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Seeking alternatives to MacArtney for wet-mate connectors

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  • Seeking alternatives to MacArtney for wet-mate connectors

    Hey, everyone, member from The Ohio State University's robosub team.

    I've currently been experiencing communication issues with MacArtney and long lead times for wet-mate connectors, so my team is interested in other distributors or suppliers. What have other teams been using for 8-contact or ethernet connections?

    Any assistance on this matter would be extremely appreciated.

  • #2
    Even if you decide to go with a different manufacturer, underwater cables and connectors almost always have a long lead time. That being said, please see a few other alternatives below (sorry, they are not hyperlinked).

    https://www.fischerconnectors.com/us/en/applications/marine-underwater

    http://www.marchelectronics.com/pdf/Burton-Subsea.pdf

    http://seaconworldwide.com/products/...ical-wet-mate/


    If the above links are helpful, please report back accordingly so others may benefit from this. Happy searching.

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    • #3
      I can suggest you contact Ocean Innovations Tel 858 454 4044 they are MacArtney distributor and can offer suggestions for alternatives.

      The connector world is currently long lead times and frustrating !

      Good Luck

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      • #4
        Our team's experience with the best bang for your buck is:
        (starting in the sub) Ethernet 8 wire -> Fathom-X -> 2 wire -> detachable LPC -> splice to Fathom slim tether -> (on surface) Fathom-X -> Ethernet 8 wire -> router

        Here's why this configuration is great:
        - the fathom is meant for underwater comms, (I'm a software engineer) I think it has something to do with counteracting capacitances in the water. All I know is when we were running ethernet through the water 2 years ago, it was not uncommon for us to experience dropouts and significant lags. When using the fathoms this almost never happens
        - the neutrally bouyant slim tether means that you won't need floaties attached to your ethernet tether and/or you'll do less tether management because your tether isn't sinking to the bottom of the pool
        - cost of this setup, assuming 75m of tether, is around $400 and you'll probably have <2 weeks of lead time

        Here's the links to the parts if you're interested
        Fathom X: https://bluerobotics.com/store/comm-...e/fathom-x-r1/
        Fathom Slim Tether: https://bluerobotics.com/store/cable...uf-1utp-26awg/
        Detachable LPC: https://www.bluetrailengineering.com...page/lpc-cable

        BlueTrail is a company that just started up near us in Boulder CO and my perspective is between them and Bluerobotics you can get the bulk of everything you need for AUV's
        Last edited by Boulder RoboSub; 10-17-2019, 07:55 AM.

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