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 <[email protected]> wrote:
> OK, is that why they paint the tops of school buses white? I've always
> wondered about that.
>
> -----Original Message-----
> From: AF <[email protected]> On Behalf Of Robert Andrews
> Sent: Thursday, August 15, 2019 6:55 PM
> To: [email protected]
> 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 <[email protected]> *On Behalf Of *Bill Prince
> >> *Sent:* Thursday, August 15, 2019 6:19 PM
> >> *To:* [email protected]
> >> *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, [email protected] <mailto:[email protected]> 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:*[email protected] <mailto:[email protected]>
> >>
> >> *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
> >>
> >>
> >>
> >>
> >> ---------------------------------------------------------------------
> >> ---
> >>
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> >> [email protected] <mailto:[email protected]>
> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
> >>
> >>
> >>
> >>
> >
> >
>
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