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Posts by staffordshirechina

Showing 666 results below:

Author Message
Topic: Croesor Rhosydd through trip
staffordshirechina

Forum: North Wales   Posted: 24/11/2020 08:28:02   Subject: Croesor Rhosydd through trip
You will not get in or out of Cyffty adit. We cast a large concrete plug in the adit mouth at the same time as the Parc surge dam works. Around 1991.
Topic: 'Slants'
staffordshirechina

Forum: Mining Heritage   Posted: 20/11/2020 21:42:18   Subject: 'Slants'
I would agree with Mr C, it is a term I would associate with a drift, incline or footrail.
Topic: Ventilation in mines and caves
staffordshirechina

Forum: General Chat   Posted: 12/11/2020 15:50:21   Subject: Ventilation in mines and caves
[quote="pedrgogh"]
Any extension above ground I have always assumed was needed to improve the ventilation because the shaft its self was not deep enough.
[/quote]

Also I suspect t
Topic: Ventilation in mines and caves
staffordshirechina

Forum: General Chat   Posted: 12/11/2020 08:40:27   Subject: Ventilation in mines and caves
[quote="Morlock"]
This system would also work with a single brattice divided adit.

[/quote]

I believe it was not unknown for shafts using this method with the fire at the bo
Topic: Vent shaft stacks
staffordshirechina

Forum: General Chat   Posted: 11/11/2020 22:02:33   Subject: Vent shaft stacks
Thanks for those Jim. As you say, a bit vague.
Topic: Vent shaft stacks
staffordshirechina

Forum: General Chat   Posted: 11/11/2020 15:24:29   Subject: Vent shaft stacks
[quote="Lindybeige"]https://www.flickr.com/photos/bookhistorian/33696587890/in/album-72157682587188056/

This picture from Agricola shows vertical shafts with brattices dividing them into se
Topic: Ventilation in mines and caves
staffordshirechina

Forum: General Chat   Posted: 11/11/2020 08:45:10   Subject: Ventilation in mines and caves
Tom,
The window you describe may be many things but I would guess it was a regulator. Airflow is like electricity. The voltage (pressure) is held back by the resistance of the circuit. Also, like
Topic: Vent shaft stacks
staffordshirechina

Forum: General Chat   Posted: 11/11/2020 08:35:35   Subject: Vent shaft stacks
Without checking Agricola (I don't have one sadly) I would guess that he was describing ventilation using a furnace. Therefore his outlet was basically a chimney, not an evase. Modern evase design is
Topic: Vent shaft stacks
staffordshirechina

Forum: General Chat   Posted: 10/11/2020 22:24:44   Subject: Vent shaft stacks
The design of a fan Evase has to do with maintaining efficiency of the fan. If you let the air go straight out at full pressure it creates turbulence which is inefficient, So the air is allowed to exp
Topic: Ventilation in mines and caves
staffordshirechina

Forum: General Chat   Posted: 10/11/2020 22:17:26   Subject: Ventilation in mines and caves
So far you have had many replies about all forms of mining from ancient to modern of several completely different minerals and working types.
You are going to have to be more specific about the m
Topic: Ventilation in mines and caves
staffordshirechina

Forum: General Chat   Posted: 10/11/2020 09:49:37   Subject: Ventilation in mines and caves
What you are researching is a huge subject and will take you a long time to get your head around.
There are so many factors at play that each mine is an individual ventilation problem. Then there
Topic: Hanging Flat - any history?
staffordshirechina

Forum: Midlands   Posted: 26/10/2020 21:40:49   Subject: Hanging Flat - any history?
I can remember going in there before it was last worked, during the previous working (early 70's?).
There was a shed built around the entrance, a small tip outside and a knackered 360 excavator b
Topic: One for car enthusiasts
staffordshirechina

Forum: General Chat   Posted: 20/10/2020 08:20:21   Subject: One for car enthusiasts
[quote="Tamarmole"]I'm on my fourth Landy. I still haven't learnt my lesson, I've just shelled out more than I care to think on a new galvanized chassis.[/quote]

It takes a while. I did s
Topic: One for car enthusiasts
staffordshirechina

Forum: General Chat   Posted: 19/10/2020 21:54:43   Subject: One for car enthusiasts
I started out with Land Rovers. It took me many years, several engines, gearboxes and half shafts etc to realise that I was onto a hiding for nothing.

Here is the first one bought in 1972 w
Topic: Clogau
staffordshirechina

Forum: North Wales   Posted: 13/10/2020 13:38:16   Subject: Clogau
Yes, we put in the viewing platform then but the carpark already existed. We moved onto the carpark with our site office etc. We had to scrape the moss and leaf mould of it so it wasn't new.
From
Topic: Clogau
staffordshirechina

Forum: North Wales   Posted: 12/10/2020 21:56:48   Subject: Clogau
[quote="alex17595"]
They also made a choke dam in level 3 because there was a risk of a rush of water coming out.

