Well not sure 36 ft would last a life. It would rot like the original. The answer has to be very available like taking aircon filters apart from home depot. 69 cents each 2 X 3 ft...
On Wed, Sep 15, 2010 at 1:26 PM, Robert Atkinson <[email protected]>wrote: > Hi. > As you have identified, it's reticulated foam that we need for this > application. From memory I'd say the 35 pore per inch size is close to what > HP used. It works out at about 0.8mm pore size. Reticulated foam is > interesting. It's made from closed cell foam were the walls are either > dissolved out or they make the foam with an explosive gas in the cells and > then ignited. One other use is to stop explosions in fuel tanks. > > Robert G8RPI. > > --- On Wed, 15/9/10, Bob Camp <[email protected]> wrote: > > > From: Bob Camp <[email protected]> > Subject: Re: [time-nuts] Fan filters > To: "'Discussion of precise time and frequency measurement'" < > [email protected]> > Date: Wednesday, 15 September, 2010, 16:52 > > > Hi > > Any idea which of the pore size choices (30 through 100 ppi) is the closest > to what HP used? 36 square feed is pretty much a lifetime supply. Buying a > chunk of each would have you set forever... > > Bob > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Mark Sims > Sent: Wednesday, September 15, 2010 11:47 AM > To: [email protected] > Subject: [time-nuts] Fan filters > > > Both Philmore and Keystone (and lots of others) sell fan filter kits. They > have a grill and the media. > > These people are cheaper than most: > http://www.arcade-electronics.com/SearchResult.aspx?KeyWords=fan%20filter > > But for $25 or so you can get 36 square feet of the stuff: > http://www.airfiltrationprod.com/media.html > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
