Rooting around in the fascinating stuff at the bottom of a draw labelled 'Engineering - Junk Miscellaneous'. Delving amongst the delightful...
A bit about Bluefin-21
Purely scraped from the website and edited a bit, here is the submarine in a nutshell:
Self-contained inertial navigation plus compass for <0.5% error
|Endurance||25hr at 3knots with standard payload|
|Energy||13.5kWh Li-po, pressure-tolerant|
|Propulsion||Steerable ducted thruster|
|Navigation||Inertial ≤ 0.1%|
|Antenna||GPS, RF, Iridium|
|Communications||RF, Iridium, acoustic.
Ethernet via cable out of water
|Self-protection||Independently powered fault and leak detection,
drop-weight increases standard 7.3kg buoyancy,
acoustic transponder, light strobe, RDF and Iridium.
|Software||GUI-based operator tools|
|Data||4Gbyte flash drive for vehicle data
+ payload storage
|Payload options||EdgeTech 2200-M 120/410kHz side scan sonar
EdgeTech 230/850kHz dynamically focused
EdgeTech DW-216 sub-bottom profiler
Reson 7125 400kHz multi-beam echosounder
Tags: Bluefin Robotocs, National Oceanographic Institute, UK National Oceanographic Centre