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Posts by robnorthwales

Showing 201 results below:

Author Message
Topic: Roman/Ancient Mines! Request for sites
robnorthwales

Forum: Mining Heritage   Posted: 25/11/2020 23:32:40   Subject: Roman/Ancient Mines! Request for sites
You've got roman mining in Flintshire, Denbighshire and Conwy areas - a locally-produced Roman lead 'pig' ingot discovered near Flint, for example. Ffos-y-Bleddiadd at Abergele is another likely site.
Topic: Ventilation in mines and caves
robnorthwales

Forum: General Chat   Posted: 15/11/2020 08:27:04   Subject: Ventilation in mines and caves
[quote="sinker"]

Even if he came on here and said "I've always wondered how ventilation works in mines ...oh and by the way I have this history channel you might be interested in...." I'd b
Topic: Ventilation in mines and caves
robnorthwales

Forum: General Chat   Posted: 15/11/2020 06:51:59   Subject: Ventilation in mines and caves
[quote="Coggy"]The Youtube History guy Lindebiege has not a had a damascene convertion to mining history.[/quote]

And, even if true (and you've no idea if it is true or not), that allows yo
Topic: Vent shaft stacks
robnorthwales

Forum: General Chat   Posted: 11/11/2020 17:21:57   Subject: Vent shaft stacks
[quote="Coggy"]Are you Youtuber Lindebeige really looking for information or some lazy person trying to scam information for a thesis or book you plan to write; I suspect this as you have say you half
Topic: Vent shaft stacks
robnorthwales

Forum: General Chat   Posted: 10/11/2020 21:16:31   Subject: Vent shaft stacks
[quote="sinker"][quote="Lindybeige"]Probably not. I do have a YouTube channel called 'Lindybeige', yes, but I'm not in any way odd.[/quote]

Odd...?...Subjective.
Hugely informative an
Topic: Vent shaft stacks
robnorthwales

Forum: General Chat   Posted: 10/11/2020 17:30:51   Subject: Vent shaft stacks
Firstly, welcome

Secondly, are you the somewhat odd (in a good way) Lindybeige who does those rather good videos (Youtube, natch) ?
Topic: Cae Coch Sulphur Mine (mine)
robnorthwales

Forum: North Wales   Posted: 09/11/2020 18:49:07   Subject: Cae Coch Sulphur Mine (mine)
H2S (Hydrogen sulphide) is highly flammable / explosive. You can smell the 'rotten eggs' at 1-2ppm. 2ppm is enough to cause nausea, headaches, etc. 50ppm is eye damage (usually temporary). Hit a high
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
robnorthwales

Forum: General Chat   Posted: 26/10/2020 21:51:27   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
[quote="christwigg"][quote="Jim MacPherson"]Last time Mr S. Twigg (alias AME and retrogamerVX? I think) was asked about permission (Yorkshire TV in that case), he used a questionable word formulation
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
robnorthwales

Forum: General Chat   Posted: 25/10/2020 21:11:36   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
[quote="Down and beyond"][quote="sinker"][quote="Down and beyond"]Oooo I see ! Hope they had full permission for use ! People get very funny about rights now days :lol:[/quote]

No, Tom, rip
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
robnorthwales

Forum: General Chat   Posted: 25/10/2020 09:21:47   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
I do wonder if they even realise the potential for damages against them if the copyright holder got wind of it. As the video is on youtube (based in the USA), the fines, court fees, etc. could be in t
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
robnorthwales

Forum: General Chat   Posted: 24/10/2020 11:57:25   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
I imagine the company name has been blurred out because AME are using a copyrighted video, without permission from the copyright holder.

