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Posts by royfellows

Showing 3814 results below:

Author Message
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 12/05/2009 20:44:00   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
I will be in the area on Saturday but I doubt that I would be able to give you a lift in my Mazda, that is asuming that you would want to travel in it. Most peolple would decline.
I stopped for a
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 20:31:37   Subject: LED lamps
[quote="Miles"]Before I go roy:

http://www.youtube.com/watch?v=vS2hGoJVmlA

Here is a video of an 18ah lithium ion battery getting overcharged. Only slightly larger than the oldha
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 20:03:00   Subject: LED lamps
[quote="derrickman"]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
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 19:44:05   Subject: LED lamps
The arguments on here are starting to get a bit sharp which is not to my liking.

Anyway, as I use exclusively Li Ion batteries for my lamps I am more than tempted to test one to destruction
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 19:26:15   Subject: LED lamps
By the way, re MFs
If anyone breaks a plastic battery top, I have loads of these things.
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 18:00:28   Subject: LED lamps
[quote="jagman"][quote="royfellows"]Question for you oldham experts

If Oldham are so good, why do they manufacture/sell/rebrand* the MF?

* Delete as you personally feel appropria
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 17:54:38   Subject: LED lamps
[quote="Vanoord"]From the second link, this little gem:

[quote]By using the nickel headpiece as the heat sink for the light source, the D-type lamp is fitted with a 3-Watt side-emitting pow
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 12/05/2009 17:38:50   Subject: LED lamps
Question for you oldham experts

If Oldham are so good, why do they manufacture/sell/rebrand* the MF?

* Delete as you personally feel appropriate
Topic: Nantymwyn Lead Mine
royfellows

Forum: South Wales   Posted: 12/05/2009 12:12:34   Subject: Nantymwyn Lead Mine
I have just updated the mine description for this, my article as above cleaned up a bit more plus a bit of historical.

I have a lot of material on this mine including plans, however it came
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 11/05/2009 20:02:12   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
Have the events been finalised yet on this?

I can be up at Bwlch Glas about 1500 hrs to meet everyone coming out, when you all do, whatever the time.
As I know the area well, I am will
Topic: Nantymwyn Lead Mine
royfellows

Forum: South Wales   Posted: 11/05/2009 19:50:11   Subject: Nantymwyn Lead Mine
I have just cleaned up an edited my original article, especially the first paragraph. Surprised someone did not draw attention to this. The article was originally typed out on a mechanical typewriter
Topic: Frongoch: Please keep out for now
royfellows

Forum: Mid Wales   Posted: 11/05/2009 16:43:57   Subject: Frongoch: Please keep out for now
[quote="Vanoord"]Excellent work Roy! :thumbsup:

Just to confirm - it is this Fron-goch? [url]http://www.aditnow.co.uk/mines/Frongoch-Mixed-Mine/[/url][/quote]

Yes, its the one.
Topic: Nantymwyn Lead Mine
royfellows

Forum: South Wales   Posted: 11/05/2009 16:42:50   Subject: Nantymwyn Lead Mine
[quote="BertyBasset"]It was Lefel Cadno I did then. John Parker whom I was with seemed to think that there was a shaft in the grounds of the village pub.

Robin[/quote]

He was hal
Topic: Nantymwyn Lead Mine
royfellows

Forum: South Wales   Posted: 11/05/2009 14:35:36   Subject: Nantymwyn Lead Mine

The Nantymwyn Mine is geographically divided into two sites, lying above and below the village of Rhandirmwyn near Llandovery, Dyfed. The mine was worked mainly by adits driven into the mountain
Topic: Frongoch: Please keep out for now
royfellows

Forum: Mid Wales   Posted: 11/05/2009 14:28:14   Subject: Frongoch: Please keep out for now
Please all be advised that the re timbering is now finished, if anyone interested.

I shall get some photographs posted evetually, pity someone was not there with a camera when I was putting
Topic: LED lamps
royfellows

Forum: South Wales   Posted: 09/05/2009 08:28:26   Subject: LED lamps
Hi Mr Derrickman

I believe that these lamps are similar except that the ones that Miles sells are probably better and cheaper.

I shall have to update those pages soon as they are
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 04/05/2009 15:47:25   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
I am easy to whichever way everyone wants.
There is a good campsite at Morben Isaf which is on the main road between Machynlleth and Talybont.

