YokoTsuno
Topic Author
Posts: 319
Joined: Tue Feb 01, 2011 1:21 pm

Can An Airliner Fly On CNG Or LPG

Sun Nov 20, 2011 3:27 am

The question says it all.

I assume it is possible except that it's a bit of a problem to build a tank which can store such huge amounts of gas under high pressure.
 
titanmiller
Posts: 86
Joined: Thu May 25, 2006 2:57 pm

RE: Can An Airliner Fly On CNG Or LPG

Sun Nov 20, 2011 3:30 am

I don't see why not. Stationary turbines often run on gaseous fuels (mostly natural gas). Liquid fuel is nice because it can fit in irregular spaces without being under pressure.
 
my235
Posts: 94
Joined: Mon Mar 23, 2009 10:21 pm

RE: Can An Airliner Fly On CNG Or LPG

Sun Nov 20, 2011 3:50 am

Perhaps the temp differences at altitude have some quite negative effects? Have no idea though.
 
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LAXintl
Posts: 20868
Joined: Wed May 24, 2000 12:12 pm

RE: Can An Airliner Fly On CNG Or LPG

Sun Nov 20, 2011 4:41 am

Yes the USSR tried it.

http://www.tupolev.ru/english/Show.asp?SectionID=82

http://www.migas-indonesia.net/index...an&task=doc_view&gid=630&Itemid=42

Half the plane was taken up by LNG tank, so it obviously was not a commercially practical idea.
From the desert to the sea, to all of Southern California
 
KELPkid
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Joined: Wed Nov 02, 2005 5:33 am

RE: Can An Airliner Fly On CNG Or LPG

Sun Nov 20, 2011 4:46 am

Probably the reason you don't see it is because the weight of the required tanks erases any benefit derived from the fuel itself...propane tanks aren't light  
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