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Author: Subject: Bahia Blanca to Pta. Cono Silt Beds
bigzaggin
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[*] posted on 7-17-2010 at 02:52 PM


Can anyone comment on how much - if at all - the "rock haulers" are to blame for those increasingly deep silt beds? I drove through this past winter - got stuck once, ground my bushings to a nub - and some none-too-pleased fishermen I met out there said they (the huge trucks transporting rocks) were to blame. You occasionally see those enormous bags of stones out there...assuming they wind up back in the states for yards/walls, etc.

Is that indeed the culprit?
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Mexitron
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[*] posted on 7-17-2010 at 03:01 PM


The silt has always been bad but is now much worse from the rock trucks...our strategy last summer was to go slow and pick our way from point to point rather than gunning it...we got through okay.
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Barry A.
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[*] posted on 7-17-2010 at 06:06 PM


Are all these "silt beds" associated with dry lakes?

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[*] posted on 7-18-2010 at 07:57 AM


They're not dry lakes Barry but I don't know much more of the actual geologic history on them...almost seems like old seabed that lifted or something...I'm pretty sure there are Pleistocene deposits along the coast there that lifted out so maybe its related to that...???
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[*] posted on 7-18-2010 at 08:50 AM


Quote:
Originally posted by Mexitron
...our strategy last summer was to go slow and pick our way from point to point rather than gunning it...we got through okay.


That sounds like a good strategy. If you do high center you are not to far from a good surface.

In some ways it's like doing a ford. Slow and steady. My sense is that deep silt like what's being reported now could cause problems with the radiator fan (among many other things) much like water can, i.e. fan collision with radiator.

Gunning it is a tactic only when I have mis-judged my slow steady speed/gear and feel that I'm going to stall out (there's just no speed shifting my tranny). Now, after reading your post and thinking about it I have probably been going too fast even though I felt it was, "slow".

The diesel tends to lull me into carrying too high a gear. An automatic would be very handy in the silt I suspect. In any case upon my next encounter I will try slower....maybe even creeping through.

As for the road getting worse, don't forget the fact that there are just more folks using it each year. The first time I went through there was around '84' in a '66' VW bus. Imagine that today :no: There was silt to be sure but it was no big deal.
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Mexitron
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[*] posted on 7-18-2010 at 02:55 PM


I think my first trip through the dust was around 1993 and it wasn't bad at all---it was in May so the winter rains had packed it back down. I made the mistake of leaving my window down while driving through the silt on the Canoas road about 9 years ago...my CD player has never really worked since.:lol:
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woody with a view
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[*] posted on 7-18-2010 at 03:11 PM
i get a chubby.....


every time the silt envelopes the truck and starts running down the windshield in little rivulets. it is so fine that the dirty window creates rivers of silt.

BTW, i washed the truck today and there is still silt coming out of "WHO KNOWS WHERE" and running down out of the brake light housing.....




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