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#10
August 15th 06, 07:56 PM
posted to rec.aviation.piloting
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Ethanol Powered Aircraft
Larry Dighera wrote:
On 15 Aug 2006 08:15:58 -0700, "Bret Ludwig" wrote in om: Natural gas is methane, which can be turned into methanol pretty cost-effectively. Ethanol, despite its poorer power density and seals compatibility issues, is far more benign and has more energy per gallon than does methanol. How does the energy density of LNG compare to ethanol? LNG has about 73,000 BTU/US Gal., while ethanol has about 80,000. Gasoline ranges between 110,000 and 125,000. Keep in mind that the LNG is also accompanied by a very heavy tank, which has payload implications. 
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