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It is not that hard to identify locations of with on a dive Just sitting in one location will cause the flag to bob around. You can zoom in on your tracks far more than what I normally post, so it really is clearer than it might appear from the full view of the dive. You can see I had no...

Well, if you save 15lbs of theoretical weight they can sell 15 lbs of gear and a training course. And it will be for the Avelo and to use the scooter and the integration so you can see your scooter battery data integrated into the your Shearwater. And they will be able to sell you the...

I guess somebody see something I don’t…

There are GPS software that has time stamping in it. It is not a feature I am that in having. I have found that if you stay in one spot and pull in all the slack, you will have a mark that easy to identify and find again.

I use the steel 120s. I liked them because their diameter is the same as a AL80. I can swap between an 80 without messing with the cam and at all. The will fit on any boat and are a big tank for big lungs….

Truck nuts for diving.... and just as useful...

I have been following this for a while. I have nothing against the system and wish them the best in their endeavors. But, I do not understand the economics of the system. Every innovation has to basically cover two basic points; one being benefit, the other being cost. I am still not...

Hmmm... a couple of thoughts. The easiest solution is a friend with a boat. When planning the outing, go on google earth and look at the site from above. You may find a spot that offers easier access. Two factors determine how a wave breaks, one is the bottom topography, how steep the shore...

You seem to be shooting your own foot. If you have something clever and innovative,get a patent. If you are trying to woo investors, you aren’t very good at it. Without showing the product, you should at least be trying to explain the business model. Describing the specs on the product would...

Have you spent 4 minutes on social media?

I would say tell the shop. They have a duty to provide a safe work environment for those conducting classes, even the trainees. It will also make them pay attention to the the creepy older guy and they may run interference by keeping him at a distance. The association between the customer and...

If you bring one in a carry, okay with it if they confiscate it and throw it away. I had almost new bottle of sunscreen chucked. It didn’t occur to me that it was forbidden. Accidents happen, but, I wouldn’t intentionally test them

I took an Assistant Instructor course in college in 1983. I believe I got some PE credits for it and the cost was covered under my general tuition. I ended up not getting the certification because of a sinus infection prevented me from completing one of the pool requirements (the instructor...

I think the RK3s are popular because they are essentially a mildy updated version of the old Rocket/ jet design with bright colors and somewhat softer material, making them slightly more comfortable and a little of the plywood on your feet rigidity. TBH, I would buy based on price a significant...

I used the Mares Avanti Quattro for forever, I have some very old school rocket fins for dry diving. The only thing I definitely say is a must are getting fins with an open heel and a decent set of booties. to go with them. Being able to walk on gravel in full gear is priceless. Other...

Those are amazing. I've always thought the wooden ships of the great lakes would make amazing project and be a little more accessible than the Fitz. We use a type photogrammetry in the solar industry and it takes a lot of pictures to build the models. I have seen pictures of aircraft models...

You might look up Photogrammetry. You swim around a wreck site taking pictures. Using a computer to reproduce a 3D virtual model, you can print and paint the model as it sits. I have seen some pretty models out of these systems.

I went on a drift dive with my kiddo and they asked me to baby sit a big buff navy guy 20 years younger than me. We got in the water and started hauling ass. My youngun tried to keep him in site while I tried to keep kiddo in view. Sure enough he OOA within a half an hour. I sent him up to...

For $5k you could have a heated dry suit, that will be far warmer than a wetsuit. People that drop that kind of money on thermal protection are going to spend it on a good custom fit dry. A heated vest that keeps your torso warm might find a market for 2 or 300 with an external battery. The...

I bought a cheap desk lamp with an induction charger built into the base. I can toss my peregrine on to charge it or my I-phone. It’s a little slow on the phone because of the thickness of the case, so I normally just plug it in. I don’t think there will be a difference between the Peregrine...