nscode Posted November 29, 2014 Posted November 29, 2014 Currently, the RPM gauge drops down to 0 when you turn off DC power. It should not. The RPM gauge (ИТЭ-2) does not need electric power other than it gets from its sensor. The instrument connects via two 3-pin connectors to a pair of pickups (ДТЭ-6) mounted on the engine, one for HPR and one for LPR. Back of ИТЭ-2 ДТЭ-6 I remember when this bug was corrected on Su-25T years ago. :) Never forget that World War III was not Cold for most of us.
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