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"What happened with this expedition?" A number of people have asked me that recently. Quick answer: we missed the weather window last year. But we're still going! The goal now is to take one of the new OpenROV Tridents later this fall. It will be more robust and better able to deal with the conditions. Also, much easier to hike with.
Update (most of what i am doing i post on my wordpress..<a>https://jonnyteague.wordpress.com)</a> Tether Testing 300m of standard tether attached to the ROV with no modifications works very well, this will be tested in the marine environment as well. I have just upped the anti with RS Pro 1 Pair Data Cable 500m this also worked, which is surprising as i read that the home plug range was around 400m. I am also looking to develop a kind of plug and play mechanism for attaching tethers to the ROV’s and together to make various lengths. Pressure Testing Feed Throughs The pressure RIG and the feed through was tested up from 0 bar to 100 bar, the cable and feed through were undamaged and did not let water pass. This means that for a deep application this type of cable arrangement could be utilised on the camera RIG and possibly future ROV work. Batteries The new liFepo4 batteries i ordered where not quite compatible to the OpenROV system as they didn’t have enough of a lip on them to stack. This was fixed using brass washers, i first fixed them on with sliver paint but this was not strong enough as they broke off when testing in lulworth. They have been soldered on now to make a strong conductive joint. I now have 4 complete sets of batteries for use in the ROV's. The deep ROV (300m max) runs on lipo 3s batteries. Ariel Drone The drone was in a bad state so it required all new electronics such as ESC's and the flight controller. The drone is now completely working with telemetry which provides data on board the drone can be used to gain all sorts of additional information such as voltage usage, compass heading, motor thrust, but most usefully it can be used to map its GPS and height to produce flight paths. Below a video of it in action.<a href="http://bit.ly/2c6rL9M" data-longurl="https%3A%2F%2Ftwitter.com%2Fjonny_teague%2Fstatus%2F765587540002897920">twitter.com/jonny_teague/status/765587540002897920</a>
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