Re: Aviation Fuel

From:         kls@ohare.Chicago.COM (Karl Swartz)
Organization: Chicago Software Works, Menlo Park, California
Date:         05 Oct 95 13:26:01 
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>A JT8D burns about 1,000pph at idle and about 3,000pph at cruise. Don't
>have any SFC numbers - those books are in storage for another month or so.

Here are a few SFCs (at max power) with typical applications:

    JT8D-9	0.60	727, 737, DC-9
    JT8D-15	0.63	727 Advanced, 737 Advanced, DC-9
    JT8D-17	0.65	727 Advanced, 737 Advanced, DC-9-30/50
    JT8D-217	0.53	MD-82
    JT8D-219	0.528	MD-83
    PW2037	0.33	757, C-17
    PW2040	0.563	757PF
    PW4056	0.319	767
    PW4060	0.330	747-400
    PW4156	0.318	A300-600
    PW4460	0.330	MD-11
    CF6-50C	0.390	DC-10-30, A300
    CF6-80C2A3	0.329	A300-600, MD-11
    CF6-80C2B1F	0.316	747-400
    Tay 620	0.44	F100
    CFM56-2C1	0.36	DC-80-71/72/73
    CFM56-3B1	0.38	737-300/500
    CFM56-3C1	0.39	737-400
    CFM56-5A2	0.32	A320
    CFM56-5C2	0.33	A340

Now, how'd you like to give us a tutorial on just what SFC means?

--
Karl Swartz	|Home	kls@chicago.com
		|Work	kls@slac.stanford.edu
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Moderator of sci.aeronautics.airliners -- Unix/network work pays the bills