[PSUBS-MAILIST] Blue Robotics Sonar

Wed Jan 30 22:17:46 EST 2019

 To me there are two primary areas that the sounder needs to operate for a psub.  The first is in surface transects.  It is nice to see the depth under the boat and particularly when you get near the dive site.  For this case the max depth is associated with the max depth capability of the Psub.  With a sounder, you can have a NOP that calls for never doing a surface transect over a bottom that is deeper than the design depth of the boat.  This assures that if the boat goes negative in an uncontrolled descent for any reason, the boat would hit bottom within the design parameters of the boat.   The second is when you are in the water column out of visual contact with the surface and the bottom and want to know how quickly the bottom is coming up on a decent.  Having a display of altitude is very comforting when diving under these conditions.  So to me knowing the depth during a surface transect is the more difficult measurement and would set the maximum depth requirement.  So something on the order of 200m would cover the vast majority of psubs.  
Cliff
    On Wednesday, January 30, 2019, 7:17:07 PM CST, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Just got a reply from Blue Robotics & have pasted it below.So what would we consider a reasonable range as a depth sounder?The 100ft for a collision avoidance sonar seems plenty.AlanHi Alan, 
Thank you for the email and your interest in our new Ping echosounder! We are planning to make a longer range echosounder in the future, but we don't yet have an official timeline. Is there a specific range you are looking for? The following specifications were important in our current design and had an impact on the maximum range:   
   - 5 V input voltage and low power consumption   

   - 30 deg. beam width for effective obstacle avoidance   

   - Small and light weight   

   - 115 kHz frequency to reduce interference from the typical 50 kHz and 200 kHz boat echosounders
Thanks again for your interest in our products and I look forward to hearing back from you. 
Best Regards,
Brian Hoover
Blue Robotics
brian at bluerobotics.com

On 31/01/2019, at 9:36 AM, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Hi Cliff,yes I saw that after I posted. It runs off 5.5V & draws 100milliamps so not veryhigh powered. As it's in development I will email them & see if they intend to increase the range!At least it has a depth rating, which is something I have had difficulty in findingwith boat depth sounders.As it is it could be good value for collision avoidance.Cheers Alan
On 31/01/2019, at 2:23 AM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

While this sounder has a depth rating of 300 m, it maximum altitude is only 30m so would not work well for Psub application.
Cliff

Sent from my iPad
On Jan 29, 2019, at 2:28 PM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Thanks for the tip.  Definitely going to look at this for altimeter purposes.  Once I find the specs I'll report back.
Jon

      From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
 To: personal_submersibles at psubs.org 
 Sent: Tuesday, January 29, 2019 3:24 PM
 Subject: [PSUBS-MAILIST] Blue Robotics Sonar

Copying & pasting this news letter from Blue Robotics (so links won't work)Also pasting a link to their site for the sonar! ( bottom of page)They are based in California & are developing some great stuff at economical prices. The sonar may appeal to people with a bit of electronics & computing knowledge.$279 for the transducer, 300m rated.
Cheers Alan.
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| Blue Robotics January 2019 Newsletter.
Introducing Ping and upcoming events! |

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Newsletter - January 29, 2019

Hi friends! Happy 2019! We hope everyone's year is off to a smooth start!

We have lotsss of new products in store for this cycle around the sun, including one that many have been eagerly anticipating. We also have some news on a few upcoming events and a video to share about curiosity in robots. |

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| The New Ping Sonar Altimeter and Echosounder |

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| The new Ping Sonar is a multipurpose single-beam echosounder. It can be used as an altimeter for ROVs and AUVs, for bathymetry work aboard a USV, as an obstacle avoidance sonar, and more. The Ping combines a compact form factor and 300 meter depth rating with an open source user interface and development libraries to create a powerful new tool for marine robotics! Read more... |

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| First Ever Open House! |

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| As many of you know, the Oceanology Americas show is taking place at the end of next month (25-27 February) down in San Diego, California. Since it's so close, we are taking the opportunity to host our first official Open House! Our location is about 120 miles or a two hour drive from San Diego. If you will be in town that week, we would be thrilled if you could join us!

Address: 2740 California St., Torrance, CA 90503
Date: 28 February 2019
Time: 12-4PM

We plan to have ROV demos, Crushinator demos, Water Linked demos, tours, food and drinks, order pickups, and lots of socializing! Please RVSP by 8 February! |

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| More New Products |

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BLUART USB to Serial and RS485 Adapter
The BLUART USB to Serial and RS485 Adapter is a tiny circuit board capable of interfacing with devices using serial UART or RS485 communications protocol and converting the signal into USB for connecting to a computer or Raspberry Pi. It works great with the Ping Sonar and we recommend it for getting started! |

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Micro-USB to USB-A Cables
These little cables are great for connecting small things to other small things inside small spaces. We're releasing a left angle cable (used on the BlueROV2) and a straight cable. |

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Updated BlueROV2 Components
The new Stainless Steel Ballast Weight is a drop in replacement for the original lead weight. We've also repackaged the Moisture Indicating Silica Gel so they come prepackaged in 6 individual bags. All new ROVs will come with these upgrades! |

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| What if robots became curious? ⁣ |

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| Researchers at Woods Hole Oceanographic Institution believe they can be! Their goal is to train robots (like the BlueROV2!) to be able to search and spot the strange and the beautiful, so the next time they see something unexpected, they follow it. Check out the full video. |

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| Upcoming Events |

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| Oceanology International Americas 2019This year we're exhibiting with our friends Water Linked in booth J31. Since it's so close, we'll have lots of our humans in attendance! |

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| Ocean BusinessWe're looking forward to our return to Southampton, UK this spring for Ocean Business 19. Come visit us at booth V13! |

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| If you don't already, follow us on social media! We post updates, news, and features much more often on social media and it's the best way to stay up-to-date all the time! Follow us here! |

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Our mailing address is:
Blue Robotics Inc.2740 California StTorrance, CA  90503
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 https://www.bluerobotics.com/store/sensors-sonars-cameras/sonar/ping-sonar-r2-rp/

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