They were built by more than one manufacturer and some didn't have keels. A commercial diver and friend of mine bought one around 2000 to convert to a commercial dive platform. It sat on the hard for a couple of years after his death (ruptured aneurism). No keel at all.
Ted
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Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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