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Those things break before you get a chance to freeflow. I can not imagine what you guys are doing to freeze regs. They should have the IP turned down and the second stage set so that it will not freeflow. I have only been able to freeze a reg in the air, and that was a SP MK G250. (I tried the shutoffs , but this is really dangerous. You can forget what position it is in and pass a dead reg, go to it yourself in a pinch and have it be off, or have the thing get stuck or the o-rings leak. When you try to switch second stages underwater ( which is how we deal with reg screwups), there is a little piece that gets stuck in the reg. I thought I was losing gas on RB dives , so I tried them, and then realized how dumb that was. Turning down the pressure and setting the second to a non hair trigger state is the best answer. -----Original Message----- From: George Giovani [mailto:ggiovani@at*.ne*] Sent: Tuesday, December 25, 2001 11:03 AM To: Trey; techdiver@aquanaut.com Subject: Apeks FCD George, thanks for the info on the D400. It's obvious that I should stay away from it. Since we are on the equipment topic, what's your opinion on the Apeks FCD (Freeflow Control Device)? It's supposed to be a little manual slider installed between the second stage and its hose, which would allow for second stage isolation during major freeflow. Do you think it adds any practical value to cold-water diving? Thanks again and Merry Christmas. George -----Original Message----- From: Trey [mailto:trey@ne*.co*] Sent: Tuesday, December 25, 2001 10:28 AM To: ggiovani@at*.ne*; techdiver@aquanaut.com Subject: RE: Scubapro D400 Try taking it apart underwater to clear it. Try breathing it other than on land in an upright position. This is the worst piece of shit ever made ( other than the "Air One" that these morons used to make). -----Original Message----- From: ggiovani@at*.ne* [mailto:ggiovani@at*.ne*] Sent: Monday, December 24, 2001 11:11 AM To: techdiver@aquanaut.com Subject: Scubapro D400 In a recent posting, I read that the D400 is not recommended as a stage reg for "well known reasons." Could someone elaborate on this? Perhaps as a more general question, what are the pros and cons of a D400 second stage and how does it compare to a reg such as the G250? Thanks and Happy Holidays. George -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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