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I never did dive Miyakojima or Ishigaki, but I've visited and they are quite beautiful. I have dived Okinawa, Keramas, and Kumejima. I lived on Okinawa for 7 years, and can help you out with dive shops in that area if you ever visit there. Cheers, Gary

Parts are readily available through DGX, as is servicing. The manuals for the Jetstream are a little hard to follow, but they are available. I've had a couple of Jetstream sets for a few years now, and I dive them in addition to my Aqua Lung and Scubapro regs. They are a bit different, but...

I made this one last year. I used plywood for the base because that was what was lying around my shop. The gear motor came from Ebay, and the shaft, drive rollers, and bearings from McMaster. I used office chair wheels for the support rollers, and I can adjust the position of the support...

I agree, those things have pretty limited use, and I have no need for a backup air source that small for scuba. We did use a similar device (HABD) as part of the crew kit (located in the survival vest) in rescue helicopters. It gave you a few breaths to deal with getting out of the helo as it...

Good catch. He carried the spare air in case something went wrong, which I thought was a smart move.

10 years or so ago, I went to the local rec center pool with our local dive club to try out my new drysuit. There was a guy there (commercial diver by trade) not associated with the dive club who was testing out a rather strange set of kit. He had taken on the challenge of making a surface...

I'll have a look at the inflator when I sevice my BCD, especially before a trip. I connect it to a regulator and run it through a couple of inflate/deflate cycles. If there is any leaking, stickiness in the action or obvious crud in the mechanism, I pull it off and have a closer look. Check...

Looks like we found one!

Good thought, Thanks!

Looking for a download cable for a Genesis React Pro dive computer, circa 2002. Can't get into the medical aspects, but belongs to a diver I treated (successfully). We were able to cycle through the log and get depths, total dive times, and surface intervals, but it would be nice to download...

I've tried braided hoses but I'm not a fan. Other folks have had much better luck, but the rubber covered hoses are better behaved in a long hose and don't irritate my neck or mess with my drysuit neck seal. Since I usually use a 5' long hose for warm water diving, I use rubber hoses there as...

I will also occasionally dive a standard setup, and when I'm in the recreational instructor mode, I teach using that setup for the point you make--most of the recreational diving world uses it. I'm definitely not an activist for everyone using a long hose--I just prefer it when I'm diving for...

Looks like the original video is unavailable. There is another video from Alec on this subject. He went through a mea culpa moment, then proceeded into another unwatchable mess for anyone who understands the use of a long hose or the method of donating the primary. I use a long hose or...

May is pretty good. It is before typhoon season, so not likely to get blown out for a week when one of those things comes crashing through. Water temps are a bit colder than summer and fall, about 74-78 degrees F, 23-25.5 C in May. In my seven years there, January and February diving could...

Will do!

You beat me to it--guess I'm a lovely older diver too, having surpassed 6 decades! Way to take care of your friend Simon! I really miss living in Japan and my Japanese diving friends. Likely heading back to Okinawa for a visit next year, though.

I've tried braided hoses in various applications/brands over the years (high-end name brands and generics), and keep going back to rubber. I've experienced a much higher failure rate overall in braided hoses vs rubber hoses. I also learned early on that I don't like them rubbing along the back...

Yes, been doing it for years. The thin yokes are questionable at best for use on modern high pressure tanks, so upgrading to DIN with a Sherwood adapter puts these back in use. Only works on the older Mk2s with the male inlet. Since they only have one HP and 2 LP ports, they make dandy...

I've had a couple of fleabay 109's in that condition. Follow Couv's advice above. Take your time and apply gentle force after soaking--it'll break free. They will likely clean up well, and you'll be rewarded with a couple of great performing second stages that look great and have decades...

Just enough of a tap to initiate, and be prepared for quite a puff!