Series 2 De-rusting series safari roof vents

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Stretch

Well-Known Member
Posts
1,600
Location
Holland
G'day folks,

I thought I'd do a separate thread for this subject (de-rusting roof vents) even though I've been posting the progress in my build thread =>

https://www.landyzone.co.uk/land-rover/1965-series-2a-station-wagon-in-holland.298002/

The stuff I have been using for this job is essentially a phosphorous acid solution that is meant to eat the rust and leave everything else be it metal, rubber, plastic, glass ... blah blah blah... intact.

In the UK and the US of A a different brand name of similar stuff seems to be more popular => "Evaporust" - but here in Holland the only one to get is "Rustyco". (I have actually found Evaporust for sale here too but it is 'king expensive)

With the Rustyco stuff you can buy a concentrate that you then water down. The results so far have been for using one part Rustyco eight parts tap water.

Because progress is slow I've ordered another litre of Rustyco to see if that makes things crack along a bit. (I'll add that tomorrow)

I've played about with vinegar before - and ketchup - and coka-cola and oven cleaner (some of the interweb rust eating recommendations) and to date I'm pretty sure this Rustyco stuff is the best so far.

(I'm probably gonna give vinegar a go as a comparrission because this Rustyco stuff ain't cheap at 30 euros per litre)

####

Anyway I have four roof vents that need help.

There is a fair amount of surface rust

Before treatment all four sliding catches were rusted solid.

(After 24 hours 3 are now freely moving and the hinges work too)

####

Pictures =>

1965-series-2a-station-wagon-roof-vents-in-rustyco1-jpg.100615


1965-series-2a-station-wagon-roof-vents-in-rustyco2-jpg.100616
 
The place where I bought the Rustyco was saying to give the surfaces a scrub with a brush once in a while to help the process along. I was doing this in the bath of the solution.

Mistake!

I think this slows the progress as the solution carries on de-rusting the flakes of crap you remove. It is best that the solution concentrates on the surface you want to be rust free!

From now on I'm scrubbing and rinsing outside of the Rustyco solution bath.

I filtered the crud through an old duster =>

1965-series-2a-station-wagon-derusting-roof-vents1-jpg.100645


1965-series-2a-station-wagon-derusting-roof-vents3-jpg.100646


1965-series-2a-station-wagon-derusting-roof-vents2-jpg.100647


The last bit of the solution was put through a coffee filter but this would be way too slow a way to filter 9 litres of fluid.

1965-series-2a-station-wagon-derusting-roof-vents4-jpg.100648
 
Progress after 24 hours =>

1965-series-2a-station-wagon-derusting-roof-vents-after-one-night1-jpg.100649


1965-series-2a-station-wagon-derusting-roof-vents-after-one-night2-jpg.100650


1965-series-2a-station-wagon-derusting-roof-vents-after-one-night3-jpg.100651


1965-series-2a-station-wagon-derusting-roof-vents-after-one-night5-jpg.100652


Soda blasting is way quicker!

But now (as said before) the small sliding parts that can't be blasted are now working - so horses for courses...
 
Day Three

001_$1.JPG


48 hours later =>

I'm getting problems with silt. It seems to sit on top of the parts and slow down the progress


1965 series 2a station wagon derusting safari roof vents 48 hours1.JPG


Still rust is going away

1965 series 2a station wagon derusting safari roof vents 48 hours2.JPG
1965 series 2a station wagon derusting safari roof vents 48 hours3.JPG
1965 series 2a station wagon derusting safari roof vents 48 hours4.JPG
1965 series 2a station wagon derusting safari roof vents 48 hours5.JPG
1965 series 2a station wagon derusting safari roof vents 48 hours6.JPG
 
apparently soaking things in molasses solution removes rust completely, there is a thread on it somewhere

I'm trying it at the moment - all the bolts and swivel pins from an axle. It's all been in for about a fortnight, neat molasses, no agitation. The one or two bits I've pulled out look encouraging, but there was still that black stain left in one or two places. I have a few other jobs to do but I'll probably empty it this week and decide whether to continue it.
 
apparently soaking things in molasses solution removes rust completely, there is a thread on it somewhere

I'm trying it at the moment - all the bolts and swivel pins from an axle. It's all been in for about a fortnight, neat molasses, no agitation. The one or two bits I've pulled out look encouraging, but there was still that black stain left in one or two places. I have a few other jobs to do but I'll probably empty it this week and decide whether to continue it.

be interested to see how you find it, hope to try it on something myself

I'm also interested in any other methods of rust removal - but two weeks! Holy sheet I've been thinking two days is tedious...
 
IMG_20160424_103124_zpsdauki28h.jpg


overnight in the electolysis tank -

IMG_20160427_152703_zpslvohq9im.jpg




couple of hours is good for small parts.

id read about it years ago, but never tried it till recently. i cant believe the time i spent doing things like boiling in acid previously!

it really is the best diy method ive ever found
 
IMG_20160424_103124_zpsdauki28h.jpg


overnight in the electolysis tank -

IMG_20160427_152703_zpslvohq9im.jpg




couple of hours is good for small parts.

id read about it years ago, but never tried it till recently. i cant believe the time i spent doing things like boiling in acid previously!

it really is the best diy method ive ever found
Got a link / pictures / explanation of your set up?
 
Right 36 hours later this is how far I've got with 1/8th concentration Rustyco =>

1965 series 2a station wagon derusting safari roof vents 36 hours1.JPG


The top sides (not seen when fitted) are still the worst sides. In the picture above the worst of the four is shown below.

A quick whizz with a wire brush will sort it out.

1965 series 2a station wagon derusting safari roof vents 36 hours2.JPG


The undersides - the sides with the catches are best.

One catch is still stuck.

I'm going to drill out the catch rivets next so I can dismantle the assemblies.
1965 series 2a station wagon derusting safari roof vents 36 hours3.JPG
 
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