Thanks TenPenny, very much appreciated. Let me know if you continue to have difficulty with the file transfer/location and I'll just post up my email address. Thank you again! Pete
or info@tuffpumps.com in the UK, they might have 73l curves.
It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)