A number of you have asked for the concrete submarine study by David Smith. It's now ready.I can send the PDF (as one email [18 pages] - 18.4 MB) to either the two Psub sites or to individuals.Min. page size is 317 KB, max. is 611 KB.Let me know what works for you guys.Rick in Vancouver==========================
“If they can get you asking the wrong questions, they don't have to worry about answers.” – T.R. Pynchon (Gravity’s Rainbow)