Author Topic: Breakthrough in Rods Pot  (Read 21962 times)

Offline Les W

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Re: Breakthrough in Rods Pot
« Reply #25 on: December 11, 2010, 11:15:13 pm »
Incomplete but worth a look http://www.ubss.org.uk/resources/surveys/survex/Burrington.lox

I tried to read this file but had no luck. A google search for lox file extension returns "unknown or unassigned file extension".
It's a Therion file.
http://therion.speleo.sk/
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Offline Maggot

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Re: Breakthrough in Rods Pot
« Reply #26 on: December 12, 2010, 01:20:11 am »
Nice.
I followed the therion link, and apparently there's a windows version which is as much use to me as the facebook link in another thread  :-\
The site says there's a mac version but the gz archive it links to has loads of files with weird extensions (.pl, .cxx, .h). Nothing that looks like a program.   >:(
Good effort, but I guess I can live without.

Offline graham

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Re: Breakthrough in Rods Pot
« Reply #27 on: December 12, 2010, 08:15:02 am »
Incomplete but worth a look http://www.ubss.org.uk/resources/surveys/survex/Burrington.lox

I tried to read this file but had no luck. A google search for lox file extension returns "unknown or unassigned file extension".

Sorry, had I given the link to the page rather than the file then you would have seen the explanatory notes, saying what the file is and where to get the software. I agree it is not easy to install on a Mac but, for some strange reason, the surveyors who write this stuff, it is effectively freeware, put more effort into the Linux versions and the Windows versions than into one for the Mac, I cannot imagine why.  :-\

Anyway, you may find the Survex version http://www.ubss.org.uk/resources/surveys/survex/Burrington.3d more to your taste as Survex does support the Mac a little better.

It is a strange fact that you do need to install cave survey programs to view the latest developments in cave surveys though.

Anyway, back to the discussion about Rod's.
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Offline Andy Sparrow

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No Country For Old Men
« Reply #28 on: December 16, 2010, 10:06:25 am »
Another 6-8 metres last night.  The digging team consisted of only me and Barry - where are all the young tigers when you need them?  Last week's breakthrough ended with two obvious digs - one is a clean washed archway with a metre or so of passage visible beyond and the other a rising crawl over cobbles.  The cobble crawl seemed to be draughting cool air and looked like the best option.  The sediment fill in the crawl proved to be very loose and dry allowing very rapid progress and after only half an hour Barry squeezed through into a small chamber.    There are two possibilities here - a small choked archway ahead or digging upwards through the sediment fill that partly forms the roof, I believe the latter option could very easily breakthrough into something much more open.

Barry and I have a combined age of 118 and the thrutching in and out of the extension and digging was accompanied by a certain amount of gasping, groaning, grunting and wheezing.  This inspired the name for our short extension - "No Country for Old Men".

Total length of the extension from where work started in Ever-Ready Passage is now approaching 50 metres.
Andy Sparrow



Offline whitelackington

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Re: Breakthrough in Rods Pot
« Reply #29 on: December 16, 2010, 10:17:58 am »
Hi Andy, well done mate
anyway, why not drag Chris Castle out for the evening, he's still got a bit of life left in him.

Offline Ed W

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Re: Breakthrough in Rods Pot
« Reply #30 on: December 16, 2010, 10:41:30 am »
Good stuff Andy - just sorry I was not there to support Barry and your good self (had a bad day yesterday).  How far to Drunkard's now?

Offline Tony_B

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Re: No Country For Old Men
« Reply #31 on: December 16, 2010, 11:49:17 am »
Barry and I have a combined age of 118 and the thrutching in and out of the extension and digging was accompanied by a certain amount of gasping, groaning, grunting and wheezing.  This inspired the name for our short extension - "No Country for Old Men".


Doh! Great name for a bit of cave, and one I had been keeping in mind for when I found a suitable place to christen with it. Well done on your efforts, though.

Offline Burt

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Re: Breakthrough in Rods Pot
« Reply #32 on: December 17, 2010, 06:22:06 pm »
Ed's video of the dig lives here:

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Offline whitelackington

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Re: Breakthrough in Rods Pot
« Reply #33 on: December 17, 2010, 08:09:26 pm »
Ed, well done chap, very entertaining on these long dark snow covered evenings.

Offline paulf

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Re: Breakthrough in Rods Pot
« Reply #34 on: December 17, 2010, 08:57:34 pm »
Wants a Body Double  :lol:

Offline Roger W

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Re: Breakthrough in Rods Pot
« Reply #35 on: December 18, 2010, 02:28:51 pm »
I was just thinking, it's amazing what can be done with plasticene mud figures and stop motion photography!

Excellent work!!
"That, of course, is the dangerous part about caves:  you don't know how far they go back, sometimes... or what is waiting for you inside."   JRR Tolkein: "The Hobbit"

Offline whitelackington

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Re: Breakthrough in Rods Pot
« Reply #36 on: January 18, 2011, 06:34:19 pm »
Any more breakthroughs lately?

Offline Burt

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Re: Breakthrough in Rods Pot
« Reply #37 on: January 27, 2011, 11:05:09 am »
We're still digging in Rods, last night moving lots of (30+) bags of accumulated spoil in a herculean effort.

Rashly, I decided to free climb the new pitch (El capitoff). My only advice to anyone attempting the same, is, don't. Use a ladder.
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Offline Andy Sparrow

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Re: Breakthrough in Rods Pot
« Reply #38 on: January 27, 2011, 01:21:08 pm »
We're still digging in Rods, last night moving lots of (30+) bags of accumulated spoil in a herculean effort.



Still plenty of bags left to move next week, and then finally, the week after that, we can get to work on the very enticing terminal dig.

