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  1. tfhastie

    Controlling Dual A/C Packs

    The company I work for is developing a cargo conversion kit for an existing twin turbo-prop commuter aircraft. I’m working on the air conditioning modifications that we’ll need to perform to provide ventilation control to the Class E cargo compartment, and conditioned fresh air to the cockpit...
  2. tfhastie

    mil std's

    I usually pick them up here http://stinet.dtic.mil/str/dodiss4_fields.html when I need them Tom
  3. tfhastie

    Effects of 400HZ on power supplies.

    Transformers are optimized to work at a specific frequency, and I bet that your ATX powersupply probably has a transformer inside that steps the 120VAC down to whatever the output voltage is supposed to be (~12VAC if it outputs 12VDC...etc)... If you change the frequency that you pump into the...

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