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08-13-2017, 06:08 PM
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Join Date: Aug 2013
Location: Maryland
Posts: 18
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Clean Ground Power Supply Unit (AC to DC)
Anyone have some recommendations on a power supply providing between 12.5 and 12.7VDC from 110VAC (nominal)? The intent is to supply bus power on the ground (during final avionics fit out and set up) as well as provide a means to provide power to the cockpit for extended ground periods.
The power supply should be outdoor rated if possible (aka: can be set on the ground, connected to the Hella DC power ports to the battery bus, and to the 110VAC cable to power). My preference is a capacity of about 10a, but anywhere between 7-20A is fine.
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08-13-2017, 06:33 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,507
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Years ago, one could buy a 12V Regulated power supply to run D.C. Equipment. Typically they were spec at 13.8 VDC and continuous current. I have a old 2A Regulated power supply that would run a Mobil CB radio. About 10 or 15 years ago, I purchased a 5 Amp version to run an old aircraft band transceiver as a base station in the hangar. Getting one rated to be outside may end being very expensive or you may need to wratherize yourself.
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Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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08-13-2017, 06:40 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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http://www.mfjenterprises.com/Produc...tid=MFJ-4245MV
I have the 25 amp version and can attest that it is electrically quiet.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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08-13-2017, 07:20 PM
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Join Date: Jul 2012
Location: MS
Posts: 310
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I use an Alinco DM-330 FX.
Dave
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08-13-2017, 07:40 PM
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Join Date: Jun 2005
Location: Raleigh, North Carolina
Posts: 1,128
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Bench power supply on Ebay
I picked up a used "Tenma" regulated DC bench power supply on EBay for 75 bucks and it has been extremely helpful in the wiring and testing of my aircraft systems. I agree with Gary though, a weatherproof model might be hard to find.
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Tom Norwood
Classic "Short Tail 6A N822PM
TMX-O360. Phase 1
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08-13-2017, 08:01 PM
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Join Date: Nov 2012
Location: Half Moon Bay, CA
Posts: 1,035
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Check out Ham Radio Outlet ( http://www.hamradio.com) for HAM power supplies; lots of options. I picked up a 50A Astron switcher for my shore power supply. I'm also a HAM and have had good experiences with this mfgr. The MFJ version above is nice as well.
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Bill Bencze
N430WB RV-7 #74152 @ KHAF, tip-up; IO-360-M1B; Hartzell CS. !! Phase 1 !!
2357 hrs over 8.5 years to get to flying. Log at: http://rv7.wbencze.com
VAF 2020 donation happily made
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08-13-2017, 08:25 PM
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Join Date: May 2006
Location: Pocahontas MS
Posts: 3,884
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Ebay. Do a bit of research; there are companies that almost pay you to take them. Fixed output, adjustable, just about any current you may need. Only thing missing is 'water proof'.
Charlie
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