I can be at Bwlch Glas in the afternoon,
Topic: Weather forecast web sites
royfellows

Forum: General Chat   Posted: 01/05/2009 09:51:44   Subject: Weather forecast web sites
Yes Mr ICLOK, and don’t forget AIDS and bird flue and asbestos, now there is an interesting one. Two completely different chemical compounds both with the same name, and cowboys dressed in ex WD NODDY
Topic: Weather forecast web sites
royfellows

Forum: General Chat   Posted: 30/04/2009 23:06:02   Subject: Weather forecast web sites
Your OK with me, Mr Carnkie.
Topic: Weather forecast web sites
royfellows

Forum: General Chat   Posted: 30/04/2009 21:51:43   Subject: Weather forecast web sites
Hi Stuey, I knew that you would come and stand by my side!

Advice to everyone, and its non political.
It’s still a free society, unless of course you stand up and heckle new L... sorry
Topic: Weather forecast web sites
royfellows

Forum: General Chat   Posted: 30/04/2009 21:18:29   Subject: Weather forecast web sites
[quote="carnkie"]I can see a water shortage on the horizon.
[url]http://www.metoffice.gov.uk/corporate/pressoffice/2009/pr20090430.html[/url][/quote]

I would not count on it, although
Topic: Weather forecast web sites
royfellows

Forum: General Chat   Posted: 30/04/2009 14:25:22   Subject: Weather forecast web sites
Try this one an join the revolution!
The deeper you go into it the more you will have reason to think.

[url] http://www.weatheraction.com/[/url]
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 29/04/2009 08:12:42   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
Brynyrafr is an easy handline job, walking boots are OK, no water.
You get into a huge stope going into the hillside, descend to the bottom down a rubble pile and you are looking up 100 feet.
Topic: High capacity AA rechargeable batteries?
royfellows

Forum: Exploration Chat   Posted: 28/04/2009 20:38:05   Subject: High capacity AA rechargeable batteries?
I have bought 3000 mAh ones from DX in Hong Kong and they are great especially considering the price of $5.45 US for 2.
Be advised that the voltages can vary a lot on rechargeables, from 1.2 to
Topic: More off the peg LED lamps.
royfellows

Forum: General Chat   Posted: 28/04/2009 09:01:20   Subject: More off the peg LED lamps.
If they can reach this kind of temperature for an output of 240 lumens I think it’s little to get excited about, also I cannot see a price in the link.
The problem here is obvious, its attempting
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 23/04/2009 10:39:05   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
[quote="davel"]Is there much to see in Hafan? I understand there are adits near the incline - do they lead to much?

Dave[/quote]

Simon H and his friends got into one years ago bu
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 22/04/2009 22:21:53   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
Kind thoughts good buddy,
You are correct in that there is not much to see down the pitch which requires full wet gear as water comes down on you. It is the outbye extension of the stope you see
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 22/04/2009 10:46:47   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
I dont mind doing trips Sat and Sunday, you may all well be out of Bwlch Glas by 1500 which would give time for another trip without interfering with any serious Sat night drinking plans.
The sa
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 22/04/2009 10:03:01   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
[quote="Colonel Mustard"][quote="royfellows"] Is anything arranged for the Sunday? Would there be any interest in Talybont Deep Mine?[/quote]

Definitely interested Roy. Thanks for the offer
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 22/04/2009 09:33:03   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
[quote="rufenig"]Do not want to be a prophet of doom but has anyone checked the two stagings in the shaft recently.
I know Roy did some work some time back but worth checking from underneath some
Topic: Oldham charger.
royfellows

Forum: Lamps & Lighting   Posted: 17/04/2009 21:31:14   Subject: Oldham charger.
[quote="Morlock"][quote="royfellows"]I would like to meet you sometime, if I do there is a pint for you.
Anyway, if its any use to you at all I have made an Oldham charger from a Farnell 5 volt P
Topic: Oldham charger.
royfellows

Forum: Lamps & Lighting   Posted: 17/04/2009 20:18:10   Subject: Oldham charger.
I would like to meet you sometime, if I do there is a pint for you.
Anyway, if its any use to you at all I have made an Oldham charger from a Farnell 5 volt PSU and a 0.47 ohm 10 watt resistor (0
Topic: Oldham charger.
royfellows

