Based on everything I have read so far it really does address the question. Stop trying to look so far into the 2nd stage and reread the material in the book. Joe-Diver has a good point to ask a tech if you cannot grasp the concept any further from the above.
Equipment Resources Question
- Thread starter ianw2
- Start date
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see if this helps - there is an animation down the page.
http://entertainment.howstuffworks.com/scuba1.htm
http://entertainment.howstuffworks.com/scuba1.htm
ianw2:
Well, look at the picture, It is labled right?? a part that says "to the diver" and Diaphragm?
Go out and invest in the Encyclopedia on DVD for your computer. That has video.
A regulator that is designed so that tank air pressure neither assists nor resists the opening of valves is called:
That's about as tough as it gets...
That's about as tough as it gets...
rawls:
What about the difference between Upstream and down stream
OP
TRhanks, tedj01! Thnat was pretty cool.
Ian
Ian
GA Under Water:
Don't recall a question about upstream v downstream. An upstream opens against the flow of air and a downstream opens with the flow of air. If there is a question on the exam about it then that is probably how it will be worded.
If the smiley is about getting into the nuts and bolts of upstream regulators then I can definitely appreciate the humor...I feel I have a pretty good layman's grasp on downstream designs but a understandable description of how a upstream works has yet been given to me aside from what I described above...Maybe some of you may be able to provide a good explanation....
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