Blurring out the name makes it harder for anyone to
Topic: Most worrying place you've ever been in a mine...
robnorthwales

Forum: General Chat   Posted: 14/10/2020 18:59:58   Subject: Most worrying place you've ever been in a mine...
Hitting my head on a roof timber, carrying on a few yards, and then thinking to myself "I never usually hit that". Turned around to see that the timber was only really holding on by a thread ... crept
Topic: Oxygen levels
robnorthwales

Forum: General Chat   Posted: 09/10/2020 16:36:32   Subject: Oxygen levels
[quote="Paul Marvin"][quote="robnorthwales"][quote="Paul Marvin"]
66m is regarded as the max on normal air, working on a PPO2 of 1.6 bar could go on all night on this one, with the diving side of
Topic: Oxygen levels
robnorthwales

Forum: General Chat   Posted: 08/10/2020 17:28:40   Subject: Oxygen levels
[quote="Paul Marvin"]
66m is regarded as the max on normal air, working on a PPO2 of 1.6 bar could go on all night on this one, with the diving side of things . Most dive associations go VERY len
Topic: Flintshire Lead Mining
robnorthwales

Forum: North Wales   Posted: 24/09/2020 16:27:57   Subject: Flintshire Lead Mining
Thanks for hosting - a very useful site that I (and I'm sure many others on here) have spent plenty of time on !
Topic: Mining term: Trial
robnorthwales

Forum: General Chat   Posted: 22/09/2020 16:24:00   Subject: Mining term: Trial
I'm not sure exactly what you mean.

You do a trial, that produces the vein, you follow the vein, using adit, shaft, stope, etc.

Once you've found the vein, you've no real need
Topic: Imolent warranty - no go
robnorthwales

Forum: Lamps & Lighting   Posted: 25/08/2020 17:11:15   Subject: Imolent warranty - no go
[quote="legendrider"]sounds like you've had your £30-worth of fun with it then!!

Look forward to seeing the reverse-engineered retina-roaster!

MARK[/quote]

Funnily eno
Topic: first time in a mine last night and im hooked
robnorthwales

Forum: New recruits!   Posted: 17/08/2020 19:06:45   Subject: first time in a mine last night and im hooked
So, what you've been told is, basically, a load of bullocks. But spelled a bit differently

Aditnow groups go out on a weekly basis in more 'normal' times, some trips require technical skill
Topic: Cannock coalfield project
robnorthwales

Forum: Midlands   Posted: 14/08/2020 16:27:33   Subject: Cannock coalfield project
Agreed Roy, the NLS mapping website is a work of genius.

I can happily spend hours looking at old rail lines, mine sites, abandoned communities that were associated with them, etc.
Topic: IMPORTANT MAENOFFEREN
robnorthwales

Forum: North Wales   Posted: 11/08/2020 16:31:39   Subject: IMPORTANT MAENOFFEREN
[quote="ChrisBones69"]I'm not wanting to sound disrespectful, but it doesn't sit right with me turning maenofferen into yet another Cwmorthin. Turning the place into a money making scheme and another
Topic: Minera, deterioration at Meadow Shaft
robnorthwales

Forum: North Wales   Posted: 30/07/2020 23:54:44   Subject: Minera, deterioration at Meadow Shaft
[quote="royfellows"]Any chance we can leave out the climate politics etc and keep to subject. That is Minera.

For the benefit of those who dont realise it, if someone says something with wh
Topic: Minera, deterioration at Meadow Shaft
robnorthwales

Forum: North Wales   Posted: 30/07/2020 21:17:05   Subject: Minera, deterioration at Meadow Shaft
[quote="Monty Stubble"]At the risk of being controversial. Why do we need all these sites?

I have this discussion regularly with people. Britain and Ireland are covered with an incredible
Topic: Minera, deterioration at Meadow Shaft
robnorthwales

Forum: North Wales   Posted: 27/07/2020 18:08:42   Subject: Minera, deterioration at Meadow Shaft
Regrettably, Roy, the site has been deteriorating for a number of years. First, Wrexham closed the visitor facility on site - probably 10 years or so ago (though I will admit that being a personal est
Topic: South & Mid Wales Cave Rescue Team FundraisingAppeal
robnorthwales

Forum: South Wales   Posted: 06/07/2020 18:13:39   Subject: South & Mid Wales Cave Rescue Team FundraisingAppeal
£20 donated - and I support Roy's suggestion
Topic: Rainford Coal Colliery (mine)
robnorthwales

Forum: North West England   Posted: 12/06/2020 17:55:48   Subject: Rainford Coal Colliery (mine)
If you search 'coal authority mapping', you'll find their website, and huge quantities of information
Topic: Old Mine workings
robnorthwales

