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Posts by royfellows

Showing 4236 results below:

Author Message
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 20:21:12   Subject: 3W Cree torches in Tesco's
Try carrying an Imolent DX 80, it holds 8 X 18650s, and they do bigger torches!

Why I built my 'special'.
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 17:05:56   Subject: 3W Cree torches in Tesco's
:lol::lol::lol::lol::lol: I cant stop it
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 17:05:24   Subject: 3W Cree torches in Tesco's
I am not going to even try "quote"

Now bringing my workbench into it is hitting below the belt.
Please dont think that the rest of the house is......

Oh sod it
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 15:57:22   Subject: 3W Cree torches in Tesco's
The photo missing from a previous post, sure I pasted it in?

[link]119871[linkphoto]119871[/linkphoto][/link]

Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 15:54:19   Subject: 3W Cree torches in Tesco's
I dont know. If its my fault I really am sorry.

The LED has just failed due to overheat as the heat sink, an old computer PCB heat sink, became seriously hot. I have set up anew experiment
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 15:35:29   Subject: 3W Cree torches in Tesco's
Apologies over my last, something go wrong.

Just for the fun of it, I have taken an old, much used, Cree XPL and connected it to my lab power supply at 6 amps. This is double the maximum re
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 13:24:09   Subject: 3W Cree torches in Tesco's
Just moving on a bit, anyone who messes with LEDs would be wise to grab a pair of welding goggles. Seriously.
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 13:21:50   Subject: 3W Cree torches in Tesco's
[quote="lozz"][quote="royfellows"]You cant compare a quad die Light Emitting Diode with other semi conductor components in this respect, the latter normally being subject to a tolerance of as little a
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 12:13:12   Subject: 3W Cree torches in Tesco's
I was just about to go and get some shipping but turned back as something occurred.

You cant compare a quad die Light Emitting Diode with other semi conductor components in this respect, th
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 11:58:14   Subject: 3W Cree torches in Tesco's
They don't suddenly go splat, except from overheat. They then take a blue tinge and die.

Overdrive, to go splat they need a lot more current.

As I said, Imolent are overdriving X
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 17/02/2020 10:07:29   Subject: 3W Cree torches in Tesco's
[quote="Speedycaver"][quote="royfellows"]

If you extrapolate the output graph you will get the output they state 1500 mA.[/quote]

Ah yes, I see.
It would give a fv of over 1
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 16/02/2020 21:07:08   Subject: 3W Cree torches in Tesco's
Just another comment about the overdrive on the XHP 35s

if one casts ones memory back a few years to when the XPGs were first announced, they did exactly the same thing. Max recommended dri
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 16/02/2020 19:12:17   Subject: 3W Cree torches in Tesco's
[quote="Speedycaver"]

Looking at the links you provided for the torches and LED's always makes me giggle when they state the 'Manufacturers Lumen Output'. Pretty impressive when one of the
Topic: Croesor Rhosydd TT - latest gear/boat situation?
royfellows

Forum: North Wales   Posted: 15/02/2020 21:58:30   Subject: Croesor Rhosydd TT - latest gear/boat situation?
I swam the 2 with bridges many years ago using a rubber air bed as an aid.
:lol:
Topic: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
royfellows

Forum: General Chat   Posted: 15/02/2020 20:13:03   Subject: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
I get the point about the click bait titles.

Thing is though, the web is full of mine exploration videos and criticism is a bit like peeing against the wind. Cave rescue did a Cwmystwyth, d
Topic: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
royfellows

Forum: General Chat   Posted: 15/02/2020 19:01:06   Subject: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
Worth mentioning is that UKAME also have a intro page to their vids with the appropriate warnings etc..

I think that they just need to leave coal mines and sensitive sites out of the equati
Topic: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
royfellows

Forum: General Chat   Posted: 15/02/2020 16:55:58   Subject: Video Explore : Crawling Through The Shale : A Brownley Hill Adventure
Lets be fair. These guys have proper equipment and Nenthead mines are hardly sensitive.

Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 14/02/2020 15:15:25   Subject: 3W Cree torches in Tesco's
You make a very good point.
I have often wondered why no 18650 Li Ion powered torches or cells anywhere except on the web?

Its mad.