BTW if anyone out there wants to get involved in this project PM me.  Another pair of hands is always welcome.
Andy Sparrow



Offline Les W

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Re: Breakthrough in Rods Pot
« Reply #39 on: January 27, 2011, 01:41:54 pm »
Rashly, I decided to free climb the new pitch (El capitoff). My only advice to anyone attempting the same, is, don't. Use a ladder.

Did you make it or was discretion the better part of valour...
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Offline Burt

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Re: Breakthrough in Rods Pot
« Reply #40 on: January 27, 2011, 02:25:55 pm »
Yeah, I did it, but won't be doing it again!
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Offline Les W

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Re: Breakthrough in Rods Pot
« Reply #41 on: January 27, 2011, 02:47:00 pm »
I might have to pop down and give it a go then  ;)

Where would you rate it compared to say, Dolphin Pitch, Eastwater, or The Forty in Swildons?
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Offline Burt

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Re: Breakthrough in Rods Pot
« Reply #42 on: January 27, 2011, 02:54:47 pm »
PM to you Les.
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Offline Amata

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Re: Breakthrough in Rods Pot
« Reply #43 on: January 27, 2011, 05:36:23 pm »
I love reading the updates here! If I were over there, I'd for sure jump in and give an extra pair of hands to the cause! I'm good with little squeezy spaces so long as my hips can make it through!
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Offline Andy Sparrow

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« Reply #44 on: February 18, 2011, 01:46:54 pm »
It's probably time for an update.  For the last 6 weeks ChCC have been very busy in Rod's.  We had a massive problem with spoil removal from the extension and needed a solution.  There was never much doubt that the new stuff could be connected to the bottom of the old Blind Pots (the 40' pitches traversed in the old cave), and if a connection could be created it would make our life very much easier.

An initial excavation at the bottom of the Blind Pots quickly revealed an arched passage with air space.  It actually took only a few sessions to link this to the bottom of El Capitoff, and then a couple more to remove the accumulated bags.  This week we were finally able to take a look at the end chokes of 'No Country For Old Men' and very quickly discover a semi-open passage which will now be the focus of efforts.

We have also begun work on the tube which passes over the pitch head of El Capitoff.  This clean scalloped passage draughts very strongly and can be seen to open into caver sized passage within a metre or so.  This represents an entirely different level of development to the lower passages.

We need a lot of manpower on this dig now and we welcome new members to the team - so if you would like to be involved PM me.
Andy Sparrow



Offline Burt

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Re: Breakthrough in Rods Pot
« Reply #45 on: February 18, 2011, 08:33:25 pm »
So to follow Andy's post, there are now 2 round trips in Rod's Pot - Rod's to Bath Swallet as existing for some time now, and El Capitoff to Blind 40's. This is quite a strenuous trip with some tight squeezes!

Could I ask anyone attempting this to mind the bones in bone chamber!! they have been taped off but are extremely fragile, as are the mud forrmations. The aven above bone chamber has been climbed and chokes down.
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Offline Les W

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Re: Breakthrough in Rods Pot
« Reply #46 on: February 18, 2011, 10:22:45 pm »
Rod's to Bath Swallet

It's not a round trip its a through trip.  :smartass: :tease:
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Offline tony from suffolk

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Re: Breakthrough in Rods Pot
« Reply #47 on: February 19, 2011, 11:11:12 am »
I wish I lived closer, I'd love to help. I find there's something very exciting and satisfying about such a well-visited cave like Rod's being extended in this way.

Keep it up folks!
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Offline Ed W

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Re: Breakthrough in Rods Pot
« Reply #48 on: March 18, 2011, 07:55:20 am »
Last night Andy and I finally managed to get through “The Nitpicker” (the small passage leading onward above “El Capitoff” pitch).  This took three sessions of very entertaining capping whilst dangling over the 50ft pitch.  The Nitpicker is about 2.5m long, and constricted (though not desperately tight).  Beyond is a small chamber, formed at the junction of the Nitpicker and a sizeable (well hands and knees) phreatic passage.  There is a narrow rift in the floor (150mm wide) which drops the full height of El Capitoff.  The phreatic passage unfortunately ends at partial mud chokes after only about 3m to both left and right.  In each direction there are substantial air spaces above the mud, and digging looks very easy.  Spoil removal would however be problematic to say the least.  It is presumed that the right hand dig would connect to one of the mud choked tubes in the left hand wall of the main passage beyond the now not so blind pots.  The left hand passage is more intriguing however, and last night was emmitting a steady draft.  There is also a very small mud choked passage leading dead ahead from the end of the Nitpicker.  It is suspected that this is heading towards Main Chamber and doesn’t look to be too promising.  With the addition of Amazing Grace and the latest extensions, I reckon that the total extension beyond the Resistor is now somewhere around the 75-80m mark.
 
The new bit of passage has been christened “Four Ecks Passage”.  The name refers to the Roman numeral XXXX (referring to Andy’s recent 40th anniversary of his first caving trip, and my recent 40th Birthday).  It may also have more than a passing relationship with the curses I made getting through the Nitpicker for the first time (and more importantly getting back), the number of times I smacked bits of myself with the hammer enlarging the Nitpicker and the small pile of digging equipment dropped down El Capitoff over the last few trips (can people keep an eye out for a couple of chisels, a crowbar and a Hilti Rod for me please).
 
Finally, unless anyone knows better, I believe that I have now hung in a harness in Rod’s Pot longer than anyone in history.  A total probably exceeding 8 Hours over the three trips.  Does anyone know how I get the Guiness Book of Records to recognise that one?

Offline Cap'n Chris

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Re: Breakthrough in Rods Pot
« Reply #49 on: March 18, 2011, 08:39:47 am »
Good stuff gentlemen! - I wonder whether Gerbil will attempt 9hrs in three trips?

 

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