Posted: Sat Aug 04, 2012 2:50 pm Post subject: Electrolysis revisted circa 2012
This is pretty shameful,but I'll explain my latest dilemma despite the embarassment....
Just purchased a second hand 4.15m tinnie from Sydney(drove up from Melb) last weekend. Asked before I drove up whether there were any corrosive/electrolysis issues with the hull-answer was no problems.
Got up there sunday,and was distracted/heavily attracted by the extras on the tinnie,such as the remote bow mount,sounder combo,etc- this had all got my attention from down in Vic,and was priced very nicely and the hull I was after. I was pretty much sold on buying it. Gave it a spin out on the water etc,then gave it a rough look underneath for any issues. My own fault for not being thorough,and too trusting I guess.
Anyhow gave it a proper inspection this morning, and have come across 6-7 electrolysis pin holes,one had been patched up. A few were up under rollers on trailer so hard too see initially.
So now my question is,can I get on top of this problem? Been reading on here for past electrolysis problems, seem to be a few years ago a lot of threads. Be good to know of any updates to people with similar problems.
Not going to mess around with the wiring,will get someone who knows what they are doing to do it. The negatives are earthed to the hull...I'm thinking this may be the cause from the reading I've done?
So come 2012,can I get on top of this and get a problem free 5-10 years out of the tinnie,or am I faced with a cancerous future of having to patch it up every 6 months until it dissolves completly like an aspirin?
You are starting to see why it was "priced very nicely" ? Long way to drive to get dudded, the lesson may be, when buying aluminium, #1 job is check for corrosion.
Posted: Sat Aug 04, 2012 4:22 pm Post subject: Re:
Deepsix wrote:
You are starting to see why it was "priced very nicely" ? Long way to drive to get dudded, the lesson may be, when buying aluminium, #1 job is check for corrosion.
Posted: Sat Aug 04, 2012 4:35 pm Post subject: Re:
hookatex wrote:
Deepsix wrote:
You are starting to see why it was "priced very nicely" ? Long way to drive to get dudded, the lesson may be, when buying aluminium, #1 job is check for corrosion.
Nice, very helpful Deepsix.
So what chewing gum do you suggest to plug up the holes ?
No easy answer, if you have pin holes, i will try and explain, the metal surrounding them will be thin as, corrosion does not go straight through one spot on alloy, welding em up will be a short term fix,,,you can spend big $$'s trying to fix that hull, the only other way is patching and more $$$'s , then you have problems with flexing causing fractures, I bet my right knacker that whole hull is US, it's what you can't see is the problem, .
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