[/quote]

The dam was put in in the early 1990's after a con
Topic: Clogau
staffordshirechina

Forum: North Wales   Posted: 11/10/2020 21:32:22   Subject: Clogau
The boring was just for samples.
Topic: Clogau
staffordshirechina

Forum: North Wales   Posted: 10/10/2020 21:43:05   Subject: Clogau
My mate Terry gets a few views, mainly from the back...
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 09/10/2020 21:13:17   Subject: Oxygen levels
[quote="Down and beyond"]As clearly a trained person how accurate are they , Do you have to regularly watch the flame while you work , does it just go out or do different things according to what is p
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 08/10/2020 19:57:12   Subject: Oxygen levels
[quote="Down and beyond"]

In iron mines was anything every used to detect co2 in the old Days I have never heard of anything have found candles in them assume there just for light also fire
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 07/10/2020 20:57:04   Subject: Oxygen levels
[quote="Paul Marvin"]I think the canary was a good method when it keeled over it was time to leave :lol:[/quote]

Canaries were only ever used for detecting carbon monoxide after a fire or
Topic: New member
staffordshirechina

Forum: New recruits!   Posted: 03/10/2020 21:51:56   Subject: New member
There's a lot of us that are now "elderly cowboys"...
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 01/10/2020 14:48:43   Subject: Oxygen levels
[quote="pwhole"]I was with staffordshirechina some way into Hillcarr Sough when the O2 levels went down to very, very low, and I felt fine, but I can't remember if we had a CO2 meter - but that must h
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 01/10/2020 09:12:16   Subject: Oxygen levels
[quote="Down and beyond"]

So can co2 be present at a dangerous level in a iron mine and o2 still be at a acceptable level ? This is my only question left as I don’t cleary understand it’s
Topic: Oxygen levels
staffordshirechina

Forum: General Chat   Posted: 30/09/2020 18:34:06   Subject: Oxygen levels
Iron mines tend to produce more co2 than many other mines owing to the geology. We used a 5 gas version of the common BW technologies monitor. The fifth gas was co2. This is an expensive monitor at ar
Topic: Welsh gold: 'High possibility'
staffordshirechina

Forum: North Wales   Posted: 12/09/2020 16:24:04   Subject: Welsh gold: 'High possibility'
At least it is making my mate Terry a few bob working as underground supervisor for the duration of the drilling.
Whether it makes anybody else anything has yet to be seen....
Topic: Miners Tools.
staffordshirechina

Forum: Mining Methods & Techniques   Posted: 30/08/2020 21:30:42   Subject: Miners Tools.
Did the Cornish miners eat their candles as well as the pasties ?
Topic: Gas Monitors
staffordshirechina

Forum: Exploration Chat   Posted: 14/08/2020 22:01:56   Subject: Gas Monitors
Regarding oxygen monitors and calibration. There are two main systems in use depending on how your monitor is configured.
One needs external test gas calibration and will set at the correct zero
Topic: Hidden BBC Wales Drama
staffordshirechina

Forum: North Wales   Posted: 11/08/2020 16:31:14   Subject: Hidden BBC Wales Drama
[quote="TwllMawr"]“... watch out for several of the rural scenes, often at chapels...”

Stereotyping? :lol::lol:[/quote]

Maybe so. ;D Though if they were trying to save a few quid
Topic: Hidden BBC Wales Drama
staffordshirechina

Forum: North Wales   Posted: 10/08/2020 08:26:51   Subject: Hidden BBC Wales Drama
Having just finished Hinterland, I would agree.
With the eye of the mine explorer, watch out for several of the rural scenes, often at chapels, that have what look like mine tips in the backdrop.
Topic: Croesor Quarry Explosives Store Photos
staffordshirechina

Forum: North Wales   Posted: 03/08/2020 08:42:36   Subject: Croesor Quarry Explosives Store Photos
I love the single old type fire extinguisher in the bridge photo C9.
If that lot was burning I wouldn't want to hang around to use it!
Topic: Snailbeach Railway
staffordshirechina

Forum: Mine Tramways and Railways   Posted: 14/07/2020 14:13:11   Subject: Snailbeach Railway
Funny people in Snailbeach.
Some of them have three eyes...
Topic: Powdered milk
staffordshirechina

Forum: General Chat   Posted: 14/07/2020 14:09:08   Subject: Powdered milk
We have an oatcake shop near us called "Oat Cuisine".
If you're man enough, they do a full English in oatcakes.
Topic: Powdered milk
staffordshirechina

Forum: General Chat   Posted: 14/07/2020 08:07:11   Subject: Powdered milk
[quote="Yorkshireman"]

The best (and possibly biggest) mug of tea I ever had - with fresh milk and enough sugar to stand a spoon in - was after a prolonged trip down Florence Colliery in Lo
Topic: 2x Honeywell 15 minute escape set
staffordshirechina

Forum: For Sale! (and wanted / for swap)   Posted: 09/07/2020 14:29:25   Subject: 2x Honeywell 15 minute escape set
I agree whole-heartedly with Sinker. There is no place in mine exploration for this type of equipment.

