Heres a site comparing different gases, I have nothing else to say so enjoy.
http://www.bernzomatic.com/bernzomatic/ ... sons.jhtml
Gas Things
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LucyInTheSky
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squeaks
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Well, this is kinda usefull except that it tells us everything that we already knew-butane is weaker than propane which is weaker than mapp which is weaker than acetylene. It would be interesting to get some comparisons like this on different gases though. Nice find.
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SpudBlaster15
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 12:43 pm, edited 1 time in total.
although the flame temp is hotter by 400 degrees, the burning velocity of propane is much higher, thus it burns faster blah blah blah
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SpudBlaster15
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 12:43 pm, edited 1 time in total.
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boilingleadbath
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...I figured you guys would compare them.
Butane:
C4H10 + 6.5 O2 -> 4 CO2 + 5 H2O
(7.5 -> 9)
With a flame temperature of 3200*F, this gives us a flame pressure of 7.1 times the inital pressure.
Propane:
C3H8 + 5 O2 -> 3 CO2 + 4 H2O
(6 -> 7)
With flame temperature of 3450*F, this gives us a flame pressure of 7.3x.
That's a difference of less than 3 psi in a typical combustion cannon.
Practicaly the same, if you ask me.
Butane:
C4H10 + 6.5 O2 -> 4 CO2 + 5 H2O
(7.5 -> 9)
With a flame temperature of 3200*F, this gives us a flame pressure of 7.1 times the inital pressure.
Propane:
C3H8 + 5 O2 -> 3 CO2 + 4 H2O
(6 -> 7)
With flame temperature of 3450*F, this gives us a flame pressure of 7.3x.
That's a difference of less than 3 psi in a typical combustion cannon.
Practicaly the same, if you ask me.