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  1. Rich Keller

    Transitioning from Tech to Commercial

    The focus of a commercial diving school is more towards teaching you enough to be a tender rather then a diver. Most commercial divers already have a useful skill before they start. You will learn the basics but you will not be proficient until you learn more on the job. I would suggest finding...
  2. Rich Keller

    Have you reached a Diving "Plateau. "

    I usually go out east for the better visibility. I generally paddle 5 miles or less. With the available launch sites and going only 5 miles I can reach about 90% of the shoreline. Is there an area you needed information about?
  3. Rich Keller

    Have you reached a Diving "Plateau. "

    After 49 years of diving, 10 of those as a commercial diver, my plateau is back to where I started. This is what I do to relax, so I am primarily interested in shallow and long dives in clear warm water. Anything else just seems like work now. I still do some work for people I know but that is...
  4. Rich Keller

    My advice to new divers

    Just some old school advice, keep it simple to start. You will have a lot of new equipment to get used to so go slow and keep it shallow. A rule of thumb we used before computers was if you dove a single 72cu/ft tank and stayed above 60 feet you could not stay down long enough to exceed the no...
  5. Rich Keller

    How penalizing are cheaper computers at "deeper" dives

    If you do find an answer to your question go with what you call the most “penalizing” computer. That type is also more conservative and safer.
  6. Rich Keller

    Mixing gases in a cylinder for a partial fill

    Nitrogen and oxygen are very close in weight so rolling a tank like that shouldn’t be needed. It is the helium mixes that benefit from tank rolling.
  7. Rich Keller

    Mixing gases in a cylinder for a partial fill

    The instructor was correct. It helps if you view the gases as liquids like mixing oil and water. You want to start with the heaviest gas first then add the lighter gas after. If you pour water through oil the water will go straight to the bottom without much mixing. Pour the oil into water and...
  8. Rich Keller

    Is there a "hardest cert/most stringent certifier?"

    Best training you can get would be commercial diver training. It’s not cheap and will take a long time. You will come out knowing more than any scuba instructor.
  9. Rich Keller

    What do you drive?

    2019 Toyota Tacoma 4X4 four door full size cab with a 5’ bed. It can handle 4 divers and their equipment. I also use it to carry my kayak and whatever I salvage while diving.
  10. Rich Keller

    Does anyone know if companies will extend warranties if equipment can't get inspected

    Good company’s should so that excludes Scubapro. The shut down probably won’t last long enough for this to be an issue anyway.
  11. Rich Keller

    Build a travel backplate?

    I just added a small wing to a commercial diving harness. It’s light weight and flexible for travel.
  12. Rich Keller

    Bored, self quarantined, how many still use snorkels

    I use mine when I go to the grocery store. I want to breath the air above all the other people.
  13. Rich Keller

    Indoor Diving Lake

    Forget the "diver-only" part of your plan and this might work. There are already a number of indoor water parks in the country. You could try to sell your idea to them as an addition to their existing parks.
  14. Rich Keller

    Carbon Fiber Backplates?

    This is also an option worth considering. Dolphin Tech by IST HHBP-III Commercial Diving Harness A commercial diving harness that is light weight and has been in service in the commercial diving industry for decades. This meets or exceeds the standards of every agency the regulates commercial...
  15. Rich Keller

    Green River Knife

    Why can't you put it on your leg? Try surgical tubing instead whatever straps it came with. Once you have it tied right the tubing will contract as your wetsuit compresses. It should never move out of place after that. My suggestion would be to have it on your thigh so the handle is where...
  16. Rich Keller

    Dumb scuba products

    Seems like a real bad idea as advertised but I have never seen one in person. Looks like it could be modified to install a reg and comms. Lose the snorkel part and vent air from the top of the mask. Making a poor mans band mask.
  17. Rich Keller

    Boat coats

    This should work for you. Classic Flotation Coat - Mustang Mustang is not the only manufacture of float coats. Just google float coats.
  18. Rich Keller

    How to get into salvage diving?

    Agreed. Diving is just your way of getting to the job. Its what you are able to do once you get there that will make the difference. Your ability to improvise is also very important as you never know for sure what you will find once you get there. The quote below from the US Navy Salvage...
  19. Rich Keller

    Nuclear plant fatality - Marseilles, Illinois

    I used my own lock out procedure. I didn't depend on tie wraps or their locks I used my own locks. Either my tender had the keys or if I was working alone I would take the keys down with me.
  20. Rich Keller

    Commercial Divers spin off from A&I

    I used my own lock out procedure. I didn't depend on tie wraps or their locks I used my own locks. Either my tender had the keys or if I was working alone I would take the keys down with me.
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