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Model RC surfer

Home › Forums › All things floating › Model RC surfer

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  • 8 January 2010 at 11:27 #24910
    Southern Sailor
    Participant
      @southernsailor76583
      Good day all,
       
      A friend has a model surfer which worked very well in the surf. He was running it in his swimming pool one day when, with no warning and for no apparent reason, the deck blew off, over the fence, over the trees (3 m high)  and into his neighbour’s yard,
       
      On inspectioon all the parts looked undamaged, including the battery.  The securing screws for the deck had been ripped out of their holes.
       
      Can anyone offer a suggestion as to the possible cause of the explosion?  He has a salt chlorinator.
       
      Thanks
      Brian
      8 January 2010 at 11:27 #3483
      Southern Sailor
      Participant
        @southernsailor76583

        explosion!

        8 January 2010 at 18:41 #24919
        ashley needham
        Participant
          @ashleyneedham69188
          Brian, what sort of batteries did the surfer have, man    ?  An explosion that leaves all parts undamaged can surely only have been caused by Gas from the battery…or did the surfer have some STASH on him?  dude
           
          Ashley
           
          10 January 2010 at 10:07 #24949
          Southern Sailor
          Participant
            @southernsailor76583
            That’s what I have in mind.  As far as I know the batteries were/are NiCds. Of course they may have been LiPOs.  I understand these are quite violent under certain circumstances.
             
            No STASH as far as I know.  Not the violent type!
             
            Brian
            10 January 2010 at 11:43 #24959
            ashley needham
            Participant
              @ashleyneedham69188
              I have heard of submarines blowing up (model ones) due to a build up  of hydrogen in the sealed hull from gel batteries and sparks from the motor, but I wouldn’t have thought that this would apply to Nicads, NiMh or even LiPo`s….
               
              Whereas LiPo`s do seem toexplode now and then, you say the batteries appeared to be undamaged…. a mystery.
               
              How about….glue fumes, released when the motor got warm/hot ??
               
              Ashley
              13 January 2010 at 11:13 #25022
              Southern Sailor
              Participant
                @southernsailor76583
                The mystery continues.  He is going to go back and take a more careful look at the components.  Will let you know what he finds.  This hull in of course also sealed, although the degree of water-tightnes is not as high as a sub.. 
                Brian 
                2 April 2010 at 16:01 #26241
                Southern Sailor
                Participant
                  @southernsailor76583
                  It seems that the deck holding down screws pulled out.  There is also no sign of any combustion.  So it must have been a build up of pressure inside, somehow, that ripped the screws out.
                  Brian
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