Welcome to Divers Night - Open Invitation

eco dive club   Welcome to our monthly "Divers Night" schedule!  Our monthly dive party is always scheduled on every first Tuesday of every month at 7:00 PM. You're invited and so are all your dive buddies. It's LA's "open-to-everyone" with no cover, no membership, no charges of any kind... just show up. 

  dive club laWe're proud to invite a few good special guests each month to teach and entertain the group. Guest speakers range from environmental experts like Sea Shepherd, technical diving speakers from TDI, marine biology professors, dive doctors, marine specialists form Heal the Bay and more. Meetings also feature updates on upcoming Catalina dive trips, eco-events like underwater clean ups and eco-adventure trips to keep us all up-to-date on what's happening underwater! And every few weeks Eco Dive Center offers free specialty certifications so that you can be the safest, most environmentally aware and friendly and best diver possible.... in the world!!! :) 

Sponsored by and located at Eco Dive Center in Culver City... 

October 2nd at 7 PM FOUR SPECIAL GUESTS and Sponsored Raffle - (see description)
FOUR SPECIAL GUESTS and Sponsored Raffle
© EcoDiveCenter.com

It's the infamous monthly dive party and YOU'RE INVITED!
First we'll start the night off with Free Pizza & Raffle ticket sales.
Then we have a huge line-up of special guests.
7:00 pm Bluewater Photo & Travel on "Diving in Mexico" by Tim Yeo
7:10pm The NEW ScubaLove Show by Autumn Kendrick
7:20pm Presentation on NEW GEAR  Scubapro & SeaLife Underwater Cameras by the famous Kristine Orvell
8:00pm Emery Nolasco Researcher with Monterey Bay AquariumResearch Institute - Emery Nolasco is an AUV Operations Engineer at the Monterey Bay Aquarium Research Institute.

Big nite with amazing speakers. So please show up early, grab some food and take care of your raffle tickets early. 

Prizes from TUSATilos Live Hard Dive Hard. TILOS, SCUBAPRO, and OMS - Ocean Management Systems Atomic Aquatics Zeagle Systems, INC GoPro

Pizza Menu: 
Cheese, Meat Lovers, Veggie Pie

Drinks: BYOB

Street parking with new credit card meters, should be easier. 

Afterparty: Cozy Inn

Party Gear Special: 20% OFF all night diving and lobster gear Eco Dive Center or DiveCenter.com

Upcoming Event: Underwater Pumpkin Carving Food Drive for Los Angeles Regional Food Bank

Club Host: President Krysten HallJason Karten & Alex Weichers at West L.A. Dive Club

Main Speaker: 
In 2007, MBARI engineers began developing a new class of autonomous underwater vehicles (AUVs) to support chemical and biological sensing missions covering ranges of 1,000 kilometers or more. The size and power consumption of desired chemical and biological sensors precluded the use of existing long-range gliders, and the endurance requirement precluded the use of more traditional propeller-driven AUVs. The concept for the vehicle was a highly energy-efficient propeller-driven AUV capable of operating at speeds between 0.5 and 1.0 meters per second. The vehicle, named Tethys, conducted its first brief autonomous mission in December 2009, just offshore of Moss Landing.

Ben Yair Raanan, Brian Kieft, and Brett Hobson prior to the deployment of three long-range autonomous underwater vehicles from the R/V Paragon in Monterey Bay. Photo by Todd Walsh.
Ben Yair Raanan, Brian Kieft, and Brett Hobson prior to the deployment of three long-range autonomous underwater vehicles from the R/V Paragon in Monterey Bay. Photo by Todd Walsh.

The range and endurance of the long-range AUV (LRAUV) greatly expands the types of observations and experiments possible with autonomous platforms. For instance, one of the institute’s AUVs carries a comprehensive suite of sensors out to MBARI’s M2 mooring and back. Tethys will carry a smaller, but still impressive suite of sensors 10 times farther, extending the reach of MBARI’s shore-launched AUVs into the California Current system. This expands researchers’ non-ship observational capability beyond the upwelling shadow, well into the oligotrophic (nutrient-poor) ocean. This capability also provides a foundation for studying phytoplankton blooms from boom to bust, by providing a mobile platform that can survey a bloom continuously through the two week- to month-long lifetime of a bloom.

The LRAUV is designed to address the need for improved biological process experiments by providing a platform capable of sampling at the appropriate time and space scales with both in situ sensors and water samplers. The endurance of the vehicle and its variety of operating modes provide it with the endurance to wait in a low-power configuration for biological events to occur, and the flexibility to respond to detected events to characterize processes from initiation to collapse of a bloom. Thus the LRAUV, combined with new sensors and samplers will enable a new generation of biological process experiments.

The LRAUV is, to the best of our understanding, exceeding the original proposal targets. Most notably, researchers estimated a range of 1,000 kilometers at 0.75 meters per second, and now project an ultimate range of more than 2,000 kilometers at one meter per second with primary batteries.

The Tethys

In contrast to existing AUVs or gliders, Tethys is optimized around a “high-power” payload power consumption of about eight watts. Power management is integral to the vehicle, and the ability to operate sensors intermittently or not at all to reduce power consumption is key to achieving large ranges and endurance.

Thus high-power sensors which consume tens of watts can be operated without sacrifice of endurance provided that they are operated intermittently. Core electronics for the vehicle have been customized to minimize power consumption, and even the microprocessor selected can be “throttled down” to low clock speeds to minimize power consumption when feasible (at low speed or during drifting). Further, extensive efforts have gone in to minimizing the propulsion power. Strategies include reduced drag through the development of a low-drag afterbody, minimizing appendages, and the development of control strategies that minimize induced drag. A custom propeller design and a gearless propulsion motor optimized for efficient low-speed operations complete the low propulsion power efforts. Operationally, the Tethys is intended to be used much like a glider, using a satellite link to communicate with shore (perhaps a few times a day might be typical).

Main Speakers Bio: Emery Nolasco is an AUV Operations Engineer at the Monterey Bay Aquarium Research Institute. The Monterey Bay Aquarium Research Institute (MBARI) is a nonprofit research institution where scientists and engineers work together to explore and study the sea. MBARI scientists study deep-sea animals, ocean chemistry and seafloor geology. They study ocean currents and their effects on microscopic marine life, fisheries and global climate. MBARI engineers design undersea robots and high-tech instruments that give researchers new ways of looking at the ocean.



West LA Dive Club is Sponsored by Eco Dive Center
4027 Sepulveda Blvd. Culver City, CA. 90230 310-398-5759 Show up early to win a good seat.

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