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Sledge, Pulk?



 
 
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  #11  
Old April 3rd 08, 07:28 AM posted to rec.skiing.nordic,rec.backcountry,rec.skiing.backcountry
Bernd Nebendahl
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Posts: 3
Default Sledge, Pulk?

People trying solo traversals and winter ascents of Denali have tried
horizontally carrying ladders or long strong poles (and back packs). The
advantage on temperate/continental glaciers unlike ice sheets is that
you have an idea of flow direction and some sense (but not always) how
crevasses run (rememeber: not always like bends/turns).


I have also read (source?) that some people use two long poles that are put
together to form a cross and attach this to their hips, so you don't have to
worry about the directions of the crevasses (as long as the crevasses are
not bigger than the cross). However I have a hard time imaging how help
yourself once such a cross has stopped you from falling (remember you are
still soloing).

Bernd


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  #12  
Old April 3rd 08, 07:43 PM posted to rec.skiing.nordic,rec.backcountry,rec.skiing.backcountry
Eugene Miya
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Posts: 166
Default Sledge, Pulk?

People trying solo traversals
horizontally carrying ladders or long strong poles (and back packs). The
advantage on temperate/continental glaciers unlike ice sheets is that
you have an idea of flow direction and some sense (but not always) how
crevasses run (rememeber: not always like bends/turns).


In article ,
Bernd Nebendahl wrote:
I have also read (source?) that some people use two long poles that are put

Likely Tejas and others.
together to form a cross and attach this to their hips, so you don't have to
worry about the directions of the crevasses (as long as the crevasses are
not bigger than the cross). However I have a hard time imaging how help
yourself once such a cross has stopped you from falling (remember you are
still soloing).


One presumes one doesn't always punch all the way through
(figure that most of the time you are toast [Simpson being a rare exception]).
You'd have many of the same problems breaking thru lakes except
snow bridges are weaker than lake ice, and you don't get any buoyant
advantages with air below your feet.

The problem is figuring out how long to make the poles. Longer - heavier,
so it's just another part of the knapsack problem.

This is why Messner doesn't like soloing across crevasse fields. But he
does it (w/o any of this).

--
  #13  
Old April 4th 08, 03:31 AM posted to rec.skiing.nordic,rec.backcountry,rec.skiing.backcountry
Hal Murray
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Posts: 10
Default Sledge, Pulk?


to unshod walking boots except for very wide crevasses as in large enough to
swallow a sno-cat (think Mawson's Will and his ponies breaking
through snow bridges). Then the ski gives you a false sense of security


I thought Mawson used dogs and got vitamin-A poisioning from their
livers.

Wasn't it Scott who tried ponies?

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  #14  
Old April 7th 08, 06:23 PM posted to rec.skiing.nordic,rec.backcountry,rec.skiing.backcountry
Eugene Miya
external usenet poster
 
Posts: 166
Default Sledge, Pulk?

to unshod walking boots except for very wide crevasses as in large enough to
swallow a sno-cat (think Mawson's Will and his ponies breaking
through snow bridges). Then the ski gives you a false sense of security


In article ,
Hal Murray wrote:
I thought Mawson used dogs and got vitamin-A poisioning from their
livers.

Wasn't it Scott who tried ponies?


Scott used Siberian Ponies, Shackleton also used ponies. Every one used
dogs. Scott tried tractors. I can't remember all the details of Mawson
w/o going back to Will (those polar books blend together) but I recall one
of the accounts watching some disappear into the abyss.

Scott's ponies had snow shoes, those are still at Cape Evans, and I
remember seeing horse feed at Cape Royds outside Shackleton's hut.
All the English had problems with dogs and skiing. Scott only had 4
pairs of skis for the five of them on his ill fated push. This little
fact tends to get overlooked by armchair explorers.

--
 




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