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Evening All,I'm working on contrail reduction and in a USAF Geophysics Research Department report from 1963 have come across a low hydrogen fuel designated 'TEF-1'.It was ultimately used in the Ryan Model 147 Lightning Bugs over VietnamWhat is it?Chris
Evening All,
I'm working on contrail reduction and in a USAF Geophysics Research Department report from 1963 have come across a low hydrogen fuel designated 'TEF-1'.
It was ultimately used in the Ryan Model 147 Lightning Bugs over Vietnam
What is it?
Chris
