Trident vertical dive and ascent?


#1

Hello,

I will be diving my Trident off a boat in approx 60m of water.
What is the best way descend and ascend vertically (or as close to this as possible)?

I have tried tilting down as far as it can go and giving it some throttle, which causes it to spiral down? Is this supposed to happen, or am I accidentally turning to one side or the other? This twists the tether, and leaves me very disorientated! :upside_down_face:

Any advice / experiences from those who dive in deeper water would be appreciated.

Thank you


#2

Same trouble, make note of your compass heading before you dive. Dicing straight down is difficult. Last time I tried the clump weight I found it easiest to slowly let the clump weight drag the Trident to depth, when I felt the clump weight hit bottom, I would reel it back in 10’ so the weight isn’t dragging on the bottom. This was for a 70m dive. Then drive the Trident from there, worked pretty well.


#3

I don’t know if you’ve seen Eric’s post about what they’re working on to dive vertical :

If it tends to spiral on a vertical dive, what thruster inputs could you use to prevent spiraling?


#4

I’ve tilted mine pointing downward and was able to do a dive down quickly with no issue of spiraling. What are you is using for the controller? I’m using the JXD controller.


#5

I’ve got an upcoming dive in silty water going down about 180’ too and I’ve been wondering how to handle getting to depth. Right now I think I’m going to try lowering the Trident on a downrigger with a trolling clip so that I can (perhaps) disconnect at depth. I’m going to try leaving some tether at the end so that I can explore a bit in a controlled radius. If anyone has experience I’m all ears!

On the disorientation aspect, I think it would be really good if OpenROV could implement a way to synchronize the Trident ‘heading’ do the display in a future update. Being able to push a button to make the bow of the mothership or another landmark/rangemark ‘heads up’ would help a lot. I’d love to be able to make my display, Trident, and vessel all agree on a heading. My brain has trouble when the trident is heading one way, the display is at another angle, and the mothership is heading another. I rotate myself to match the Trident but it still gets awkward.


#6

I’m using a tablet, but have a JXD on the way.
Good to know it can dive straight downward, just need to practice my piloting skills!