Subsea Robotics: Aquanauts, Hydronauts, Roll Out
by the hour, you do not want fewer hours. So, Schlumberger (who he’d worked with at NASA) sort of challenged me, what would you do about this? I said we need to create a hybrid vehicle. We need to be able to have an AUV turn into an ROV, because we actually don't need an umbilical. It was a flash in the pan idea, and so you know we garnered some investment.”Radford had also been working with Transocean on some drilling software and they were interested in the idea too; so they had their first investors. Since then, US government contracts, from the Navy, especially, have been a strong
Lander Lab #4: Underwater Releases
, and in-house customized solutions. They can be sorted into functional categories: Acoustic, Timer, Magnetic, Electrolytic, Galvanic, Fusible Link, Pressure, Melt and Dissolvable.Expendable electrical release elements can be a burnwire (aka corrosive link, galvanic link) and fusible link or “flash wire”.A release can be broken down into a handful of elements.There’s the trigger that starts the release function, such as a countdown timer, acoustic command, bottom contact, or event sensor.There is the load bearing release element. This could be a burnwire, a flash wire, a rotating
Geospace Technologies Launches Shallow Water Ocean Bottom Recorder
to fit up to 25% more nodes into a download/charge container," Geospace Technologies said.According to Geospace Technologies, Mariner has wireless connector-free charging and data download functionality. "Additional features of the Mariner include an internal heading sensor and solid-state flash memory up to 32 GB per channel. Mariner’s four-channel node uses all Geospace designed and manufactured sensor components, including three patented, high sensitivity GS-ONE geophones configured tri-axially along with an MP-18 BH hydrophone. The built-in full-resolution test generator offers
SMTP Helps to Power Future Ocean Tech
Mark Schrope.In order to offer experimental flexibility their devices span different geometries and sizes and can be fitted to any kind of fish capture equipment. Most of the devices that they produce also have a degree of programmability, in order to allow specifications such as emitted wavelength, flash-rate and intensity of light to be set by scientists. By producing tools that are simple, standardized, and flexible, Dan and his team hope to rapidly increase the understanding of how light can alter the species and size selectivity of different types of fishing bear.A New Kind of Ocean RobotTools
#Oi2020 History
mode can distinguish between a barrel and an automobile tire, while the low frequency mode allows the sonar to detect objects just beneath the surface of the ocean floor. The laser line scan sonar uses a laser to illuminate the target and "take a picture" in the same way that a camera uses a flash. Its narrow beam allows images to be acquired a distances three to four times that possible with conventional imaging systems. Cmdr. Whitten and 16 scientists and engineers from the Navy's Coastal Systems Station accompanying and operating the equipment when it arrives in Canada. The system
New Fluid Helps Preserve Subsea Equipment
to fully protect metallic components from corrosion. The fluid is more benign to nonmetallic materials than alternative fluids, which can attack nonmetallic seals and coatings in some instances.”The fluid is rated as a fire-resistant hydraulic fluid because of very low volatility with a high flash point and high fire point. It has negligible toxicity in the event of personnel exposure and is rated as a negligible hazard or minimally toxic for all personnel ratings.Defender Stasis LT is recyclable and can be reprocessed to its original specifications. For shipping or storage applications where
Seismic From Below
fundamental difference between Ocean Bottom Cable (OBC) and Ocean Bottom Node (OBN) is that the traditional sources of technical downtime in OBC – terminations, connectors, power distribution and data telemetry – have been eliminated in designing the node to be a battery powered 4-channel flash memory autonomous seismic data recording unit. The removal of the need for power distribution and data telemetry allows for complete freedom in the spacing between receivers and the improvement in reliability resulting from the removal of connectors and terminations, it also allows many more receiver
Fischer Connectors Launches MiniMax Series with AWG24
with optimal usability and performance. MiniMax is also a solution to wearable (handheld, body-worn) and mobile equipment challenges, and it provides more functionality in smaller devices, loweringthe total cost of ownership.”Enhanced storage and transportation of dataThe popular Fischer Rugged Flash Drive – an extremely tough memory stick specially designed for storage and transportation of sensitive data in harsh environments – also offers improved performance with the new MiniMax USB 3.0 connector interface as standard. With nine contacts in optimized positions, it delivers high-speed
Klein's Side Scan Sonar, Then and Now
I might work on. He introduced me to his world and partly to the ocean world, and I think I was hooked right from the beginning. What kind of projects was [Edgerton] working on at the time? MK: Edgerton was famous for the development of strobe light – he’s known as “Papa Flash” – but back in the late ’50s he was introduced to Jacques Cousteau by the National Geographic Society. Cousteau wanted to take pictures in the deepest part of the ocean. Edgerton wound up making him a deepwater camera and strobe light, and together they took the first pictures in
February 2024