Forum: South Wales   Posted: 27/05/2020 20:09:02   Subject: Old Mine workings
I'd suggest a letter - possibly a Solicitor's letter - to the Council, pointing out that the design and construction is entirely to the satisfaction of the Coal Authority - and, as the name suggests,
Topic: Cwmorthin Vandalism
robnorthwales

Forum: North Wales   Posted: 14/05/2020 17:31:56   Subject: Cwmorthin Vandalism
[quote="Pinzgauer"]NO excuses for that sort of vandalism at all. However, it was a big mistake imho to paint the building white. Completely out of character and just a perfect magnet for this sort of
Topic: Burtree Pasture Lead Mine (mine)
robnorthwales

Forum: North East England   Posted: 06/04/2020 18:13:21   Subject: Burtree Pasture Lead Mine (mine)
A wonderful gesture by the owner here.

Many thanks for making it
Topic: Evening folks
robnorthwales

Forum: New recruits!   Posted: 23/03/2020 23:35:17   Subject: Evening folks
Welcome !
A first good resouce would be the NLS mapping website :
https://maps.nls.uk/

A map nerd like me can lose hours on there ...

Where you can look through histor
Topic: Mine at 069 682
robnorthwales

Forum: General Chat   Posted: 06/11/2019 18:27:24   Subject: Mine at 069 682
If you give the two letters at the start of the grid ref (or even a nearby town) then people might have a chance
Topic: Halkyn District United Mines
robnorthwales

Forum: North Wales   Posted: 20/10/2019 22:53:11   Subject: Halkyn District United Mines
I pity anyone who tries their first 'explore' in HDL.

Last time I went in there the mud / slurry was well over knee deep, and really hard work.

Looks like someone has been doing
Topic: Wheal Grenville - Fortescue's shaft 1976
robnorthwales

Forum: General Chat   Posted: 13/06/2019 16:45:42   Subject: Wheal Grenville - Fortescue's shaft 1976
I know of one about 5 miles from Prestatyn - part of old lead workings that are still used as a private supply.

Not sure I'd want it supplying my drinking water !
Topic: Exploring Coal Mines - Gas?
robnorthwales

Forum: General Chat   Posted: 05/06/2019 17:21:48   Subject: Exploring Coal Mines - Gas?
[quote="The Fresh Prince of Portreath"]
It's a funny one, because quite a lot of explorers include some pretty experienced industry professionals. (Outside of coal down here).

There i
Topic: Exploring Coal Mines - Gas?
robnorthwales

Forum: General Chat   Posted: 03/06/2019 17:32:02   Subject: Exploring Coal Mines - Gas?
I know of a couple of 'sort-of' open locations in the area.
The problem is that the bad air areas can be really suddenly defined - you can go from 'perfectly fine' to 'feeling like there's a pla
Topic: Video : Abandoned Mine Explore #23 : Lowering A GoPro Camera Down A Shaft From The 1600s. Discovery Made!
robnorthwales

Forum: General Chat   Posted: 09/05/2019 19:16:15   Subject: Video : Abandoned Mine Explore #23 : Lowering A GoPro Camera Down A Shaft From The 1600s. Discovery Made!
[quote="UK Abandoned Mine Explores"]So nobody noticed the level 2/3s down, even pause on it?[/quote]

I got about 5 minutes into the video before giving up the will to live, sorry. That came
Topic: Midlands accessible mines
robnorthwales

Forum: General Chat   Posted: 04/05/2019 08:51:56   Subject: Midlands accessible mines
[quote="Dj fraser"]Thanks AR. That is somthing we are looking to get trained in as soon as we have our club registered so all our team has the chance to train up[/quote]

If you are beginner
Topic: Caving Videos ?
robnorthwales

Forum: South Wales   Posted: 26/04/2019 06:57:39   Subject: Caving Videos ?
Really sensitive sites, just put up a quick explanation stating that they are, and you will not be giving out the location.
Most people are reasonable, and respect that : they can imagine it as s
Topic: Sir Francis Level
robnorthwales

Forum: North West England   Posted: 28/03/2019 16:25:40   Subject: Sir Francis Level
[quote="Big-G"][quote I would have thought that with all of us having similar interests, it would all be one big happy family. It appears not ??

