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| Git R' Dun - Electrics! Show us how you build your electric birds! Build threads only. |
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12-14-2007, 10:50 AM
| #325 (permalink) |
| If only you knew...    Join Date: Jan 2006 Location: Geneva, IL Age: 27
Posts: 1,786
 |  Re: FrankenPower! Building a 12V Power Supply
Capacitors have polarity indicated on the wrapping. When I say 12V rail, I mean any of the 12V wires will work. Put a black wire on the Negative end of the cap, and a yellow wire on the positive end of the cap. Works like a charm. 1 1000UF cap wasn't enough, so I used two and that worked great.
__________________ Seth Arnold is my hero! Blue Skies! Mike Bargman Site Administrator www.pitsbros.com Proud Supporter of www.builtbywalt.com |
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12-14-2007, 01:36 PM
| #326 (permalink) |
| Bad-ass Super Contributer!   | Re: FrankenPower! Building a 12V Power Supply
One other thing that I 've done to increase the standing voltage of PS from the low 12's to just under 13 volts was to wire (2) 1 ohm 10 W resistors in series instead of using (1) 10 ohm 10 W resistor. A word of caution though, they get pretty hot so make sure you put them by the fan to cool them down. heydick, so instead of the one sandbar i would replace it with to in line to increase power output.mine is also in the low 12's and i would like it a bit higher
__________________ Life's journey is not to arrive at the grave >safely and in a well preserved body,but rather to skid in > sideways,totally screwed up,worn out,shouting,"oh damn what a fine ride! AMA 98634 > LOOKS LIKE SINGLE LIFE IS A COMIN  > Futaba, FROMECO:a good way to get a charge out of life My avitar says it all.3w all the time  |
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12-14-2007, 04:27 PM
| #327 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Huntington Beach CA.
Posts: 1,019
| Re: FrankenPower! Building a 12V Power Supply
Yeah Ron, two sandbars of 1 Ohm 10 W each in series. I was searching the web and came across this mod to increase the voltage. The guy explained why but I can't remember, all I know is that it works. BTW, my PS is 650W.
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12-14-2007, 07:33 PM
| #328 (permalink) |
| Eccentricus Magnus  Join Date: Jan 2006 Location: Charlotte, North Carolina Age: 50
Posts: 3,449
| Re: FrankenPower! Building a 12V Power Supply
My OFNA 18 amp variable power supply just went POOF!!! Second power supply I've toastedin the last year, and 3 times as expensive as using the one listed in this thread. Guess what I'm doing next week. . . . . 
__________________ KrisW "Mediocrity is doing it THEIR way" It's 20% Plane, 5% Engine, and 75% Practice, practice, Practice . . .Excuse me, I'm off to the field. http://www.modelaircraftengineering.com BME Repair and Modifications Guru |
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01-12-2008, 10:57 PM
| #329 (permalink) |
| Woody's Aerobatics   Join Date: May 2006 Location: Morristown, TN Age: 45
Posts: 117
| Re: FrankenPower! Building a 12V Power Supply
Mike, Thanks Dude for starting this thread, I hadn't heard about it until today. While at the field today I was talking with a few pilots about needing a power source for my cube so I didn't have to keep a battery in the shop for it. One of the guys told me about this thread so I had to check it out. Being in the IT field myself it wasn't hard to come up with a good power supply, I have already got everything on the power supply ready so I can hit Radio Shack in the morning to get the resistors and plugs. Thanks a million you have laid it out so well I don't think I will have any problem building it.
__________________ Work Hard and Play Harder!! www.rc-planes.us free web hosting for AMA and IMAA sanctioned clubs. |
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01-12-2008, 11:05 PM
| #330 (permalink) |
| Bad-ass Super Contributer! | Re: FrankenPower! Building a 12V Power Supply
so instead of the one sandbarr just use two in the same place of the new value,good i will get them tomorow and let it hang out,thanks hhhhheeeeeeeeeeeyyyyyyyyy dick
__________________ Life's journey is not to arrive at the grave >safely and in a well preserved body,but rather to skid in > sideways,totally screwed up,worn out,shouting,"oh damn what a fine ride! AMA 98634 > LOOKS LIKE SINGLE LIFE IS A COMIN > Futaba, FROMECO:a good way to get a charge out of life My avitar says it all.3w all the time |
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01-15-2008, 11:40 AM
| #332 (permalink) |
| WHATS CRACKALAKIN!!!!!!!!!!!!!  Join Date: Jan 2006 Location: Wentzville, MO Age: 32
Posts: 6,732
| Re: FrankenPower! Building a 12V Power Supply
Two weekends ago I made myself a P/S. Got to use it over the weekend and it worked great for my ION^3 and Triton foamy flying. My only regret is that I didn't make one when the thread first started..... |
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01-15-2008, 11:43 AM
| #333 (permalink) |
| If only you knew... Join Date: Jan 2006 Location: Geneva, IL Age: 27
Posts: 1,786
| Re: FrankenPower! Building a 12V Power Supply
Pics?
__________________ Seth Arnold is my hero! Blue Skies! Mike Bargman Site Administrator www.pitsbros.com Proud Supporter of www.builtbywalt.com |
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01-15-2008, 11:57 AM
| #334 (permalink) |
| Bad-ass Super Contributer!  | Re: FrankenPower! Building a 12V Power Supply
please
__________________ My sponsors : Team "Shalat Rachok" Israel Spektrum radios/Horizon Hobbies my blog http://janstrydom.blogspot.com |
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01-15-2008, 12:00 PM
| #335 (permalink) | ||||||||||||||||||
| WHATS CRACKALAKIN!!!!!!!!!!!!! Join Date: Jan 2006 Location: Wentzville, MO Age: 32
Posts: 6,732
| Re: FrankenPower! Building a 12V Power Supply
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01-15-2008, 12:02 PM
| #336 (permalink) |
| If only you knew... Join Date: Jan 2006 Location: Geneva, IL Age: 27
Posts: 1,786
| Re: FrankenPower! Building a 12V Power Supply
It looks pretty bad ass with the LED's in it, Dave. I saw it before you packed it up.
__________________ Seth Arnold is my hero! Blue Skies! Mike Bargman Site Administrator www.pitsbros.com Proud Supporter of www.builtbywalt.com |
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