Radice v Volvo shaft seal

The Radice seal is identical apart from an injection point for grease and a vent for air to escape so no need for burping.
 
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Completely off subject I know but I first became aware of crevice corrosion on the Mini Clubman of say 1970's vintage.
The wide wood effect strip used to suffer like mad.
Cars nowadays have better steel , better paint and adhesive trim which virtually does away with the problem.
 
Completely off subject I know but I first became aware of crevice corrosion on the Mini Clubman of say 1970's vintage.
The wide wood effect strip used to suffer like mad.
Cars nowadays have better steel , better paint and adhesive trim which virtually does away with the problem.

Technically speaking that is not crevice corrosion, simply the consequence of permanently wet wood. Crevice corrosion occurs in metals and alloys that rely on a passive surface skin of oxide for corrosion resistance, chromium oxide on stainless steels but similar compounds on others. Same mechanism applies to pitting. Carbon steel does not form a passive skin, unfortunately. Corten was an attempt to provide a passive skin on carbon steel but not particularly effective. There is a page on it on my website.
 
Great for trapping water though :). A significant difference between the AH Sprite and MG Midget was that the Sprite had chrome trim strips along the side whereas the Midget didn't. Sprites always rusted beneath them

They drilled blooming holes to fit those little spring clips through and I found that the rust started there. Subsequent cars glued them on.... much better!
 

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