Jet Fuels: JP-8 (3773) vs. JP-8 (4177)

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SUMMARY

The discussion centers on the distinctions between JP-8 (3773) and JP-8 (4177) jet fuels, specifically their identification as POSF samples from Wright Patterson A/F Base. JP-8 is a kerosene-based fuel with additives, but the specific differences between the two variants are not well-documented. The user seeks clarity on the numbering convention, which appears to be non-standard, with 3774 following 3773. A reference document detailing the composition of JP-8 (3773) is provided, but no similar documentation for JP-8 (4177) exists.

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Saladsamurai
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Can anybody point me in the direction of some documentation that can help me to distinguish between these two fuels? I have been searching for hours and I keep coming across articles that use these as sample fuels in experiments, but none that actually describes the numbering convention?

I understand that JP-8 Jet A + additives, but what are the differences between the JP-8's themselves?

I have also see it as JP-8 POSF 3773 and JP-8 POSF 4177.

Any help is appreciated.
 
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The POSF numbers appear to be identifiers for specific fuel samples from Wright Patterson A/F Base, produced by different methods.

This gives the composition of 3773 (and two others, but not 4177).

http://idea.library.drexel.edu/bitstream/1860/3125/1/Kurman%20_Matthew%20S.pdf

I suspect there isn't any "numbering convention", except that 3774 is the next sample after 3773.

Presumably WPAB keeps a database ...
 
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