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regarding e-learning, it's great.. just look at RAID, all e-learning is free, you can download the pdf manual for free, do all the quizzes etc free..the manuals get updated every now and then so you can just login and download the latest versions if needed, no worries it will "disappear" in the...

Ultra light fill composite tanks from interspiro with unlimited service life are used quite a bit in the Swedish armed forces, both by disposal divers, working and attack divers.

Another option I’m considering is to build the 5S2p using the m50s and existing shells but limit the draw to max 20.. as we won’t be using higher gears in most of the diving.. until I sort out an adapter for custom sized packs

So, a team of us are getting ready to purchase a few bt tech and as I usually go the diy route I’m looking into this. Considering building 5s3p packs using LG m50’s as I have these in bulk and they are great 10A batteries, so should be fine regarding draw (max 23A) with 3P. I have seen shell...

Looks good, previously built an O2 using a nano but thinking about tinkering along the lines of a fully integrated analyser.. Just one question..why is this not all put on github instead of pasting code in a forum ? ;)

yeah, I'm curious about this as well but without much RF background..following

I recently built another cannister for a friend using the same mini pwm dimmer I built for my own. Using LG 21700 batteries, a nice 35Ah, max 400W, dual output. The pww dimmer uses a ATTiny85, combined with some resistors and a n-mosfet. Simple program that adjusts between user selectable...

Yes, mask clearing is very easy and as a reply to previous poster, you do not need to do it forcefully, a little air is enough if you have a good mask. When I teach it during OW or in workshops, I make it a small competing, how many times can you clear the mask on one breath. After some practice...

Egypt liveaboard is nothing to worry about, heading back to Hurghada again tomorrow morning for second trip is year, going south this time Its all very chill, perhaps avoid Kairo City of you look too flash .

most agencies classify recreational diving as max 40m and no deco, always able to ascend immediately with no ceiling. Thus, doing deco dives is technical diving, doesn't matter if it's at 30m or 50m.. There are many different courses that cover deco diving, Raid offers Deco 40 as the intro to...

Dish washer is a tip I got from local distributer. Works great

Interesting choice of words.. I love my dry suit, feels weird when I dive wet.. Even Mexico/Egypt/Malta I rather dive dry santi emotion with fitting layers depending on temp.. But I would be very interested to test if the ursuit fir works under a wetsuit

has anyone tried this: FIR Deep Heat Vest SET · FIR Deep Heat Vest SET Size M · Ursuit with a wetsuit? It's fully waterproof and I use it often with my dry-suit to good success, but looking into powering it externally for control

I'm not going to blame you directly, but your instructor did a **** job if they passed you with problems like that.. they should have spent more time with you getting those things down before even going to the open water part of the course. Students should have no problem staying neutral, taking...

I sold my bz400x once I tried on a KWARK navy. So much more comfy, flexible and more adaptable. When I need extra warmth I wear merino base, when really cold ( sub 5 degrees )I use a heated vest for longer dives. But the KWARK is just so much better than the santi in all that matters to me...

Additionally the braided hoses are very floaty and tend to get annoying quite quickly . I switched immediately after starting to drills etc when I noticed how the miflex hose just didn't do what I wanted. Rubber is heavier but much smoother and follows nicely. I still use miflex on my inflator...

Leaky wing? Just patch it up yourself instead of buying a new one Easy in most cases like fixing a bike tire. The rest in not going to comment on

Tioman, love the place

I go either way, depends on the day :p my undergarments (KWARK) have p valve holes so up or down both route fine. Both myself and friends use these catheters, work great, good glue but easy to remove after.. https://goo.gl/images/hdmYDp

Both glass and non-processed paper are bio degradable so, yes, either of those two would be better. Electricity can come from clean sources.. and many items don't need as much packaging as they have today. So much pointless single-use plastics around, they should be banned on global level..