I thought it was because it was made from fiberglass or plastic so the mind control rays could get in.
On Thu, Aug 15, 2019, 6:23 PM Bill Prince <part15...@gmail.com> wrote: > It improves memory in children. > > We have a shed in the backyard with a metal roof. Plain gray. Nothing > fancy. I used my laser thermometer on the inside early this afternoon. The > OAT was 91F. The inside temp of just the roof was 152F. > > I should have brought bacon, eggs, and a frying pan. > -- > bp > part15sbs{at}gmail{dot}com > > > On Thu, Aug 15, 2019 at 5:03 PM Ken Hohhof <af...@kwisp.com> wrote: > >> OK, is that why they paint the tops of school buses white? I've always >> wondered about that. >> >> -----Original Message----- >> From: AF <af-boun...@af.afmug.com> On Behalf Of Robert Andrews >> Sent: Thursday, August 15, 2019 6:55 PM >> To: af@af.afmug.com >> Subject: Re: [AFMUG] Solar load >> >> Why most smart airplane owners want at least the top to be white! >> >> On 08/15/2019 04:40 PM, Bill Prince wrote: >> > Burt Rutan did a study of his own back around 1985 or so, as his >> > fiberglass creations were all sensitive to heat (room >> > temperature-cured epoxy/fiberglass). There is no question that pure, >> > unadulterated white is the best "color" to prevent thermal gain from >> > direct sun. All other colors, cream, light yellow, even mirror >> > experienced significant gains above just plain white. >> > >> > bp >> > <part15sbs{at}gmail{dot}com> >> > >> > On 8/15/2019 4:31 PM, Ken Hohhof wrote: >> >> >> >> The difference between standard machine grey and just bright white >> >> spray paint from the hardware store is dramatic. I suspect >> >> everything beyond that is incremental. >> >> >> >> Also back around 2005 when I ordered my first outdoor cabinet from >> >> DDB, I thought I wanted unpainted metal aluminum since all the >> >> traffic control boxes I see are plain metal or stainless steel. The >> >> salesperson said I absolutely didn’t want plain metal because it >> >> would get hot in the sun and what I wanted was the cream color. >> >> >> >> *From:*AF <af-boun...@af.afmug.com> *On Behalf Of *Bill Prince >> >> *Sent:* Thursday, August 15, 2019 6:19 PM >> >> *To:* af@af.afmug.com >> >> *Subject:* Re: [AFMUG] Solar load >> >> >> >> If you look up insulating paint on Wikipedia, the entry there says >> >> all ceramic heat-reflective coatings are snake oil. >> >> >> >> I did find a good discussion on Scientific American >> >> ( >> https://www.scientificamerican.com/article/benefits-of-insulating-paint/ >> ). >> >> They don't exactly describe it as snake oil, but they also suggest >> >> that you not get your hopes up. >> >> >> >> I suspect you can get your best results with a coat of reflective >> >> white paint, and try to keep it clean. >> >> >> >> bp >> >> <part15sbs{at}gmail{dot}com> >> >> >> >> On 8/15/2019 1:12 PM, ch...@wbmfg.com <mailto:ch...@wbmfg.com> wrote: >> >> >> >> Be interesting to do a bake off between this and the plain >> >> “satellite white” I use. >> >> >> >> I have always found it interesting that highly reflective things >> >> like polished aluminum, chrome and silver paint seem to be really >> >> bad at reflecting heat/sun. But we have all grabbed a chrome >> >> wrench that has been left in the hot summer sun and realized hot >> >> much it absorbs. I am guessing what we see as reflective, Infra >> >> Red sees as flat black. >> >> >> >> *From:*Bill Prince >> >> >> >> *Sent:*Thursday, August 15, 2019 1:46 PM >> >> >> >> *To:*af@af.afmug.com <mailto:af@af.afmug.com> >> >> >> >> *Subject:*Re: [AFMUG] Solar load >> >> >> >> Which reminds me of this material that a friend clued me in on. >> >> >> >> You can get this at Home Depot (for example). It is pricey; around >> >> $250 per 5 gallon bucket, AND it needs a top coat of another >> >> material at near the same price. However, for an advertised >> >> reduction in temperature of over 60 degrees F, it may be worth a >> look. >> >> >> >> https://superiorcoatingsolutions.com/super-therm/ >> >> >> >> bp >> >> >> >> <part15sbs{at}gmail{dot}com> >> >> >> >> On 8/15/2019 12:35 PM, Lewis Bergman wrote: >> >> >> >> I remember Chuck doing a study on this same subject so I >> >> thought there might be some interest. >> >> >> >> Cabinet heat load >> >> >> >> <https://www.ddbunlimited.org/wp-content/uploads/2019/08/Solar-Load-o >> >> n-DDB-Enclosures.pdf> >> >> >> >> -- >> >> >> >> Lewis Bergman >> >> >> >> 325-439-0533 Cell >> >> >> >> >> >> >> >> >> >> --------------------------------------------------------------------- >> >> --- >> >> >> >> -- >> >> AF mailing list >> >> AF@af.afmug.com <mailto:AF@af.afmug.com> >> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> >> >> >> >> >> >> >> > >> > >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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