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fuel volume

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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fuel volume

Unread postAuthor: F.E.A.R._Sniper » Wed May 07, 2008 10:52 am

i was wondering if anyone knew the cc's of liquid fuel in a lighter and how many cc's of gas it will produce when unpressurized?
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Unread postAuthor: SpudFarm » Wed May 07, 2008 11:15 am

i guess about 9
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Unread postAuthor: jimmy101 » Wed May 07, 2008 1:20 pm

How Many Shots Are In A Lighter?

I measured the internal volume of this type of lighter and it contains about 0.35in<sup>3</sup> (5.7cm3) of butane. The density of liquid butane is 0.58g/cm<sup>3</sup>, so these lighters contain ~3.3 grams (0.057 mole) butane. 0.057 mole of a gas at STP is equivalent to 1.3 liters of gas. A combustion gun with a 3"D x 12"L chamber needs 2.7in3 (44cm<sup>3</sup>) butane for a 3.2% mixture. Therefore, this size lighter, for this size gun, contains about;

(1.3L / 44cm<sup>3</sup>) * (1000cm<sup>3</sup>/L) = 30 shots


From <a href="http://www.inpharmix.com/jps/Fuel%20Meter%20From%20A%20Disposable%20Butane%20Lighter.html">here</a>.
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