Forum: Lamps & Lighting   Posted: 17/04/2009 19:44:56   Subject: Oldham charger.
Hi Mr Morlock
Interesting bit of kit, but I am iffy about the 3 amps bit, assuming it’s correct.
The Oldham ammeters shown are reading 1 amp when needle is at the letter "C" in "Charge". Rig
Topic: Gwynfynydd Gold Mine - Access
royfellows

Forum: North Wales   Posted: 16/04/2009 20:30:18   Subject: Gwynfynydd Gold Mine - Access
I endorse what Mr Simply says, but for more info please refer to my posting on the 'other' website.
Topic: Damage in Smallcleugh
royfellows

Forum: General Chat   Posted: 15/04/2009 17:59:12   Subject: Damage in Smallcleugh
I did not want to get involved in this, however:

I was recently in a working mine watching hydraulically operated drilling rigs in action together with an automated conveyor system and unde
Topic: Coniston
royfellows

Forum: North West England   Posted: 09/04/2009 21:22:00   Subject: Coniston
Mr Jimbo's idea sounds better than mine and I go with it.

It’s also more logical as in computer directories and sub directories in the form of a tree, it’s the same in the Windows registry.
Topic: False flooring photos
royfellows

Forum: General Chat   Posted: 09/04/2009 18:21:47   Subject: False flooring photos
This is for the benefit of the less knowledgeable, to most of you it will be old hat.

Levels can be either crosscuts or drives.
A crosscut is driven through barren rock to cut a vein a
Topic: Bat Pillars / Entrances
royfellows

Forum: South West England   Posted: 07/04/2009 20:14:50   Subject: Bat Pillars / Entrances
This is how its done when its not someone elses money

Frongoch adit shaft, capped by RF/WMS 2002

[photo]Personal-Album-128-Image-32071[/photo]

EDIT
It cost me abo
Topic: Coniston
royfellows

Forum: North West England   Posted: 06/04/2009 17:37:22   Subject: Coniston
My suggestion is to re-arrange areas such as this with a main and sub name system separated by a colon. For instance "Coniston Copper Mines: Hospital Level" and "Nenthead Mines: Smallcleugh"
In t
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 06/04/2009 09:45:26   Subject: My Oldham Conversions
I have been using my lamp underground this weekend re-timbering at Frongoch.
I have to say that I am more than pleased; this lamp will run 2 Cree Q5s at 1050 mA each (AMC 7135 drivers) so must be
Topic: Prototype StenLight waterproof battery
royfellows

Forum: Lamps & Lighting   Posted: 01/04/2009 18:32:02   Subject: Prototype StenLight waterproof battery
Ha!
This has started Roy athinking
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 01/04/2009 18:30:37   Subject: My Oldham Conversions
Beware the Oldham switch as well, use a little Vaseline or similar. One of my tests discovered a ridiculous 1.4 ohms at the switch, twiddling it caused the meter to drop to zero. When I used Oldhams '
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 31/03/2009 19:50:22   Subject: My Oldham Conversions
[quote="royfellows"]I will think about this one.

I have some results on testing etc.
The 2 parallel Li Ion power packs will not support 4 Crees, I now have them on direct drive and the
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 31/03/2009 19:30:36   Subject: My Oldham Conversions
Hi Mr Morlock
This is an absolutely superb job and does you great credit.
How long did it take you to make?
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 27/03/2009 20:44:18   Subject: My Oldham Conversions
Hi Mr Morlock, nice to hear from you again.

I would say that its basically the same as for any other high power LED such as Q5, and in that, its rather arbitrary as nothing appears to be en
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 27/03/2009 19:40:10   Subject: My Oldham Conversions
<<<< He's back!!!
Topic: Longrake in the 1980s
royfellows

Forum: Midlands   Posted: 27/03/2009 09:03:43   Subject: Longrake in the 1980s
Nice photographs Martin, well done.
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 26/03/2009 12:11:53   Subject: My Oldham Conversions
I have found where my avatar was hiding, he was in a back up disk hoping that he would not be noticed. My new lamp had frightened him away.
I shall try to coax him into wearing this and coming ba
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 26/03/2009 06:45:53   Subject: My Oldham Conversions
I will think about this one.

I have some results on testing etc.
The 2 parallel Li Ion power packs will not support 4 Crees, I now have them on direct drive and they only run at half p
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 24/03/2009 18:21:05   Subject: My Oldham Conversions
Again for the benefit of those who do not use the 'other' site.

I have had the big one up and running and been underground with it; however I have problems with the electronics in as much a
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