I wonder why some people can know there's a
Topic: Gwynfynydd
robnorthwales

Forum: North Wales   Posted: 26/03/2019 23:28:26   Subject: Gwynfynydd
If you go here, it has the definitive map of public rights of way, as held by the council

https://www.rowmaps.com/showmap.php?place=sh736281&map=OS&lat=52.835550&lon=3.877806&lonew=W
<
Topic: Goin' down an 'ole!
robnorthwales

Forum: North West England   Posted: 02/10/2018 17:56:03   Subject: Goin' down an 'ole!
As has already been said, the shaft collar or ginging may be unstable, and could give way at any time.

Never mind the rope, camera, etc. If you are within 20 feet of the shaft top, the real
Topic: Miners Tools.
robnorthwales

Forum: Mining Methods & Techniques   Posted: 10/09/2018 09:00:44   Subject: Miners Tools.
Possibly a bit off-topic, but the term' poleaxed' may be relevant here.
The pollaxe was a military weapon, but also a farming implement - if the axe part became stuck then it could be freed with
Topic: Kilburn Hall Colliery Coal Mine (mine)
robnorthwales

Forum: Midlands   Posted: 02/08/2018 23:04:12   Subject: Kilburn Hall Colliery Coal Mine (mine)
Might I suggest you contact your solicitor, who will undergo all the usual searches and you will get professional indemnity out of it, rather than bits and pieces of information online ?

It
Topic: Blagill historic -red van
robnorthwales

Forum: North East England   Posted: 18/06/2018 18:06:12   Subject: Blagill historic -red van
If you have a look at the oldmaps website, on the 1981 1:2500 map it is shown as 'level(disused)' and the watercourse as 'drain'
Topic: Coate Moor Ironstone Mine, Kildale, North Yorks.
robnorthwales

Forum: North East England   Posted: 02/04/2018 08:39:01   Subject: Coate Moor Ironstone Mine, Kildale, North Yorks.
From having seen a number of containers broken into over the years, I have to agree. Shroud over the padlock, and the most sturdy padlock possible.
'Discus', 'closed shackle' or 'shutter' types a
Topic: Snowdown Coal Colliery (mine)
robnorthwales

Forum: South East England   Posted: 21/03/2018 23:23:46   Subject: Snowdown Coal Colliery (mine)
If you go to the page for the mine https://www.aditnow.co.uk/Mines/Snowdown-Coal-Colliery_9601/ then you'll find a zoomable, terrain/satellite imagery switchable map, which will answer your questions.
Topic: Locating mine entrance - aerial photo
robnorthwales

Forum: General Chat   Posted: 17/03/2018 14:09:02   Subject: Locating mine entrance - aerial photo
[quote="christwigg"]Lidar can be extremely useful, unfortunately your location is just outside where data is available for.

https://houseprices.io/lab/lidar/map?ref=SK00006800

Wo
Topic: NLS map viewer extended
robnorthwales

Forum: Exploration Chat   Posted: 02/01/2018 22:11:01   Subject: NLS map viewer extended
A considerable amount now added to the georeferenced section of the mapping at 25 inch scale. Including a considerable part of Wales
Topic: Underground diving lakes?
robnorthwales

Forum: General Chat   Posted: 17/12/2017 22:00:48   Subject: Underground diving lakes?
I'd suggest joining the Cave Diving Group, and getting the highly essential training and skills over and above what most 'normal' diving (both courses and experience) can teach.
Topic: Christmas pressie for someone?
robnorthwales

Forum: South West England   Posted: 16/12/2017 23:11:51   Subject: Christmas pressie for someone?
If anyone fancies a good laugh, then they could go to the planning department and download the first item on the list, the 'decision notice' for the planning application.

http://planning.co
Topic: Outsiders first post - a little help please
robnorthwales

Forum: North East England   Posted: 12/11/2017 15:38:25   Subject: Outsiders first post - a little help please
[quote="CGillott"]I’ll definitely take a look through the posts, yeah think I seen a one for grovesrake mine. IR is an invisible light we can’t see with our own eyes, how effective my camera will be w
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