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This is where all that soil went!
To give me space to build this ramp down to the canyon ledge.
Well I got through, and it is now drive-able with a soft roader.
Here are a few more pics of the building of the track.Just been googling yellow metal damage by oil and found this:
http://www.machinerylubricatio…..es-effects
It appears it is the copper that is attacked. So that would include copper and its alloys, so brasses and bronzes it seems.
Bob, you're probably right… I actually had not heard the term yellow metal before. So I presumed it was referring to the colour as a rather loose term.
So yellow metal refers to brass only? Brass from what I understand refers to any copper alloy, based around the other main other part being zinc, but in huge variation of ratios, and often other small parts of other elements.
As for the bushing in the shuttle, I would have guessed it was some form of bronze (which I understand likewise refers to any copper alloy, based around the other main other part being tin, but yet again huge variation of actual ingredients), but it could easily be a form of brass. I wouldn't be sure, and I'm not sure how one would tell.
I'm always keen to learn more…
Incidentally I did find that the selector slip ring in the shuttle clutch runs on a bronze bush, and i think there maybe other bronze parts in the shuttle set up.
So there may be other yellow metal about…
