DIY flex fuel, hydrogen, natural gas, ??? - Page 2 - Fuelly Forums

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Old 09-13-2007, 05:14 AM   #11
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Just based on this statement, this is going to take more pressure and/or volume than "on the cheap" can probably accomodate, I think this project is a bust:

"at 3600 psi, compressed natural gas has about one-third as much energy as gasoline, about 44,000 BTU per unit volume"

A 5 gallon bbq tank of propane would work just fine, but propane is easier to coax into a liquid than natural gas.

If I figure right, even at 112 psi, I would need 20 bbq tanks to hold the energy equivelant of 1 gallon of gas
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Old 09-13-2007, 08:20 AM   #12
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Well, 1 SCF (standard cubic foot) contains 1000 BTU. So yeah, you need pretty high pressure :P.
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Old 09-13-2007, 03:46 PM   #13
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I'm sorry, this isn't gonna evolve into a DIY. Would one of the oh-so-nice moderators please move this out of DIY and into "General Tech"? Or create a "Not completely baked" category to put it in?
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Old 09-13-2007, 03:49 PM   #14
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Moved!
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Old 09-13-2007, 03:52 PM   #15
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Muchos gracias
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