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Posts by derrickman

Showing 1334 results below:

Author Message
Topic: Bryn yr Afr? (dead sheep mine)
derrickman

Forum: General Chat   Posted: 20/05/2009 13:29:51   Subject: Bryn yr Afr? (dead sheep mine)
it might as well be a consensus issue, because no-one outside this forum and its related ME pages cares anyway :)

half these names are more a matter of opinion than fact anyway, witness th
Topic: Cwm Rheidol Mine
derrickman

Forum: Mid Wales   Posted: 20/05/2009 11:55:54   Subject: Cwm Rheidol Mine
look at the general condition of United Downs!

and the Red River, which was exactly that in the 70s
Topic: Bryn yr Afr? (dead sheep mine)
derrickman

Forum: General Chat   Posted: 20/05/2009 11:42:46   Subject: Bryn yr Afr? (dead sheep mine)
I can understand your point, but I don't see why this should be felt to be a problem.

there are a number of Cornish mines historically and customarily known by the name 'Wheal' - eg Wheal
Topic: Bryn yr Afr? (dead sheep mine)
derrickman

Forum: General Chat   Posted: 20/05/2009 08:02:26   Subject: Bryn yr Afr? (dead sheep mine)
why dump the 'Wheal' in the names of Cornish mines? Many of them were so called when they were working ( cf 'Wheal Jane' which was always so called, 'Wheal Pendarves' sometimes; 'Wheal Geevor' was som
Topic: Big Pit at Blaenavon in Torfaen
derrickman

Forum: South Wales   Posted: 19/05/2009 12:59:52   Subject: Big Pit at Blaenavon in Torfaen
I've been there, beware of the pit pony in the stables ;D
Topic: Penallta Colliery - Good news
derrickman

Forum: South Wales   Posted: 19/05/2009 11:28:55   Subject: Penallta Colliery - Good news
it's amazing, the amount of money it is possible to spend without actually achieving anything.

MetroNet, the consortium set up to administer London Underground capital projects, was a clas
Topic: Marine Colliery - Pumping Engine
derrickman

Forum: General Chat   Posted: 19/05/2009 08:20:04   Subject: Marine Colliery - Pumping Engine
Cambridge Pumping House is a bit of a forgotten relic, which is a great shame as it is a very nice specimen. The Pump House adjacent to the Space Centre in Leicester is also well worth visiting, if yo
Topic: Penallta Colliery - Good news
derrickman

Forum: South Wales   Posted: 19/05/2009 08:17:23   Subject: Penallta Colliery - Good news
with the crucial difference, that a Cornish engine house needs no maintenance over periods of 100 years or more; a part-ruined engine house half-covered in undergrowth is actually quite scenic, but an
Topic: Help me out here
derrickman

Forum: General Chat   Posted: 18/05/2009 13:15:23   Subject: Help me out here
that sounds like more than one role to me, or is it a subcontract package? if so, what is the scope and extent of the work?
Topic: Croesor and Rhosydd (Not the Through Trip) on Saturday 30th May
derrickman

Forum: North Wales   Posted: 16/05/2009 13:08:59   Subject: Croesor and Rhosydd (Not the Through Trip) on Saturday 30th May
I put my name down for this but circumstances don't permit after all. :( I posted this on the original thread, but I'm just repeating it here so it doesn;t get missed
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 16/05/2009 06:46:53   Subject: Milwyr and cwmorthin
that weekend is now committed by the looks of it, so I won't be in Ffestiniog, wherever else I get to.

I've been invited on a small trip in the Stony Middleton area to potter about and do
Topic: Restoration almost complete
derrickman

Forum: South West England   Posted: 16/05/2009 06:41:30   Subject: Restoration almost complete
to tell the truth, I prefer these engine houses in the '18th C Romantic' style !

the brambles and undergrowth keep the vandals, dossers and teenage cider-drinkers away, and they are not lik
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 14/05/2009 13:13:06   Subject: Milwyr and cwmorthin
I would assume that this is exactly what they [i]are [/i]saying.

