			</tr>

			<tr>
			<td>90</td>

			<td>150</td>

			</tr>

			<tr>
			<td>100</td>

			<td>177</td>
			</tr>

			<tr>
			<td>110</td>


			<td>204</td>
			</tr>
			</table>
			From: engineeringtoolbox.com