Don't remember whether it was for a plane, or helicopter, but we had to build a supply which could cope with some weird voltage, at 440Hz,for use with BBC tech equipment..
The memory fades now, but I distinctly remember the frequency, as it is 'concert pitch' A..
Don't remember whether it was for a plane, or helicopter, but we had to build a supply which could cope with some weird voltage, at 440Hz,for use with BBC tech equipment..
The memory fades now, but I distinctly remember the frequency, as it is 'concert pitch' A..
For aircraft equipment, we have 400Hz supplies. (Not 200Hz)
I remember us having a fault on one of our Maintenance Training Rigs last year. The 400Hz power supply in the hanger was fine, but one of the Aircraft 'black boxes' had gone un-servicable and was swapped out to get the rig running again....
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