If you need air underground then a). you shouldn't be there, or b). you need a fan and
Topic: Opening a ET&W cambrian b/136
staffordshirechina

Forum: Lamps & Lighting   Posted: 19/05/2020 08:34:08   Subject: Opening a ET&W cambrian b/136
Ian, you need to touch the magnet to that iron stud in your picture. That stud then conducts the magnetism inside to the plunger and pulls it down to release the top ring.
As mentioned above, it
Topic: Back underground ????
staffordshirechina

Forum: General Chat   Posted: 12/05/2020 08:45:16   Subject: Back underground ????
This week I should have been inspecting some mines in Surrey for London Youth for outdoor centre usage.
That is cancelled.
I wonder how long it will be before we see outdoor centres re-open?
Topic: Free money for clubs with huts
staffordshirechina

Forum: General Chat   Posted: 30/04/2020 13:57:49   Subject: Free money for clubs with huts
[quote="Peter Burgess"]Les, please don't regret posting this. Your latest comments are well-reasoned and I hope everybody reads them with an open mind. And if after reading it you still don't agree wi
Topic: RIP Steve Thompson
staffordshirechina

Forum: General Chat   Posted: 27/04/2020 12:56:02   Subject: RIP Steve Thompson
Sad indeed. I had first met Steve in 1971.
Here is a photo from a Lathkilldale entrance taken 1971/72 time.

[link]120259[linkphoto]120259[/linkphoto][/link]
Topic: Cwmorthin Query
staffordshirechina

Forum: North Wales   Posted: 12/04/2020 16:24:30   Subject: Cwmorthin Query
No, just Go Below.
Topic: Top Tip
staffordshirechina

Forum: Midlands   Posted: 10/04/2020 08:19:45   Subject: Top Tip
Over the last few months I have been steadily putting gym weights in our wheelie bin to get rid of them. They were left behind when my sons moved out.
Sadly the last of them went a fortnight ago.
Topic: Unidentified Coal Mine Adit nr A500
staffordshirechina

Forum: Midlands   Posted: 07/04/2020 20:03:18   Subject: Unidentified Coal Mine Adit nr A500
I think I would go for Number 3. Your photos show quite elderly buildings.
Sadly I never got to go to High Carr. I worked for the same company but at their Apedale mine and latterly Bank Top mine
Topic: Unidentified Coal Mine Adit nr A500
staffordshirechina

Forum: Midlands   Posted: 07/04/2020 09:03:59   Subject: Unidentified Coal Mine Adit nr A500
Yes, Definitely High Carr.
Topic: Unidentified Coal Mine Adit nr A500
staffordshirechina

Forum: Midlands   Posted: 06/04/2020 07:35:27   Subject: Unidentified Coal Mine Adit nr A500
Mr C has listed the obvious ones near the D road. We just need to see the photos!

Until you know the names you can upload them to your personal album.
Go to My Aditnow, Personal album
Topic: underground frickley (photo)
staffordshirechina

Forum: General Chat   Posted: 04/04/2020 11:56:27   Subject: underground frickley (photo)
Again from memory, the ones I saw at the training centre were on Dowty props, not those mechanical ones in the photo.
The Dowty props had castellated heads to interlock with notches on the bars.
Topic: underground frickley (photo)
staffordshirechina

Forum: General Chat   Posted: 04/04/2020 07:56:31   Subject: underground frickley (photo)
Yes! Groetschel bars. That was the name I was trying to remember.
I have seen them somewhere else, years ago, it may have been Grassmoor Training Centre.
Topic: underground frickley (photo)
staffordshirechina

Forum: General Chat   Posted: 03/04/2020 15:15:28   Subject: underground frickley (photo)
Quite by chance I found this photo from a 2006 visit I made to the Centre historique minier de Lewarde in Northern France.
It shows clearly what I believe are the same roof support and link bar s
Topic: What’s the strangest thing you’ve found?
staffordshirechina

Forum: General Chat   Posted: 01/04/2020 15:20:08   Subject: What’s the strangest thing you’ve found?
Phil, they do look very much like rag and chain pump staples.
There are some in the PD mining museum that are similar.
Topic: Dark Theme
staffordshirechina

Forum: Site Updates, Suggestions & Corrections   Posted: 01/04/2020 08:53:22   Subject: Dark Theme
Is this an April Fool wind-up?

If not, then I suggest we all go back to Oldham lamps instead of Fellow's bat cookers and everything will seem much darker....
Topic: underground frickley (photo)
staffordshirechina

Forum: General Chat   Posted: 30/03/2020 12:43:13   Subject: underground frickley (photo)
This looks quite an old set up.
Any idea of date?
All the supports are manual and appear to be of the friction type, not Dowty props.
Older coal cutters used a steel rope for haulage. I
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