Masham Regs and relevant M&Q legislation mean that the old 'slopey shoulders', 'nuffing to do with me Guv' approach doesn't
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 14/05/2009 10:40:00   Subject: Milwyr and cwmorthin
[quote="martymarty"][quote="Morlock"][quote="roy fellows"]
Does anyone know what has actually happened and why?[/quote]

I enquired with a person very knowledgeable in such things, his
Topic: favourite hard hat....
derrickman

Forum: General Chat   Posted: 14/05/2009 09:45:00   Subject: favourite hard hat....
I hear various things about those.... the aerodynamic shape and low nape is reckoned to be good in windy conditions and they are certainly very light, but the 6-strap liner means they don't accept the
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 14/05/2009 09:40:54   Subject: Milwyr and cwmorthin
ok sounds interesting. I have a day arranged in Mid Wales ( green lanes access reccy with an old friend who now does occasional guided parties, as it happens; a chance to get the Jeep dirty without be
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 14/05/2009 09:20:28   Subject: Milwyr and cwmorthin
ok let me look at the map.

I don't do SRT, never learnt it when it came in and don't intend to at my age :blink: would the second ( separate ) trip be SRT?
Topic: botallack diagonal shaft
derrickman

Forum: South West England   Posted: 13/05/2009 21:30:58   Subject: botallack diagonal shaft
going somewhere else, by the sounds of that....... :( no wonder I've never been down any of them

what is the current state of the cligga head adits? I did hear some years ago that they wer
Topic: botallack diagonal shaft
derrickman

Forum: South West England   Posted: 13/05/2009 20:56:14   Subject: botallack diagonal shaft
how do you get there? I don't remember any way down... I assume it just slopes down to sea level
Topic: botallack diagonal shaft
derrickman

Forum: South West England   Posted: 13/05/2009 20:39:35   Subject: botallack diagonal shaft
another long-dormant question... is the Boscawen Diagonal shaft accessible at all? I haven't been there for years, but I remember being told that it was possible to enter the shaft; how this would be,
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 20:06:47   Subject: eimco....
I've seen a video of it now and somehow, it's rather ... tame? docile? I suppose not having the wall behind your back makes a difference.... that and the noise being dispersed, I suppose

bu
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 15:04:26   Subject: eimco....
Condurrow did have the steel ladder road in those days, yes. But you would get one up under the skip in pieces, no problem. Be a right old job, but nothing impossible about it.

here's a thi
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 14:42:58   Subject: eimco....
eimcos break down pretty small, you lift the body off the wheels, unbolt the scoop... you would get it up the shaft ok, hang it under the skip..


as for using it on surface, I was thin
Topic: The Hunter Tunneler Returns!
derrickman

Forum: Mining Methods & Techniques   Posted: 13/05/2009 12:02:42   Subject: The Hunter Tunneler Returns!
I'm amazed by all this.

tunnel borers aren't new by any means - there were experiments with them in the First World War - but I've never heard of this one.

from modern usage of
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 11:24:52   Subject: eimco....
there is/was one in Great Condurrow , which I assume is still there?
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 13/05/2009 10:33:21   Subject: Milwyr and cwmorthin
ok, Cwmorthin is easy

Grosvenor CC is a bit of a mystery. There are various links, none of which appear to work. Any offers?


I am looking at being in Wales 30th May and i w
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 10:19:05   Subject: eimco....
I gather that the CSM ones were still working ( on the induction course ) as late as 2006, and are presumably still there and still in use.

Specialist Plant had at least one still in occasi
Topic: Milwyr and cwmorthin
derrickman

Forum: North Wales   Posted: 13/05/2009 10:04:39   Subject: Milwyr and cwmorthin
just doodling around on various sites, I have come across the Milwyr and Cwmorthin locations rtepeatedly mentioned.

I would be interested to see one or both of these, what can anyone tell m
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 13/05/2009 08:22:50   Subject: LED lamps
re our burst cell, it was connected to a 12v supply; but a low-power, fused one - a trickle charger - hence ( presumably ) we didn't get the fireworks, although we did get some 'fizzing' from the firs
Topic: Shaft Fall
derrickman

Forum: South West England   Posted: 13/05/2009 06:39:10   Subject: Shaft Fall
I have had experience of more than one fatality or serious injury at work, and I'm not a 'dog-lover' person.. I could happily walk away from a dog in a mineshaft rather than endanger one of my team un
Topic: eimco....
derrickman

Forum: South Wales   Posted: 13/05/2009 06:28:18   Subject: eimco....
it is the SMT one, yes.

