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Old 05 May 2008, 11:47   #11
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Can't see anything wrong with pic 1

Rusty bolt heads in pic 2....You have to remember that these have to be done up and this could have caused the damage that allowed the rust in. You could replace these if you wanted.

Can't see anything wrong with pic 3

A bit of discolouration in pic 4 on the frame by the roller.

My Admiral has little bits and pieces that have discoloured, nothing serious these areas could have been damaged during assembly and almost certainly were't present during collection.

I would try to phone Aurther again, both Aurther and his Son spoke to me last week no problem and I went up there on Saturday and paid a deposit for my new trailer.

I'd still like to see a pic of the crossmember if that's possible Peter.

PS: Isn't WD40 water based these days?
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Old 05 May 2008, 11:57   #12
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PS: Isn't WD40 water based these days?
Yeah, it'll leave pretty patterns when launching though.

If the things corroding, a good rinse after recovering is as good as anything.
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Old 05 May 2008, 12:20   #13
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I think maybe you should expect more. My trailer, made by Ellebi in Italy is 12 years old and has no rust. I know it has been used in salt water. The box sections have PVC caps on the ends and drain holes. All the nuts and bolts are galv. not electroplated. The general build quality is very good as eveidenced by the very neat welds etc. However, I do beleive it has seen light duty to be in this condition. Quality of galv. is a big variable I believe.
I am sure that rinsing down with fresh water also helps alot.
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Old 05 May 2008, 12:39   #14
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Galvanising works by sacrificing itself. That corrosion is perfectly in order. The rusty nuts are normal too because they will only be lightly plated rather than galvanised. If it bothers you, swap them for stainless ones. Fitting washers might be good too. It's probably not a good idea to put protective compounds onto a galvanised trailer. The bits which are less well covered will be forced to sacrifice themselves a little more to compensate for the areas of covered zinc.

Perhaps it wasn't adjusted as well as you thought.
As JW says the lightly zinc coated nuts and bolts will sacrifice themselves its all about noblity of steels,
We make subsea structures,
For corrosion you need an anode a cathode and a electrolyte to have a corrosion circuit.
Have a read on NACE or Icorr this will explain in depth about corrosion and how it happens.


gaZ
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Old 05 May 2008, 13:47   #15
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Hightower heres the bar and as far as I,m concerned photo 3 and 4 are great I,m realey happy with the condition its 1 and two that I,m Not
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Old 05 May 2008, 13:47   #16
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As JW says the lightly zinc coated nuts and bolts will sacrifice themselves its all about noblity of steels,
We make subsea structures,
For corrosion you need an anode a cathode and a electrolyte to have a corrosion circuit.
Have a read on NACE or Icorr this will explain in depth about corrosion and how it happens.


gaZ
Yeah, but we're talking trailers here. How long does a trailer spend submerged for all of these corrosive circuits to circulate? Surely it's more a case poorly treated steel getting a dunkin' in the briney and then being exposed to the air.
It's not some sub-sea structure.
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Old 05 May 2008, 13:52   #17
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Sorry hears the photo the bar with the hole for drainage in
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Old 05 May 2008, 14:30   #18
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Old 05 May 2008, 14:37   #19
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Yeah, but we're talking trailers here. How long does a trailer spend submerged for all of these corrosive circuits to circulate? Surely it's more a case poorly treated steel getting a dunkin' in the briney and then being exposed to the air.
It's not some sub-sea structure.
If you read up you will soon realise that moisture and oxygen only accelerate the corrosion process,
Zinc coated nuts and bolts have around 20 - 40 microns of zinc on which is minimal.
Oh and by the way Mollers I am actually qualifed Icorr 1,2 and 3 and Nace 1,2 and 3
so i do know a little on this subject.
Always remember corrosion is corrosion, with ferrous steel the iron within it is always trying to revert back to its natural state.


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Old 05 May 2008, 14:38   #20
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Yeah, it'll leave pretty patterns when launching though.

If the things corroding, a good rinse after recovering is as good as anything.
Thanks Mollers but it hasnt been in the water yet and from new in their own car park i saturated it in WD40 which is oil based and yes it may leave pretty patterns but i knew it would be at least 6-8 months till it was going in the water and having an old smelly smoking pac 22 do i realley care
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