Page 50: of Marine Technology Magazine (September 2021)

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Torqeedo, Inc.

www.torqeedo.com

Led by Steve Trkla, President, Torqeedo is a company for ef? cient collection of litter, debris and aquatic vegeta- 200-strong that supplies and integrates all-electric and hybrid tion on the water surface. The company this year deployed an propulsion systems for crewed and uncrewed survey boats, electric Versi-Cat multi-mission utility vessel on the pristine as well as ocean/harbor clean-up vessels and a wide range waters of Scotland’s famous Loch Lomond. of commercial utility craft worldwide. XOCEAN continues Torqeedo’s current Cruise product line incorporates out- to expand its ? eet of Torqeedo-powered uncrewed acoustic boards and pod drives from 2 to 10 kW, matched with Power survey vessels, as the company now has 13 electric USVs 3,500 Wh or 5000 Wh lithium-ion batteries. The company’s in operation with four more under construction. It aims to high-voltage Deep Blue series encompasses outboards and have a ? eet of 40 vessels by 2022. Sea Robotics worked with inboards from 25 to 100 kW, matched with BMW i3 lithium-

Torqeedo to develop a hybrid powertrain for its new class ion batteries. Deep Blue Hybrid systems include a complete of long-range uncrewed surface vessel for acoustic surveys. energy management system with generator backup as well

Liverpool-based Water Witch continues to expand its ? eet of as renewable energy sources such as solar or hydrogenera-

Torqeedo-powered vessel with the Versi-Cat skimmer boat tion for recharging underway.

SubSeaSail LLC www.subseasail.com

Based in San Diego, SubSeaSail LLC (SSS) is a SSS vessels are wind-propelled and solar pow- four-year-old with ? ve employees and a mission to ered. SSS has received a patent for a sailing vessel develop 100% energy harvesting, affordable, long- with the hull below the surface and the wingsail duration (1+ month) platforms and sensors. SSS is above. This reduces friction (drag) while produc- developing three lines of products supported by a ing little-to-no wake and a signi? cantly reduced growing patent portfolio: 1) monohull, semi-sub- acoustic, infrared, radar and visual signature. A mersible observation vessels; 2) multi-hull, surface second patent is for a Passive Mechanical Wing- cargo vessels; and 3) unique sensors suited for these sail Control Mechanism that sets the wingsail at vessels including rigid Passive Acoustic Monitor- the optimum angle with respect to the wind direc- ing (PAM) Arrays and a weather station. SSS has tion and the desired direction of travel without the received a Dept. of Energy Phase 1 SBIR to develop use of anemometer, electronics, pulleys or lines. a Gen7 submerging vessel for environmental moni- This feature signi? cantly reduces complexity and toring of offshore energy installations. cost while increasing reliability.

SubCtech offers quali? cations according

SubCtech GmbH to API17F, MIL-STD, DNV-GL, the trans- https://subctech.com port approval UN T38.3 and others.

Recent development of the Subsea UPS,

Based in Kiel, Germany with 35 employees,

Energy Storage System, which includes

SubCtech develops state-of-the-art maritime the parallel connection of subsea batteries technologies. Led by Stefan Marx, SubCtech even for high currents in kW range which acts as leading manufacturers in its business enables scalable solutions to be imple- units. First is ocean power; SubCtech is a mented at low cost. The German Federal manufacturer of subsea and UPS, ROV and

Aviation Of? ce LBA enables SubCtech

AUV (underwater drones) Li-Ion batteries. to carry out air freight even for single quantities including

SubCtech Li-Ion batteries guarantees high-reliability and a corresponding DOT import license for the U.S. In addi- high-safety for AUVs, ROVs or offshore subsea oil & gas tion to the special BMS with multiple protective functions, applications. The second is ocean monitoring. SubCtech safety is achieved through the use of small industrial round manufactures autonomous underway measurement systems cells of type 18650. This means that there is little energy for pCO2 and other parameters to measure sea water quality. per cell and per module. The modules are already inherently

From ultra-compact instruments to complete rack systems. safe and voltage-free for installation. 50 September/October 2021

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