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  • From: dr-ange AT comcast.net
  • To: Market Farming <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] help with bower on tunnel
  • Date: Tue, 29 Dec 2009 10:33:38 +0000 (UTC)

thanks very helpful...
----- Original Message -----
From: sunnfarm AT netscape.com
To: "Market Farming" <market-farming AT lists.ibiblio.org>
Sent: Monday, December 28, 2009 9:52:28 AM GMT -05:00 US/Canada Eastern
Subject: Re: [Market-farming] help with bower on tunnel

You only need a small blower that puts out 50 cu. ft. per minute at zero psi. The common blower used is called the Dayton 4C440. You can regulate inflation by cutting back the size of the blowers air intake opening or by seperating the two poly layers for a small length on the end wall. Poly only needs no more than one inch of airspace to full insulate the greenhouse... Bob.

--- dr-ange AT comcast.net wrote:

From: dr-ange AT comcast.net
To: Market Farming <market-farming AT lists.ibiblio.org>
Subject: [Market-farming] help with bower on tunnel
Date: Sun, 27 Dec 2009 23:27:25 +0000 (UTC)


-Hi 
I am new to this!

Just finished building a 50 ft tunnel greenhouse -
Does any one know if a blower can be too powerful for the 2 layer of plastic, --- at the 
the 3 clock beem that hold the plastic to the greenhouse is being pulled apart, the screw which hold the metal tracking is being pulled apart.   I must say i am in shock......

what could cause this -  the only thing i could think of is the blower  -

thanks
ange 
amherst ma
 ---


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