Ghost Rift

[drainrat]

Good avatar - 

Not sure where you mean - on the left as you were heading back down hill - or on the left going uphill before you got to the windpipe  :-\

Going up away from Maggin's Rift. I am pretty sure of the location I mentioned, but it's so easy to get disorientated!

Does it need.....errrhmmmm...."adjusting".......

You mean light the blue touch paper and retire immediately? Surely not! 

Gregrat.

 

[AndyF]

Certain things are best not discussed on a public thread. Big Brother IS watching you....but there are ways and means of making passages a bit less tight.

I haven't seen this lead, but a big hooley draught sound interesting...

 

[Armchair]

As it's a tiny descending tube for at least several metres, the level of adjustment would need to be fairly drastic. A very careful search for other hidden options might be worthwhile first, not to say that it hasn't been tried before.

 

[Brains]

The Letterbox has been adjusted slightly in the last couple of decades, in that it used to be more letterbox sized, but it is now just possible to look down it. Apparently small pebbles would drop a very long way (or at least rattle for a good while..) but this no longer works so well (getting full?). The sediment floor of the passage has also been dug out next to it making a small pond where there used to smooth floor. To make the passage passable would require an extreme amount of effort. I do not know who has been working it though...
When going upstream from the 16' cascade, just before the R turn to the windpipe (straight on is Poached Egg and the connection), there is a small crawl/dig about 2m up on the R wall, which I believe leads to some crawls near the start of the windpipe. This passage may be related and provide an easier way past the letterbox.
Strongly suspect that it leads into crabwalk somehow, and that the survey may be a little out....

 

[SamT]

When going upstream from the 16' cascade, just before the R turn to the windpipe (straight on is Poached Egg and the connection), there is a small crawl/dig about 2m up on the R wall, which I believe leads to some crawls near the start of the windpipe. This passage may be related and provide an easier way past the letterbox.
Strongly suspect that it leads into crabwalk somehow, and that the survey may be a little out....

Thats the one I know about - which is why I queried which side of the passage the dig was on. T-pot was digging it last I heard.
Personally - Im convinced its the crabwalk that you can here - though T-pot insists its not.
I'd like to be proved wrong and for someone to find some other major stream way running very close to - but not connected to Giants.

 

[Rob]

if you know of any dispensible midgets...

Ey up?

 

[Armchair]

Not very PC, admittedly, but perhaps the only way...
If it's draughting inwards at the moment, might it be worth smoke-testing before the ban?

 

[BenM]

Well... we came, saw, and err left !

Having taken a look at the "Earth leakage" dig tonight all we can think is it would be a lot of work - and pretty dangerous diggin at that !

Plenty of scaff to make the dig safer (burying the entrance in 3ft of rubble doesn't sound fun!) for a start, and then some pretty big boulders to pull out while sat below the choke didn't sound too fun. Upshot - we don't fancy it!

Just thought i'd keep everybody updated. Oh - also started the siphon in St V's as well, good work on that Sam, but can see why you got board before it drained :blink:! We dropped 2cm in about 15min.

BenM

P.S: Particularly liked the two bits of wire  stuck out of a particularly large hanging piece of rock up Ghost Rift!

 

[RM]

Yeah Ben makes it sound a little worse than it looked but...

Large boulders in the roof appear to need to be dug from below to continue. Wudnt want to do anything in their without lots of scaff and a big pokey stick 

The syphon looks like it should work fine, but it doesnt work quickly. Has anyone tried starting in then going to filthy five to see if it clears in time for that?

there seems alot of water to move to me

(the moosetrap sump me and henry syphoned was much smaller and still took half an hour wiith a much larger bore pipe)

Still atleast its possible now

good work samT

 

[SamT]

Yeah - could do with running another pipe through in parrallel when I get some more of that fire hose - should half the time.
Maybe even 3 if I can be bothered.

It actually gets faster as it goes down (think of a bowl - more water area near the surface than at the bottom. I think at the moment your looking at about an hour.

Did you move the pipe back to the deep bit in the middle, it breaks surface before the sumps dropped low enough if you leave it by the dam.

I was wondering if it would stay down at the moment give the heatwave.