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» IJN Type KD3 fleet submarine or similar
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» Sheerline type 7c submarine. FOR SALE.
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» Prop shaft seals
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» Resurgam, Nordenfelts II & IV - George Garrett's works.
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» last weekends fun-run at Groton
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» fun-run at Groton Submarine base
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» Bournville MBC Dive-In May 2017
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    Pumps (geared variety)

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    david f
    AMS Treasurer

    Posts : 1874
    Join date : 2010-11-10
    Age : 66
    Location : Cumbria

    Re: Pumps (geared variety)

    Post  david f on Mon Oct 31, 2011 5:26 pm

    Well a very rapid response from the UK suppliers and they've passed the comments on. (Thank you!)
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    david f
    AMS Treasurer

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    Re: Pumps (geared variety)

    Post  david f on Sat Feb 04, 2012 12:23 pm

    Just had word from Nigel that he may have a simple fix for the red pump problem.

    More soon.
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Mon Feb 27, 2012 8:53 am

    The red pump(in ORP Dzik) had an other outing at the Barrow pond yesterday.Still working fine and it has been in use since October last year - so endurance is not TOO bad.
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Tue Mar 27, 2012 1:28 pm

    Same pump still working (used on Sunday.)

    David
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Wed May 30, 2012 8:29 am

    Still working (Last Sunday.)

    David
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Wed Sep 12, 2012 12:10 pm

    Well red pump is still working at the end of the season and one year of regular use. So perhaps these pumps are not that bad after all.

    David

    Tom(ADMIN)
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    Re: Pumps (geared variety)

    Post  Tom(ADMIN) on Wed Sep 12, 2012 12:21 pm

    Well, that's a pretty good recommendation David...do you use 12v or 6v to run the pump?
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Thu Sep 13, 2012 9:06 am

    12 v always. (Or actually 11 point something from 3 Lipos)

    David
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    david f
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    Re: Pumps (geared variety)

    Post  david f on Mon Feb 25, 2013 8:54 am

    Probably best to end this long term test now - since I have moved on to Piston tanks.

    In summary, the red plastic pump made in China pump seems to be OK. It is very good value for money and fails safe. (i.e your sub will not dive if it fails.)

    David

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