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



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*2021 AND SOME EVENTS ARE BEING PROPOSED. Keep them coming and let us know the details!

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(CANCELLED in 2020) Submarine, Boating & Sailing Weekend, Norwich MBC, Weekend of 25,26th July

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Bournville Sub Day. Sept 2021 is looking likely. More details TBA.

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Barrow in Furness Regatta and Sub day. Maybe in Sept 2021. Details TBA.

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Robbe 212 class build photos. EmptyYesterday at 6:28 pm by Len Morris

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Robbe 212 class build photos. EmptyTue Apr 20, 2021 8:43 am by Deep Diver (Fred)

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The newest registered user is armchairsubguy

    Robbe 212 class build photos.

    wadsworthj
    wadsworthj
    wadsworthj
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    • Post n°1

    Robbe 212 class build photos. Empty Robbe 212 class build photos.

    Post  wadsworthj Wed Jan 30, 2013 8:14 pm

    Gere hopefully, are the latest build piccys, lots more to do yet.
    and unfortunately, my bath is not big enough to test it.
    Hey Ho!!
    Cheers John . W
    P.S. Marius if you tell me what the problems you are having, I will tyry nd help..[img]http://i14.se[url=https://servimg.com/view/17359276/115]Robbe 212 class build photos. 2213rvimg.com/u/f1Robbe 212 class build photos. 23104/17/35/9Robbe 212 class build photos. 26102/76/2013.jpg[/img][/url]
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    profesorul
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    • Post n°2

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  profesorul Wed Jan 30, 2013 8:39 pm

    HI,
    I qoute from an old posting:
    "After assembly I started testing on water(in tub). Waterline is good without requiring for adjustments.
    But obviously there is a BUT: I do not know what happens to the ballast tank, does not went to take the water!. Just go 2sec,and it stops for 1sec and so on,even if I hold still, stick in a position to fill!. It sounds as if someone / something is blocking and let him go as he please. And after 2-3 times moving stand still and do nothing.And do nothing even I tray to withdraw,when I try to empty it.Do not hear NO noise, nothing.I opened hull 2-3 times to see if the engine is block from something but it was not so.I do not know what to do.Out of the water and put on the table works!.
    I do not think it's the battery on since the table it goes perfectly, the engine that is powered also from there and is working flawless and regulator also.
    What do you think .... WHAT COULD BE?."
    These is what is happenig even know after 2 years!!!.
    MARIUS
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    wadsworthj
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    • Post n°3

    Robbe 212 class build photos. Empty 212 class sub

    Post  wadsworthj Thu Jan 31, 2013 6:06 am

    Hi Marius.
    From what I understand of the system you have.
    the tank is of the piston type, it sounds to me that it could be an
    electrical fault, either a loose wire, connecting now and then,
    I have the same fault with a new switch, on my build, and it is now glued in so as to be water proof, but it is only for the nav lights and will do.
    The other thing it may be, is what is known as a dry joint , caused by poor soldering, televisions also suffer from this problem, and happens in the factory.
    get someone good at electrics to check it over.
    I am no wizard at electrics, but this advice is based on, my own experience.
    Hope it helps.
    Cheers John.
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    profesorul
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    • Post n°4

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  profesorul Thu Jan 31, 2013 10:26 am

    Thanks a lot.I wheel look for it.

    MARIUS
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    david f
    david f
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    • Post n°5

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  david f Thu Jan 31, 2013 5:20 pm

    Hi Marius,

    Does you piston tank work when removed and put on the bench?

    David
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    profesorul
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    • Post n°6

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  profesorul Thu Jan 31, 2013 6:16 pm

    YESSS ALL THE TIME!!!. and belive me I was tried SO MANY TIMES!.
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    david f
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    • Post n°7

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  david f Fri Feb 01, 2013 1:57 pm

    Yes - sorry I did not see that you had said that it worked on the bench, in the original message.

    I think it must be something faulty with the electronics then.

    Presumably you have measured the voltage on the motor (Just to make sure that it is nothing mechanical.)

    Send the elctronic unit back.

    David
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    profesorul
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    • Post n°8

    Robbe 212 class build photos. Empty Re: Robbe 212 class build photos.

    Post  profesorul Fri Feb 01, 2013 3:02 pm

    It's TOOO LATE know.Is been more than 2 years sense!.
    Ho's gonna believe me I didn't broke it?!.

    First I checked if if is something wrong with the mechanical part.

    MARIUS
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