Photogrammetry Technical Details & Equipment

Photogrammetry Technical Details & Equipment

Background I started hearing about photogrammetry for documenting and visualizing wrecks about 2-3 years ago and had a passing interest. Since then, I've spent more time working on my photography skills (and equipment). I had watched a couple Wetpixel videos on photogrammetry recently and decided that, with Covid, I should learn more about it. I've [...]

Photogrammetry – Part 3 (UB88 Project Dive 1/2)

Photogrammetry – Part 3 (UB88 Project Dive 1/2)

Intro / Background After diving the UB88 wreck a number of times and also starting to delve into photogrammetry, I decided to combine both of these into a rather large project: Build a realistic 3D Photogrammetry model of the entire UB88 wreck. This project represents a number of challenges -- starting with the fact that [...]

rEvo ADV Shutoff

rEvo ADV Shutoff

Background Many rEvo divers I know have a love/hate relationship with the Automatic Diluent Valve (ADV). It is nice to have especially when you are trying to do a quick descent and might be task loaded. However, it always seems to fire at the most inopportune time and then adds diluent to your loop when [...]

Building Better rEvo “Travel” Tank Fixation Brackets

Building Better rEvo “Travel” Tank Fixation Brackets

Background There are essentially two "mainstream" options for attaching tanks to a rEvo rebreather: Traditional These are the traditional brackets that are "semi-permanent." You can obviously unscrew the brackets and remove the tanks, but it isn't quick (or easy) to do that and then get them re-installed, aligned correctly, etc. By the way, if you [...]