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Chockstone Forum - General Discussion

General Climbing Discussion

 Page 3 of 3. Messages 1 to 20 | 21 to 40 | 41 to 57
Author
Grid bolting at Windjammer Pt Perp
uwhp510
10-Dec-2014
11:07:56 AM
On 10/12/2014 egosan wrote:
>Please elaborate.
>
>Cheers, Sol
>

Crevice corrosion.

According to the internet;

>2.2.1 Mechanism of Crevice Corrosion
>The crevice corrosion mechanism is dependent on several parameters and it may
>change accordingly with a change in the parameters[14]. The attack happens in a
>restricted area, often a narrow fissure with a width of normally only a few micrometers.

>These fissures can occur where there are external agents such as paint remnants,
>tape or insulation, that forms a crevice against the pipe surface. The chemistry within
>the fissure develops differently from the rest of the bulk solution. In a review[15],
>several mechanisms were proposed for crevice corrosion, since any single mechanism
>fails to explain all aspects of crevice corrosion. Here, only deoxygenation-acidification,
>also called the passive dissolution mechanism, of crevice corrosion proposed by
>Oldfield and Sutton[16] is briefly explained to give an introduction to
>crevice corrosion. In fissures the most common reduction reaction, which is a
>requirement in order to introduce crevice corrosion, is the oxygen reduction reaction.
>Other reduction reactions may also occur, for example, reduction by chloride ion. The
>only reduction reaction at the cathode, is the proton (H+ ) or water reduction reaction;
>in the case where no oxidising agent is left in the pit, or depletion of oxygen is called
>deoxygenation. This is caused by too slow oxygen diffusion into the crevice and
>therefore a concentration gradient builds up between the crevice and the outer passive
>surface of the material. Hydroxide forms in the crevice in alkaline seawater, causing a
>rise in the pH. (etc)
egosan
10-Dec-2014
11:29:24 AM
Thanks for the link, Cliff. Though the discussion of powder coating does not directly apply to simple painting as Wendy suggest, though it does raise serious questions.
uwhp510
11-Dec-2014
11:23:48 AM
On 10/12/2014 Cliff wrote:
>hand painting traps water,

I think its perhaps more likely that the paint on a hanger WILL get chipped sooner or later, which leaves a little gap, into which water will intrude and then just sit there, and the whole chloride thing (from sea-water) can do its work.
Wendy
11-Dec-2014
12:28:19 PM
I can kinda see how painting could create sites to trap water, but is it really any different to glue? I have certainly seen rusted bits around the glue on stainless rings before, which I am now guessing is from similar processes.
timtom
11-Dec-2014
3:49:44 PM
Its coming out night. I go to my mother and say 'mum, I don't like my dress, its totally not me. I cant wear it. Mum sais 'paint your nails pink and you will be fine'. Wanna know what I did? 13%.
One Day Hero
11-Dec-2014
4:00:33 PM
yeah, I reckon timtom is Hex.

IdratherbeclimbingM9
11-Dec-2014
4:17:24 PM
On 11/12/2014 timtom wrote:
>Its coming out night. I go to my mother and say 'mum, I don't like my dress,
>its totally not me. I cant wear it. Mum sais 'paint your nails pink and
>you will be fine'. Wanna know what I did? 13%.

Did Tiptoe Ridge in the nude after simey knocked back your party offer(?), or got even further bent out of shape and went aid climbing instead?
13% and falling as more Members register on this site; ... but even the disabled spammers outnumber them now, so perhaps your mum was right.

I used to know a bloke who owned and used a pink rope for climbing. He hasn't posted on Chockstone for a very long time now, so I don't know if he still climbs...
Next thing you will be missing getting good grandniece?

On 11/12/2014 One Day Hero wrote:
>yeah, I reckon timtom is Hex.

~> Then I'd bet good money that you would be wrong, and I would expect that timtam your one time Qld partner in grime has enough goods on you to make your life uncomfortable yet.
;-)
maxdacat
15-Dec-2014
10:31:21 AM
On 8/12/2014 Wendy wrote:
Sport routes bring crowds.

