pescador775
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R&D has been going into rebreathers and swim fins but I dont' see it in flags and regulators. Most regulators are based on 30 year old designs and the "development" process amounts to twiddling and tweaking. However, liability insurance can be stiff. Personally, I don't go to dive shops much. I visited an LDS in JUL 05 in company of a newbie dive buddy. Previously, I had visited a shop a couple times in 1994 and found them helpful with a peculiar problem with a Scubapro regulator. Turns out that the "innovative" MK10 regulator was incorrectly designed and a new spring with different rate had to be installed in the second stage.
shakeybrainsurgeon:The same can be said of almost anything --- a prosthetic heart valve is a few ounces of metal and plastic and yet costs thousands of dollars... much of that goes to R and D, a intense amount of quality control and liability insurance. Profit is what drives development. Without profit, we still would be slugging across the ocean floor in iron-helmeted suits. Nothing costs much in terms of materials, exempting gold and precious metals and gems. What does a car costs in terms of metal and plastic, a few hundred bucks? And the most expensive computers are based on silicon, mere sand.