aerorigging 6 #1 August 24, 2010 Hello, any advice on how to measure porosity to follow the 8 cfm specification that PD talk on their reserve manual for reserves more than 20 years old I have this tool but Im not sure about the units of measure, the manual said: measure time in seconds of 250 ml trought 38 cm2 area at 10 mbar presure. http://www.jdc.ch/site/index.php?option=com_deeppockets&task=contShow&id=38&Itemid=421&lang=en Any help would be apreciate ARNicolas Lopez Master Rigger Aerorigging Parachute Loft Quote Share this post Link to post Share on other sites
piisfish 135 #2 October 28, 2010 that's a good question. Did you have an answer from anyone ??scissors beat paper, paper beat rock, rock beat wingsuit - KarlM Quote Share this post Link to post Share on other sites
