Yes I was warned about the head dissipation. Ultimately the best option is to plug in a switching DC-DC converter. Will look for one but while I'm waiting this may be the best option, albeit with a huge heat sink
- - - *Olufemi Adalemo* M: +234-803-5610040 M: +234-809-8610040 f...@adalemo.com On Sat, Oct 20, 2012 at 1:57 AM, Blair Davis <the...@wmwisp.net> wrote: > Watch the heat dissipation on that... > > -- > > > On 10/19/2012 5:55 PM, Olufemi Adalemo wrote: > > A friend of mine suggested that I put a simple DIY LM317 voltage regulator > on the line. Just built one and it works to reduce the voltage just enough > for you to come in under the limit if you have a 24v solar power supply > system > > http://diyaudioprojects.com/Technical/Voltage-Regulator/ > > - - - > *Olufemi Adalemo* > M: +234-803-5610040 > M: +234-809-8610040 > f...@adalemo.com > > > > > On Fri, Oct 19, 2012 at 1:27 PM, Chris Fabien <ch...@lakenetmi.com> wrote: > >> My guess would be inconsistent cheapo volt meter or power >> supply/battery voltage was fluctuating. >> >> On Thu, Oct 18, 2012 at 10:24 PM, Greg Ihnen <os10ru...@gmail.com> wrote: >> > That's what I thought... but... he said: "We see 27.3 volts at the >> battery. >> > And 27.1 volts at the top with no load" >> > >> > >> > On Thu, Oct 18, 2012 at 3:57 PM, Chris Fabien <ch...@lakenetmi.com> >> wrote: >> >> >> >> No current = no voltage drop. Ohms Law. >> >> >> >> On Thu, Oct 18, 2012 at 3:38 PM, Jeromie Reeves <jree...@18-30chat.net >> > >> >> wrote: >> >> > The resistance of the length of wire. >> >> > >> >> > On Thu, Oct 18, 2012 at 11:03 AM, Greg Ihnen <os10ru...@gmail.com> >> >> > wrote: >> >> >> A voltage difference with no load? What's causing the drop? >> >> >> >> >> >> >> >> >> On Thu, Oct 18, 2012 at 10:06 AM, Justin Wilson <li...@mtin.net> >> wrote: >> >> >>> >> >> >>> We see 27.3 volts at the battery. And 27.1 volts at the top >> >> >>> with >> >> >>> no load. >> >> >>> Obviously load will have an impact on this. >> >> >>> >> >> >>> Justin >> >> >>> >> >> >>> -----Original Message----- >> >> >>> From: Jeromie Reeves <jree...@18-30chat.net> >> >> >>> Reply-To: WISPA General List <wireless@wispa.org> >> >> >>> Date: Thursday, October 18, 2012 9:15 AM >> >> >>> To: WISPA General List <wireless@wispa.org> >> >> >>> Subject: Re: [WISPA] Another Ubiquity question >> >> >>> >> >> >>> >That depends on wire size. That distance is not going to be >> ethernet >> >> >>> >so I will assume #12 AWG, 400ft, copper wire, etc. You should be >> >> >>> >seeing a 5.6% drop under a 1amp load or about 25v under load. >> >> >>> > >> >> >>> > >> >> >>> >On Thu, Oct 18, 2012 at 6:02 AM, Justin Wilson <li...@mtin.net> >> >> >>> > wrote: >> >> >>> >> 27 volts at the base. DC has very little loss over >> 400-500 >> >> >>> >> foot >> >> >>> >> distances. We are seeing about .1 volt loss on a 400 foot run. >> >> >>> >> >> >> >>> >> -----Original Message----- >> >> >>> >> From: Scott Lambert <lamb...@lambertfam.org> >> >> >>> >> Reply-To: WISPA General List <wireless@wispa.org> >> >> >>> >> Date: Thursday, October 18, 2012 12:16 AM >> >> >>> >> To: <wireless@wispa.org> >> >> >>> >> Subject: Re: [WISPA] Another Ubiquity question >> >> >>> >> >> >> >>> >>>On Wed, Oct 17, 2012 at 10:14:03PM -0400, Justin Wilson wrote: >> >> >>> >>>> Many UBNT deployments running at 27volts of clean DC power. >> Not >> >> >>> >>>> saying it's ideal but it works. >> >> >>> >>> >> >> >>> >>>27v at the ethernet port or 27v at the base of the tower? >> >> >>> >>> >> >> >>> >>>-- >> >> >>> >>>Scott Lambert KC5MLE >> Unix >> >> >>> >>>SysAdmin >> >> >>> >>>lamb...@lambertfam.org >> >> >>> >>>_______________________________________________ >> >> >>> >>>Wireless mailing list >> >> >>> >>>Wireless@wispa.org >> >> >>> >>>http://lists.wispa.org/mailman/listinfo/wireless >> >> >>> >>> >> >> >>> >> >> >> >>> >> >> >> >>> >> _______________________________________________ >> >> >>> >> Wireless mailing list >> >> >>> >> Wireless@wispa.org >> >> >>> >> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>> >_______________________________________________ >> >> >>> >Wireless mailing list >> >> >>> >Wireless@wispa.org >> >> >>> >http://lists.wispa.org/mailman/listinfo/wireless >> >> >>> > >> >> >>> >> >> >>> >> >> >>> _______________________________________________ >> >> >>> Wireless mailing list >> >> >>> Wireless@wispa.org >> >> >>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> Wireless mailing list >> >> >> Wireless@wispa.org >> >> >> http://lists.wispa.org/mailman/listinfo/wireless >> >> >> >> >> > _______________________________________________ >> >> > Wireless mailing list >> >> > Wireless@wispa.org >> >> > http://lists.wispa.org/mailman/listinfo/wireless >> >> _______________________________________________ >> >> Wireless mailing list >> >> Wireless@wispa.org >> >> http://lists.wispa.org/mailman/listinfo/wireless >> > >> > >> > >> > _______________________________________________ >> > Wireless mailing list >> > Wireless@wispa.org >> > http://lists.wispa.org/mailman/listinfo/wireless >> > >> _______________________________________________ >> Wireless mailing list >> Wireless@wispa.org >> http://lists.wispa.org/mailman/listinfo/wireless >> > > > > _______________________________________________ > Wireless mailing > listWireless@wispa.orghttp://lists.wispa.org/mailman/listinfo/wireless > > > -- > West Michigan Wireless ISP > Allegan, Michigan 49010 > 269-686-8648 > > A Division of: > Camp Communication Services, INC > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > >
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