Article 31245 of alt.solar.thermal: Path: news.misty.com!not-for-mail From: nicksanspam@ece.villanova.edu Newsgroups: alt.solar.thermal Subject: Re: Still more comments on "Solar Water Heating" by Bob Ramlow Date: 4 Sep 2008 11:30:11 -0400 Organization: Villanova University Lines: 25 Message-ID: References: NNTP-Posting-Host: acadia.ece.villanova.edu X-Trace: max.inside.misty.com 1220542213 31489 153.104.44.130 (4 Sep 2008 15:30:13 GMT) X-Complaints-To: abuse@misty.com NNTP-Posting-Date: Thu, 4 Sep 2008 15:30:13 +0000 (UTC) Xref: news.misty.com alt.solar.thermal:31245 amdx wrote: >... In your second post many of the paragraphs were without enough >context to understand your point. It helps to have the book handy. > I'll bet those 94 cans of Great stuff is a real mess. :-) I've used 9 so far. They claim you can leave a canister attached to the dispenser handle for 30 days, but the handle seems to gum up overnight unless you run some of the acetone cleaner through. This: >> 173 In most parts of the US, collector frames have to be strong >> enough to withstand a 100 mph wind... Should have read ...DO NOT have to be strong enough... >> Building codes specify max local windspeeds and basic velocity >> pressure P = 0.00256V^2, eg P = 16 psf at V = 80 mph. Nick