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Model Forum / Radio Controlled / Land Models / February 2004PC power supply for R/C chargers
Some R/C geeks and I were wondering whether or not a salvaged PC power supply would make a serviceable supply to feed R/C DC chargers. I did a bit of surgery on an old 250w ATX power supply with excellent (if ugly) results. Aside from my sloppy electronics work, can anyone think of a downside to recycling this way? Pics and short write-up: http://www.mousetrap.net/~mouse/rc/pcps.html  SignatureL.V.X., brother mouse http://www.mousetrap.net/otr/ Old Time Radio trades http://makeashorterlink.com/?K16312E06 CBS Radio Mystery Theater database http://greyhound.mousetrap.net/altus/ retired racing dog > Some R/C geeks and I were wondering whether or not a salvaged PC power > supply would make a serviceable supply to feed R/C DC chargers. [quoted text clipped - 5 lines] > Pics and short write-up: > http://www.mousetrap.net/~mouse/rc/pcps.html Old PC power supplies make pretty good charger power supplies. I made one about 4 years ago. I put binding posts on it and utilized both the 5 and 12 volt outputs. The 5 volt outputs can be useful for such things as a com lathe or breaking in a motor. I can get 10 amps out of the 12 volt side. Normally you have to put a load across the 5 volt side (I do it internally with resistors) to maximize the 12 volt current output. SignatureJim ----- www.onandaga.com > Normally you have to put a load across the 5 volt side (I do it internally > with resistors) to maximize the 12 volt current output. Very interesting; I'll play with that a bit. SignatureL.V.X., brother mouse http://www.mousetrap.net/otr/ Old Time Radio trades http://makeashorterlink.com/?K16312E06 CBS Radio Mystery Theater database http://greyhound.mousetrap.net/altus/ retired racing dog > Some R/C geeks and I were wondering whether or not a salvaged PC power > supply would make a serviceable supply to feed R/C DC chargers. [quoted text clipped - 11 lines] > http://makeashorterlink.com/?K16312E06 CBS Radio Mystery Theater database > http://greyhound.mousetrap.net/altus/ retired racing dog There is an excellent topic in the rcracechat forums on this very subject http://www.rcracechat.com/forum/index.php?board=6;action=display;threadid=57 89 Seems a 400W psu is what you need to get a decent charging rate. Peter Unbroken link this time I hope. <http://www.rcracechat.com/forum/index.php?board=6;action=display;threadid=5 789> or http://tinyurl.co.uk/rv1t Peter > http://tinyurl.co.uk/rv1t A very thorough discussion of the topic; thanks for the pointer. SignatureL.V.X., brother mouse http://www.mousetrap.net/otr/ Old Time Radio trades http://makeashorterlink.com/?K16312E06 CBS Radio Mystery Theater database http://greyhound.mousetrap.net/altus/ retired racing dog |
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