There was nobody at the Point yesterday to enjoy clipping bolts in the sun!
timtom
15-Dec-2014
11:24:04 AM
13%.
Its funny you mentioned simey the other day, even thou I don't remember where, and don't know who or what you were talking about, but I got a snake called Simey in one of my drains. Its there now. Its a thin eye lustor snake and is a real pest. I don't want it there and I keep flushing it out. But shore enuf it comes back. Its shits in my drain and fouls the pipe. Ive been told its looking for poo- wants poo. Im going to have to flush the poo lusta out agen tonight. If I wasn't such an easy going caring soul, if it were f---ing with any other poor soldier the c--t of a thing would probably be singing lullabies with his poo mates in hell. Damn those drugs that keep the evil inclinations alive.
timtom
15-Dec-2014
6:36:58 PM
Go the point Wendy!
timtom
15-Dec-2014
9:12:48 PM
Where's the dogs? Woof woof.
surfziggy
16-Dec-2014
7:28:56 PM
On 4/12/2014 One Day Hero wrote:
>On 2/12/2014 surfziggy wrote:
>>There's more fun in trying something hard that you can't do yet I reckon.
>
>Why don't you try learning how to place gear then, you goose?

Ooooh stroppy, no need to be an angry tool.

And by the way, I can place gear, but I prefer clipping bolts. to me, It's more fun and I get to climb more and faff less.
One Day Hero
16-Dec-2014
10:46:16 PM
On 16/12/2014 surfziggy wrote:
>Ooooh stroppy, no need to be an angry tool.

I'm not angry, I'm just calling bullshit on your bullshit, which you don't seem to like.....probably because you've been hanging around with a whole bunch of other sport-arseclowns and you've all convinced yourselves that not learning the skills which would let you climb the best routes in the country is, like, totally down to personal preference and has nothing to do with being a gigantic pussy.

>And by the way, I can place gear, but I prefer clipping bolts. to me,
>It's more fun and I get to climb more and faff less.

If you find gear a faff, it's almost certainly because you're shit at using it. Why don't you just toprope? That way you get to faff even less and climb even more, ya excuse-wielding pussy.
Wendy
17-Dec-2014
6:13:35 AM
On 16/12/2014 surfziggy wrote:
>On 4/12/2014 One Day Hero wrote:
>>On 2/12/2014 surfziggy wrote:
>>>There's more fun in trying something hard that you can't do yet I reckon.

(snip)
>
>And by the way, I can place gear, but I prefer clipping bolts. to me,
>It's more fun and I get to climb more and faff less.

This two statements are oxymoronic - climbing something you can't do yet inevitably involves more faffing and less climbing than something you can do despite the enormous inconvenience of placing gear.
This too
timtom
17-Dec-2014
3:07:20 PM
Hey Big W, have you heard of the new Tommy T's Chockbone range? Use that and you wont care if your flagging it with gear or slipping bolts.

pedro.c
19-Dec-2014
5:00:34 PM
A mate of mine who's just started climbing managed to purchase 10 fixed hangers while trying to buy bolt plates. He's given them to me and I'll happily donate them to anyone putting up new routes or replacing rusty hangers at Perp Point. I figure they're in simpathy with previous protection placed out there. We'd prefer it if they weren't located near natural pro. PM me your postal address and consider it a Christmas gift.
Jayford4321
19-Dec-2014
6:23:09 PM
On 19/12/2014 pedro.c wrote:
>A mate of mine who's just started climbing managed to purchase 10 fixed
>hangers while trying to buy bolt plates. He's given them to me and I'll
>happily donate them to anyone putting up new routes or replacing rusty
>hangers at Perp Point. I figure they're in simpathy with previous protection
>placed out there. We'd prefer it if they weren't located near natural pro.
>PM me your postal address and consider it a Christmas gift.

So pedro, your preference is that new fixed hangers aren't located near natural pro.
That is mighty generous of you.
What about if they are on a squeeze line between trad lines, like at Windjammer, where they stuff up trad routes?

I am burdened by that generous spirit also, so will match your xmasy gift offer with a wait, there's more offer of, for every stuffed up placement I will offer a free chop too, for any grandniece receiver that doesn't get it right.
And no, I am not navy, as their gay merriment is too much for my tolerant temperament.



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There are 57 messages in this topic.

 

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