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----- Original Message ----- From: "Doug Chapman" <dougch@ea*.ne*> > P.S. On a separate thread. I am building a number of systems for the Japanese > which will operate to 400meters, with submersion times up to two weeks on > each deployment. I do not know anything about Apek regulators but I am > interested in the details of the first stage to see how compatible they are > for the project. I would also be interested in the 2nd stage designs for > possible modification for the project, although I typically design my own > 2nds (as an acoustic signal with a high enough intensity and low frequency > will activate a standard 2nd stage regulator and deplete the gas source). Can > anyone direct me to a webpage with detailed info on Apeks (breakdown > drawings); and where could someone find these regulators in Central Florida As I understand it, John Bennett used Apeks TX100's for backgas on his 254m open water record dive with no problems at all. He said they remained a light breath at that depth. He's also recently done a 308m dive but I don't know whether he was using Apeks again for that one, not may details of the dive have been released as yet. Apeks's site is http://www.apeks.co.uk , they used to have some technical diagrams on there, try mailing them if you can't find what you want. Regards, Iwan -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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