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Dear Cap'n. You know me better than that. Finesse is not my thing. Loads of my beloved scaffolding is the answer. For once I am feeling more optimistic about " The Pit ". The outward cold draught is a good sign and the fault wall is going outwards giving more space. The Pit bottom is still about 8m above the main level of the fossil conduits Shatter and Withyhill so the possibilty ( for an optimistic old fool ) is another relict inlet formerly draining the west part of the catchment now captured by Ashwick Grove. For those who have an interest in the grovellings of old men here is yesterday's group report.

"Went up with Mike from Holford. Met Peter at the car park and a group led by Martin for Shatter. Carried in two boards, Mike's drill, Peter's drill , Sundry small fittings, Mike's capping kit. Peter up to PP for capping and mud removal. Mike and I to The Pit. All good from Friday. Big boulders nicely broken into smaller boulders. We first put pins in the ladder top jack then bolted the ladder to the jack pole.The bottom ladder jack bolt tightened up. The ladder now very secure.Mike passed up broken rock which I stacked behind boards and mesh behind the ladder. Now all about half full and ready for next week. We stopped for lunch. Peter arriving from PP very mucky. I resisted the opportunity to pay a visit. Mike had to leave early as he wanted to be home for 4 pm. We left Peter in PP so I cant say how he got on.The Pit dig had reached a point where capping and sledging is needed. Nothing awkward. Three needed to do that and pass the rocks up behind the ladder. Whilst taking photos I moved a big boulder revealing more of the holes in the floor. A long thin slab blocks that but can be capped to get down another metre. The fault wall still dipping outwards, the opposite wall vertical but safe.The cold draught comes up the hole. Looking forward to more progress next week. Mike and I OK but would be good to know who else. If a lot the rocks can come up with the winch.The video explains all."

Here is the route that the draught took last week.

 
Cap'n. We shall be along sometime this year to view your own demented grovellings in Grebe. As previously you will supply the cake. Whilst I am on my file sharing site ( which Mr O'Doc seemingly cannot afford ) here is a view of the holes in the floor no doubt leading onward to spleological ( sic ) fame and glory.

 
Ladder base and now used for packing meaning we need another ladder. The ladder was fit together sectional or we would never have got it in. Base jack at bottom with clamp tie.

 
Cap'n. We shall be along sometime this year to view your own demented grovellings in Grebe. As previously you will supply the cake. Whilst I am on my file sharing site ( which Mr O'Doc seemingly cannot afford ) here is a view of the holes in the floor no doubt leading onward to spleological ( sic ) fame and glory.

Digging straight down is a proper pig.
 
Late home last night after the trip via Holford so just did the videos and photos.

Met Peter and Martin at FCQ. They went to PP to dismantle more of the boulder. This took a long while as " Somebody " used the wrong rotation on the drill and burned out the bit. Of course I had a spare. Ultimately they both blamed each other. Mike and I in The Pit after hauling in the half step ladder. This fitted perfectly ( of course ) so now easier to climb out. The spare bit of ladder now at the midway point. Pins fitted to mount the Acro at ther back. More nonsense as we were screwing the collar the wrong way. All the movable boulders were then stacked on it clearing a good space at the floor. Finally the big slab blocking the way down was capped and broken but we had no time to get it out, The fault wall going down more vertically beside it and spaces below. A rock opposite the fault wall was removed showing that undercutting a bit. So the floor space will be wider still as we go down. It did appear that this wall is becoming more solid so we are in a wide rift. Still a sessions worth of space behind the ladder to fill up but rocks have to go to the top the drop in. Three folk would make that easier. Four would clear out using the kibble. Went up to PP which is far wetter than The Pit. The latter now drying out. ( Maybe due to the draught ). Peter had worked well with a mud blockage ahead. All explained on the videos.
Mike and I OK next week. Peter maybe not. Lets see at the weekend who else wants to play.
 
He did. The Somebody started drilling without checking the drill bit rotation direction and carried on determinedly drilling despite making no progress at all. It was only when the bit went red hot and the tip had melted to a blob that he thought there was a problem. I always check if no progress is being made as it is quite easy to accidentally push the switch affecting rotation direction over accidentally. To be fair the Somebody is normally our bang man - we just drill the holes and he does all the fancy stuff.
 
He did. The Somebody started drilling without checking the drill bit rotation direction and carried on determinedly drilling despite making no progress at all. It was only when the bit went red hot and the tip had melted to a blob that he thought there was a problem. I always check if no progress is being made as it is quite easy to accidentally push the switch affecting rotation direction over accidentally.
I have considered opening up the Dachstein drills and cutting the wire for reverse as this has happened more than once over the last decade or so I believe...
I think with no rock being removed there is nothing to remove the heat of drilling hence drill bit destruction.
 
I have considered opening up the Dachstein drills and cutting the wire for reverse as this has happened more than once over the last decade or so I believe...
I think with no rock being removed there is nothing to remove the heat of drilling hence drill bit destruction.
Seems a little extreme. I suppose with multiple users it might be worthwhile. As it is my personal drill and nobody else usually handles it, I soon learnt no dust and no progress means the switch needs moving.
 
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