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Rust Proofing Heresy.


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#16 morley

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Posted 15 September 2016 - 12:18 PM

I'm blaming autocorrect :-)

#17 dyshipfakta

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Posted 15 September 2016 - 12:40 PM

The fourth bridge would have been built many thousands of years ago, before paint was invented, and would have been stone. I assume you mean the Forth bridge.

touché

Surely would have been the fifth bridge not forth?

#18 NuFab

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Posted 16 September 2016 - 05:59 PM

I'm using POR15 in all the cavities in my mk1 restoration. Yes it burns when you weld near to it, but the rest of the panel is protected, and I intend to spray Dinitrol or similar over the top.

#19 Scousemouse

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Posted 16 September 2016 - 08:30 PM

They only built the 4th Bridge because the 3rd Bridge rusted out O_O



#20 ti666er

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Posted 19 September 2016 - 02:09 PM

as the time approaches, and I draw close to closing up those sills like the tomb of the pharaoh, I feel a sense of trepidation. Can I really go paint free on the internal box sections.....Dare I...... 



#21 KaneH

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Posted 19 September 2016 - 08:11 PM

 
but you can't dip a Mini shell so we can rule that out.


You could have a shell dipped, bloody expensive mind you.

#22 tiger99

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Posted 20 September 2016 - 11:09 AM

No you can't, and it is nothing to do with cost. Otherwise I would strongly recommend doing it, because it would actually be cost effective, by eliminating the next 4 or 5 full restorations.

The problem is that All trapped volumes MUST be vented at the top to allow air to escape, and at the bottom to allow excess zinc to drain away. Quite large holes are necessary. Now, try to immerse a Mini upright and you have a massive problem with trapped air in the roof, so the galvanise rs put a big hole in the middle with the gas axe. Then they gave to put holes in the scuttle, scuttle closing panels, parts of boot floor, etc, and that us only for air venting.

If you, with full knowledge if a Mini shell, care to do the mental gymnastics, you will find that there is no possible orientation for galvanising which does not require seriously disfiguring and in some cases structurally weakening hole cutting.

However body sub-assemblies could be galvanised before final assembly, which would be a difficult process as far as welding was concerned. Exposed areas where the zinc had burned off could be retouched by plasma spray (but not in the seams). I for one would not drive a car which might have zinc contamination in the spot welds joining various major parts.

Sadly, as I said, galvanised shells are just not going to happen.

#23 ti666er

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Posted 11 March 2019 - 03:30 PM

Much later....... I did go paint free, and then injected good quality wax (not waxoyl, which is for garden gates) with a decent high pressure gun. The wax "fogs" giving total coverage. Only time will tell however.



#24 SolarB

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Posted 15 March 2019 - 01:24 PM

I'm blaming autocorrect :-)

 

To right. Whoever invented Autocorrect should burn in hello.



#25 sonikk4

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Posted 15 March 2019 - 03:04 PM

Quite a few years ago there was an article in another car magazine where a full resto had been done on a Fiat 500. Now this was fully galvanised and guess what they did not cut a bloody great hole in it with a gas axe.

The only damage incurred to the car was some slight rippling on a panel. Now our mini’s have a greater proportion of flat panels which means it will ripple quite badly. It would be nice to galvanise the whole car but I think the outcome would be more pretzel than a straight car.

And yup Autocorrect is a right royal pain in the backside.

#26 KTS

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Posted 15 March 2019 - 08:47 PM

And yup Autocorrect is a right royal pain in the backside.

 

...always amuses me when i see someone intending to defiantly do something or other

 

visions of said person striding into the shop declaring 'I will buy 2 litres of dinitrol and there's not a damn thing you can do to stop me!'






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