B737 800 Power Socket
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Join Date: Feb 2006
Location: Essex
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B737 800 Power Socket
Hi, is it possible to use the power socket in the flight deck in flight? I believe the cleaners plug the hoover in there but I wondered if it was usuable in flight and if so, is it possible to buy adapters to power say a battery charger from it? I figured that thing must produce so much excess power it won't mind if I steal some for my headset batteries.
Join Date: Sep 2007
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Sure, works on ground as well as in the air, just for the record the output is 115VAC/400Hz, european gear won't fit/work.
Once saw a 737-200 which had a portable gps hooked up in there, and mounted before the F/O instruments
Once saw a 737-200 which had a portable gps hooked up in there, and mounted before the F/O instruments
Join Date: Aug 2005
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Laptops and many other electronic devices these days come out of the box ready for US/UK use. The compatible power supplies are labeled 120/240VAC 50/60HZ and require only a simple plug adapter.
UK mains are 230V @ 50HZ, if I recall correctly.
UK mains are 230V @ 50HZ, if I recall correctly.
Join Date: Feb 2005
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25-30 yrs ago I used a TI-58C handheld programmable calc w/dual-voltage charger (115/230 manual-switchable) from the flight deck outlet. The charger was a simple transformer/rectifier type, not auto-sensing like today's devices.
Anyway - even though the charger was labeled 50-60 Hz, it didn't mind the 400 hz at all. In fact, transformer theory tells you that it should run cooler on the higher frequency (lower iron losses).
And today's auto-voltage-sensing charger rectifies the AC line voltage directly to DC before feeding a switching-type power supply, so it too should be quite tolerant of the 400 hz.
Anyway - even though the charger was labeled 50-60 Hz, it didn't mind the 400 hz at all. In fact, transformer theory tells you that it should run cooler on the higher frequency (lower iron losses).
And today's auto-voltage-sensing charger rectifies the AC line voltage directly to DC before feeding a switching-type power supply, so it too should be quite tolerant of the 400 hz.
