Does the new 3/16 count as vacuum even though its gravity?
Does the new 3/16 count as vacuum even though its gravity?
Sap running downhill by gravity in a 3/16" line will create vacuum. In this case, vacuum is vacuum, regardless of how it is created.
Dr. Tim Perkins
UVM Proctor Maple Research Ctr
http://www.uvm.edu/~pmrc
https://mapleresearch.org
Timothy.Perkins@uvm.edu
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