Recent posts (excellent setails) and an email sent me back to school. I did these calcs many years ago and I am sure they are in the archives, but I did them again today and also wrote the whole thing out in an illustrated article available permanently at http://www.honeybeeworld.com/diary/articles/drip_incl.htm Hope this helps. *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Access BEE-L directly at: http://community.lsoft.com/scripts/wa-LSOFTDONATIONS.exe?A0=BEE-L