Wouldn’t diesel gel at -20F?
From: AF <af-boun...@af.afmug.com> On Behalf Of Mark Radabaugh Sent: Wednesday, November 16, 2022 8:55 AM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Subject: Re: [AFMUG] Solar panel ice/snow buildup When I looked at propane for a standby generator at the data center I calculated it out as a 3000 gal tank at -20F to be able to provide sufficient flow for a 125k generator. Or it needed a propane boiler to turn liquid to gas. I went with diesel :-) Mark On Nov 15, 2022, at 11:43 PM, Sean Heskett <af...@zirkel.us <mailto:af...@zirkel.us> > wrote: How big is your propane tank? In the cold temps you need a large tank that is mostly full to keep the pressure high so it stays a vapor. If the tank is small and/or below ~40% full then in the cold temps it doesn’t stay a vapor and the engine won’t run. This site has a good explanation: https://www.hunker.com/13418816/how-does-cold-affect-propane-tanks -Sean On Mon, Nov 14, 2022 at 5:00 PM lists gogebicrange.net <http://gogebicrange.net/> <li...@gogebicrange.net <mailto:li...@gogebicrange.net> > wrote: Sean, We have had a bear of a time getting out propane generator to start below 10 degrees and defiantly below zero. What system are you using and does it start in the cold? Everything I have found commercially available is setup for a grid tie with a small heater on the carb that runs on grid power. Thanks, Brandon From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > On Behalf Of Sean Heskett Sent: Saturday, November 12, 2022 2:44 PM To: AnimalFarm Microwave Users Group <af@af.afmug.com <mailto:af@af.afmug.com> > Subject: Re: [AFMUG] Solar panel ice/snow buildup In addition to froth-pak, be sure to tilt them at [latitude] + 23.5. We are at 40 north so we tilt the panels at about 65* 40 + 23.5 = 63.5* At that angle when there’s any amount of direct sunlight it slides pretty quick. But we also have a propane generator on-site because the stars don’t always align just right :-/ -Sean On Fri, Nov 11, 2022 at 3:02 PM James Howard <ja...@litewire.net <mailto:ja...@litewire.net> > wrote: I have a vague memory of a thread in bygone years about testing different kinds of coatings to help with buildup of snow/ice but I can’t find the thread and don’t remember if it was about solar panels or dish antennas. The only thing I can find when I search my archive is about using froth-pak on the back of the panels. Are there any other options that work? -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- Sean Heskett ZIRKEL Internet • WiFi • Phone • TV 970-871-8500 x100 - Office -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- Sean Heskett ZIRKEL Internet • WiFi • Phone • TV 970-871-8500 x100 - Office -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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