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* THE FORUM FOR ALL THOSE INTERESTED IN BUILDING AND OPERATING MODEL SUBMARINES *



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Papplewick Pumping Station SUBMARINE Day. 31st March - 1st April 2024.

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» Newbie needs advice!
brushed motors EmptyFri Apr 26, 2024 1:58 pm by david f

» Modulated electric fields for submarine communication in a "heads up" from Harry!
brushed motors EmptySun Apr 21, 2024 6:09 am by geofrancis

» 868/915 Mhz as a viable frequency for submarines.
brushed motors EmptyWed Apr 10, 2024 5:48 am by tsenecal

» Laser cut Robbe U47 conversion
brushed motors EmptyTue Apr 09, 2024 3:40 pm by david f

» ExpressLRS - 868/915 Mhz equipment
brushed motors EmptyTue Apr 02, 2024 3:27 pm by tsenecal

» Information on camouflage patterns for German seahund
brushed motors EmptyFri Mar 15, 2024 4:36 pm by david f

» WW2 mini sub build
brushed motors EmptyTue Mar 12, 2024 1:56 pm by geofrancis

» Not the hobby I expected :)
brushed motors EmptySun Mar 10, 2024 6:30 pm by cat

» Sheerline gasket material
brushed motors EmptyMon Feb 19, 2024 9:24 pm by Michaelc

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2 posters

    brushed motors

    chesh111
    avatar
    chesh111


    Posts : 1
    Join date : 2018-10-21
    • Post n°1

    brushed motors Empty brushed motors

    Post  chesh111 Mon Oct 22, 2018 10:30 am

    Hi I am a new member with limited experience, is it possible that brushed motors will work when underwater. They are Johnson cordless drill motors.
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    merriman
    merriman
    merriman
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    Posts : 347
    Join date : 2011-10-16
    Age : 75
    Location : Virginia Beach, Virginia
    • Post n°2

    brushed motors Empty Re: brushed motors

    Post  merriman Mon Oct 22, 2018 11:47 am

    chesh111 wrote:Hi I am a new member with limited experience, is it possible that brushed motors will work when underwater. They are Johnson cordless drill motors.

    Sure, if you run it in fresh water. Blow it dry when doing your post-run maintenance. Grind open the motor case around the commutator to facilitate flooding/draining and post-run maintenance.

    Be prepared to replace the motor every season.

    David
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