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    PISTON Tank from ENGEL

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    profesorul
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    PISTON Tank from ENGEL

    Post  profesorul on Sun Nov 13, 2011 8:43 pm

    HI, to ALL.
    On The last steps with work on submarine 212A I did several tests on the desktop. Everything seemed to go well except DLX's absence, that even now after a month has not arrived from Germany !.
    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?.
    PLEASE some advice wheel be more then welcome.
    MARIUS.
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    david f
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    Re: PISTON Tank from ENGEL

    Post  david f on Mon Nov 14, 2011 5:10 pm

    Loose connection, something wrong with the limit switches?
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    salmon
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    Re: PISTON Tank from ENGEL

    Post  salmon on Mon Nov 14, 2011 7:38 pm

    The motor running the piston, are the capacitors on/or connected properly? Might be radio interference?
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    profesorul
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    Re: PISTON Tank from ENGEL

    Post  profesorul on Mon Nov 14, 2011 9:16 pm

    I have done in several ways:
    I tried to move the piston with the engine stopped and with he started ... did not work in any way .... it works perfectly on the table no matter if the engine is running or not ... mechanically is not blocked .... gears moving easily
    when the submarine is in the water and is pull out by hand the piston works!!!....and if I put them back it's stops with the same symptoms!!!.
    I don't know what else can I tray.
    THANK YOU
    MARIUS.

    Tom(ADMIN)
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    Re: PISTON Tank from ENGEL

    Post  Tom(ADMIN) on Mon Nov 14, 2011 9:23 pm

    I wonder if when you put everything back together there's the possibility of a wire getting trapped somewhere, maybe loosening enough to cut the power?
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    nigele(ADMIN)2
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    Re: PISTON Tank from ENGEL

    Post  nigele(ADMIN)2 on Mon Nov 14, 2011 10:13 pm

    Are you sure the limit switches are wired up the correct way round.
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    david f
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    Re: PISTON Tank from ENGEL

    Post  david f on Tue Nov 15, 2011 4:52 pm

    It is very odd that this is working on the bench but not in the sub. It is either caused by mechanical distortion (e.g a water connection being squashed or (as Richard says) some electrical fault caused by mechanical distortion or radio reception.

    Is this a proportionally controlled tank using a Hall effect sensor? If so is the sensor being distorted or subject to a magnetic field?

    Is it pulling a lot of amps? In which case the motor may be stalling (mechanical distortion again) and it is cutting out automatically.


    Tom(ADMIN)
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    Re: PISTON Tank from ENGEL

    Post  Tom(ADMIN) on Tue Nov 15, 2011 4:56 pm

    It seems very odd to me that everything works perfectly on the bench, but as soon as Marius puts it the boat a problem arises...my money is on a loose/trapped wire.
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    david f
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    Re: PISTON Tank from ENGEL

    Post  david f on Wed Nov 16, 2011 10:22 am

    Yes indeed.

    I have just been looking through the Engel manual (Thanks Clive!) and it can also have the pressure sensor and/or the low voltage sensor causing it to pump out. You would get alarm LEDs showing though.

    Perhaps profesorul, you could give a description of exactly which tank you are using with which additions (Proportional unit, pressure sensor etc ?)
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    profesorul
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    PISTON Tank from ENGEL

    Post  profesorul on Wed Nov 16, 2011 9:34 pm

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    profesorul
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    Re: PISTON Tank from ENGEL

    Post  profesorul on Wed Nov 16, 2011 9:39 pm

    ...and these is the electronics:http://i40.servimg.com/u/f40/16/90/12/89/800_5312.jpg
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    david f
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    Re: PISTON Tank from ENGEL

    Post  david f on Thu Nov 17, 2011 12:53 pm

    So if I have my reading glasses on , this is a Type EA which is just the basic tank with limit switches only.

    So it is fairly simples and all our basic advice applies (Check limit switches, current draw, trapped wires etc.)

    Also don't hesitate to send it back to Engel because it will still be under Warranty.

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