personally I find the eimco easier to drive, in a VERY relative sense, because it is a tad more forgiving... but I wouldn't make a big thing of it !!!

sca
Topic: eimco....
derrickman

Forum: South Wales   Posted: 12/05/2009 22:04:13   Subject: eimco....
excellent!

some things still the same at CSM then... they are scary things though. I found a website which indicates there is still one in commercial use at a small mine in Weardale, run ab
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 21:35:29   Subject: LED lamps
H & H are an outdoor shop in the Hope area, been there a long while

anyway here's a link for Speleo Technics. I have seen these lights occasionally in odd locations, there are various marin
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 21:11:41   Subject: LED lamps
I see that Hitch and Hike are advertising a revised version of the Speleo Technics lamps - what batteries do these have?
Topic: eimco....
derrickman

Forum: South Wales   Posted: 12/05/2009 21:01:15   Subject: eimco....
ooer, missus... found myself promoted to driving one of those horrors, clearing the muckpile at Holman's Test Mine, my first day on the CSM Induction Course in 1973. Bet they don't do THAT now.
Topic: eimco....
derrickman

Forum: South Wales   Posted: 12/05/2009 20:49:30   Subject: eimco....
is that the old Survey Office at Condurrow?
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 20:09:09   Subject: LED lamps
got away with it quite lightly, judging by that video :o
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 19:55:06   Subject: LED lamps
I know the first answer, on my last trip offshore some woodentop overcharged a Li ion battery ( from a subsea acoustic beacon as it happens, but comparable to an Oldham one ) using a 12v car battery c
Topic: eimco....
derrickman

Forum: South Wales   Posted: 12/05/2009 19:31:36   Subject: eimco....
I really find it rather disturbing that some well-meaning soul has got one of these things in his shed, and brings it out to frighten kids and pensioners at steam rallies....[url]http://i577.photobuck
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 19:30:38   Subject: LED lamps
I treat these matters on a DKDC basis.... as long as it works, that's all I care
Topic: favourite hard hat....
derrickman

Forum: General Chat   Posted: 12/05/2009 18:57:04   Subject: favourite hard hat....
Centurion and MSA both do peakless versions of their respective hats.

The new Centurion one is very comfy and snug but not up to MSA standards

that cut-down North is a rather per
Topic: favourite hard hat....
derrickman

Forum: General Chat   Posted: 12/05/2009 17:17:04   Subject: favourite hard hat....
so.. here's a very personal topic!

what's your favourite hard hat?

in no particular order....

1) MSA V-Gard. I've worn these all over the world, in various versions, f
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 16:32:36   Subject: LED lamps
I never really had a problem with the old T cells, or the black rubber ones. Self-rescuers are twice the weight.

same with caving, they aren't heavy really.
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 15:54:43   Subject: LED lamps
luck, well yes. Depends.. have they been dropped in transit, for example, and broken the internals? No way to tell but it will affect the performance.

Have they been topped up with distill
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 14:45:10   Subject: LED lamps
[quote="jagman"][quote="Miles"][quote="Vanoord"]Can the (newish) Oldham Li-Ion battery be used with "old" headsets?[/quote]

mmmh yeah but not quite as bright and doesn't last as long as a p
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 14:38:30   Subject: LED lamps
I'd hardly be surprised that the importers of an item from China aren't interested in guaranteeing that it will work with a competing item from a different manufacturer.

I wouldn't, in the
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 13:37:30   Subject: LED lamps
doesn't surprise me much... knowing mining people as I do.

I would reckon that producing a new product with the same key but a different power rating would be asking for trouble...
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 13:30:44   Subject: LED lamps
ok so, does the Oldham Li-16 work with the New Wisdom charger?
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 12:19:38   Subject: LED lamps
ok, I'd understood my one to be a Raptor One, but it definitely has the 'New Wisdom' logo. If not then I've misunderstood the advertising, :confused: probably due to not knowing the people or paying
Topic: LED lamps
derrickman

Forum: South Wales   Posted: 12/05/2009 11:04:46   Subject: LED lamps
interesting trip last night at Godstone Main Series, apart from anything else, it gave me a chance to compare the Raptor and Raptor Pro side-by-side

The original Raptor ( as described on Ro
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