Tony, my "Roy on torches" is possibly wor
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 12/02/2020 16:41:54   Subject: 3W Cree torches in Tesco's
[quote="lozz"][quote="royfellows"]Err, this is a 10 year old thread and technology not to mention availability has moved forward a bit.[/quote]

In context of the thread and date....silicone
Topic: 3W Cree torches in Tesco's
royfellows

Forum: Lamps & Lighting   Posted: 12/02/2020 16:02:00   Subject: 3W Cree torches in Tesco's
Err, this is a 10 year old thread and technology not to mention availability has moved forward a bit.
Topic: Premier Cap Lamp - Chronology
royfellows

Forum: Lamps & Lighting   Posted: 06/02/2020 22:19:58   Subject: Premier Cap Lamp - Chronology
There has been an inquiry for parts on UKC, so still some interest.

Anyway, Caving Supplies took them over some time ago and still list and sell parts. They may have an old catalogue or two
Topic: Roy on torches
royfellows

Forum: Lamps & Lighting   Posted: 06/02/2020 09:26:44   Subject: Roy on torches
Its mainly Chinese New Year which is in February, the holiday has been extended because of the virus.
Topic: Sten
royfellows

Forum: General Chat   Posted: 04/02/2020 18:58:19   Subject: Sten
Hey Simon, thanks for this info!

I was unaware that the thermal tape would soften if heat was applied. The stuff I use (Farnell) seems to work the other way round!

Your post is t
Topic: Sten
royfellows

Forum: General Chat   Posted: 04/02/2020 11:41:30   Subject: Sten
Just for the record.
I have Simon's stock of parts which does not include lamp cables or PCBs. The PCBs are not removable without destruction of them but I can replace LEDs.

I have ne
Topic: Sten
royfellows

Forum: General Chat   Posted: 03/02/2020 10:28:21   Subject: Sten
I can modify Stenlights to run on one of my 2 cell power banks by fitting an XT 60 connector. I can if required make an adaptor that does not need any modification to the lamp.

Be advised t
Topic: Exploring with Fighters - a warning to all mine explorers, cavers and URBEXers
royfellows

Forum: General Chat   Posted: 28/01/2020 18:35:13   Subject: Exploring with Fighters - a warning to all mine explorers, cavers and URBEXers
I have to admit that the image of Mr Dixon brandishing his tattoos and silly mask is something I find mildly irritating.
Topic: Croesor Rhosydd TT - latest gear/boat situation?
royfellows

Forum: North Wales   Posted: 28/01/2020 18:14:42   Subject: Croesor Rhosydd TT - latest gear/boat situation?
On behalf of Cambrian Mines Trust I would like to thank Simon for the long awaited photograph for our website.

http://www.cambrianmines.co.uk/board.htm
Topic: Croesor Rhosydd TT - latest gear/boat situation?
royfellows

Forum: North Wales   Posted: 28/01/2020 14:18:37   Subject: Croesor Rhosydd TT - latest gear/boat situation?
Hi Tony, your last posting was 4 years ago.
How are you? Are you in the UK or US?

Be great to meet up some time
Topic: Cwm Cynfal copper mine
royfellows

Forum: North Wales   Posted: 24/01/2020 13:00:58   Subject: Cwm Cynfal copper mine
I am thinking that an abseil to the bottom of the gorge would be worthwhile to ascertain whether there is a deeper adit.
Apart from the scheme, we could be missing something.
Topic: Exploring with Fighters - a warning to all mine explorers, cavers and URBEXers
royfellows

Forum: General Chat   Posted: 24/01/2020 11:39:19   Subject: Exploring with Fighters - a warning to all mine explorers, cavers and URBEXers
At least that mob wear head protection, more than can be said for EWF. I wonder if their videos could be seen as an encouragement to risk. If someone emulates them and gets injured, could result in a
Topic: Great County Adit
royfellows

Forum: New recruits!   Posted: 22/01/2020 17:05:19   Subject: Great County Adit
So in other words, all this is down to our 'wonderful' technology, jolly old satnav route over the cliff etc.

