I know Mark had listed on his site what he did to calibrate his pitot-static system, here is a link to another article on how to do it:
http://www.eaa1000.av.org/technicl/instcal/instcal.htm I hope it helps some of you . I'm going to build it to calibrate my system -- Glenn Martin Owner KR2 N1333A Martek Mississippi 13238 Hudson-Krohn Rd Biloxi, MS, 39532 rep...@martekmississippi.com