Yep, it's definitely a consideration for general use, but for Burn stuff, the increase in cooling efficiency from having a pull vs. push fan is probably worth it.
And, hey, less dust hits the fan, right, so it all cancels out :-) I think it would be pretty easy to do a really big version of that fan-and-baffle thing *and sit in it* V> -- *Vinay Gupta * * [email protected] <[email protected]> * *http://re.silience.com* <http://re.silience.com> *Free Science and Engineering in the Global Public Interest* UK Cell : +44 (0)7500 895568 Twitter/Skype/Gtalk: hexayurt "In the midst of winter, I finally learned that there was in me an invincible summer" - Albert Camus On Tue, Jan 19, 2016 at 10:47 PM, Steve Upstill <[email protected]> wrote: > Apropos which, I bought and used this solar panel > <http://www.amazon.com/gp/product/B00FF1KEMI?psc=1&redirect=true&ref_=oh_aui_search_detailpage>. > $22, putting out 10W, enough to drive a modest case fan and (if you're > building a Home Depot Bucket swamp cooler) a small fountain pump. And it > only works when it's needed (i.e., when the sun is out)! > > On Tue, Jan 19, 2016 at 4:49 AM, Vinay Gupta (Hexayurt Shelter Project) < > [email protected]> wrote: > >> >> http://files.howtolivewiki.com/lost-swampcooler.jpg >> >> I thought there were no picture of this, but I just found one! >> >> The construction is incredibly quick: drill pin holes in the plastic tub >> every three inches, and stretch car rags across the tub, with two inches of >> air space at alternate ends (left end has the gap, then right end, then >> left end on each baffle.) The air has a long, smooth airflow path over all >> the baffles, and because they've got surface texture like a towel, the >> surface area is huge: lots of cooling. >> >> The fan is set to pull air through the rig, not push it, and is direct >> drive from the solar panel. >> >> Finally, there's a plastic sheet put over the whole thing before the lid >> goes one: the suction pulls it tight to the top of the cloth, and won't let >> the air just take the shortcut over the cloth. >> >> Put four inches of water in the bottom and you're good to go. The water >> gets damn cold and made a pretty good can refrigerator too! >> >> V> >> >> -- >> *Vinay Gupta * * [email protected] <[email protected]> * >> *http://re.silience.com* <http://re.silience.com> >> *Free Science and Engineering in the Global Public Interest* >> UK Cell : +44 (0)7500 895568 Twitter/Skype/Gtalk: hexayurt >> "In the midst of winter, I finally learned that there was >> in me an invincible summer" - Albert Camus >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "hexayurt" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/hexayurt. For more options, visit https://groups.google.com/d/optout.
