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12-04-2005 12:15 PM  12 years agoPost 1
shad3925

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South Cheshire UK

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Can anyone give the link/instructions on how to make a power supply for a field charger from a PC power supply.

Reg

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12-05-2005 04:04 PM  12 years agoPost 2
Sig Dawg

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Yorkton, Sask., Canada

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http://web2.murraystate.edu/andy.ba...powersupply.htm

This site has some good info. I used an ATX 400 watt supply (i think) for my conversion. It powers my Triton well.

Jason

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12-05-2005 04:39 PM  12 years agoPost 3
shad3925

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South Cheshire UK

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Many thanks

How many amps will your power supply handle.
I am looking to power a charger that is charging 13 cell nicads for my Logo 10 Heli

Reg

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12-05-2005 05:26 PM  12 years agoPost 4
Sig Dawg

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Not exactly sure but it is at least 13 amps as per my Triton operating requirements, it says on the top of the power supply what the amps it is capable of supplying at each voltage. I don't think it actually draws 13 amps though. When I'm charging, the triton display shows what is going out. I have charged my 12 cell GP 3300's at 3.5 amps with no problem, I am getting my packs upgraded to 13 cell for my Logo 10 as we speak. I could easily get 6 minutes out of these packs playing around hovering, etc. I just need a little more voltage so the heli has more punch

Jason

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12-05-2005 05:31 PM  12 years agoPost 5
shad3925

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South Cheshire UK

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Did you construct your power supply as per the link

http://web2.murraystate.edu/andy.ba...powersupply.htm

And did you have any pproblems?

Reg

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12-05-2005 05:55 PM  12 years agoPost 6
Sig Dawg

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Yorkton, Sask., Canada

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Basically I used the link for the info on what wires to use and especially the addition of the resistor. When I got my power supply (before modification) I plugged it in as is and tried to check the voltages it was supplying, but my meter showed no voltages, hence the need for the resistor, it switches something on the power supply board that allows the current to flow. I googled "converting a power supply to a 12 volt power source" and looked at a bunch of other links as well, I was a little nervous about it a first but everything went ok. The only tools I really needed was a soldering iron, voltage/ohm/amp meter, and some basic hand tools. Of the 50 or so wires that come out of a power supply I think i only used maybe 6 wires I used multiple12 volt supply wires to help handle the amps (keep things from getting to hot), same for the grounding wires. This is going off memory from about a year ago but I think I hooked the purple one up to the resistor, and back to ground, and the 12 volt wires up to my female bannana plug outlet, and a female banana plug outlet to ground.
I got information from a few different sites that helped me out.
Also if you mount the banana plugs to the case make sure you have clearance around the fan and internals when you close the case I found this out the hard way and had to relocate the banana plugs after I thought I was done.

Jason

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12-05-2005 06:35 PM  12 years agoPost 7
shad3925

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South Cheshire UK

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Many thanks for the info its much appreciated

Reg

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