Why am I not surprised.
Topic: Fellows lamps forum.
royfellows

Forum: Lamps & Lighting   Posted: 22/01/2020 15:53:48   Subject: Fellows lamps forum.
I am now using the final version of the Scorpion X16 for general exploration, but a Dragon for working. The X16 is total, trust me.

I still have my own Lynx X12, although used quite a bit i
Topic: Great County Adit
royfellows

Forum: New recruits!   Posted: 22/01/2020 15:21:57   Subject: Great County Adit
I am puzzled, if I have the right photo, how that could be taken for the old Great County Adit in Cornwall.

The discharge of water, or lack of it, should be the great give away. Unless I am
Topic: Roy on torches
royfellows

Forum: Lamps & Lighting   Posted: 22/01/2020 14:48:23   Subject: Roy on torches
Continuing my mini series

The Fellows Special described above is going very well. Light and compact enough to slip into a pocket and yet so powerful it is now my spare light of choice. The
Topic: Tipton coal mine portal (photo)
royfellows

Forum: Midlands   Posted: 22/01/2020 09:00:29   Subject: Tipton coal mine portal (photo)
Windows has Windows Photo Viewer but silly Microsoft has not put a shortcut to it in the menu, at least not in Win 7 which I use.

So a lot of people are using software which comes with came
Topic: Great County Adit
royfellows

Forum: New recruits!   Posted: 21/01/2020 20:24:14   Subject: Great County Adit
Its now obliterated so nothing secret. Unsure where it emerged but the concrete capped shaft other side of the stream connected with it.
So I believe.
Topic: South Crofty - current situation?
royfellows

Forum: South West England   Posted: 16/01/2020 12:56:46   Subject: South Crofty - current situation?
At this point I have to say, (and he wont get his head through the door afterwards), Stuey is an absolute oracle of knowledge, and indeed, usually hits the nail right on the head, even if it needs tra
Topic: South Crofty - current situation?
royfellows

Forum: South West England   Posted: 15/01/2020 18:01:27   Subject: South Crofty - current situation?
He's unique!

EDIT
OK, try one of mine

"Woke investor grooming"

What think?

Topic: South Crofty - current situation?
royfellows

Forum: South West England   Posted: 15/01/2020 17:28:37   Subject: South Crofty - current situation?
:lol::lol::lol:

At his best!
Topic: South Crofty - current situation?
royfellows

Forum: South West England   Posted: 06/01/2020 11:35:42   Subject: South Crofty - current situation?
It is totally pathetic.

A person is what they are, not what they own.
Topic: Cwm Cynfal copper mine
royfellows

Forum: North Wales   Posted: 27/12/2019 16:54:28   Subject: Cwm Cynfal copper mine
[quote="nigeln1"]When I went in here about 10 years ago the collapse at the end of the level was easily dug through in under half an hour to give access to the stope. The highest point of the stope f
Topic: Cambrian Slate, Glyn Ceriog
royfellows

Forum: North Wales   Posted: 27/12/2019 08:57:25   Subject: Cambrian Slate, Glyn Ceriog
Thank you
Topic: Cambrian Slate, Glyn Ceriog
royfellows

Forum: North Wales   Posted: 26/12/2019 14:21:14   Subject: Cambrian Slate, Glyn Ceriog
I have been having a photo shoot with all the fancy lighting, I Imolent DX80, 1 x fellows torch 9k lumens, 1 X16 caplamp 9K lumens.

In previous threads people have commented that the air is
Topic: Merry Christmas 2019
royfellows

Forum: General Chat   Posted: 26/12/2019 13:52:59   Subject: Merry Christmas 2019
About 1430?
I think I heard you.

I now have a very anonymous looking Skoda, a sort of metallic colour and look for FT in the number plate and a back full of gear.
Topic: Merry Christmas 2019
royfellows

Forum: General Chat   Posted: 26/12/2019 11:55:02   Subject: Merry Christmas 2019
Yesterday was Christmas day, and the weather was brilliant. So tradition to the wind, I loaded the car and set off out for the day. A walk around Glyn Ceriog and some underground photography, and then
Topic: RF Light Found
royfellows

Forum: North Wales   Posted: 24/12/2019 17:13:01   Subject: RF Light Found
See if the downlighters come on when you connect the battery, I changed the design a while back and this would narrow it down.

Only Scorpions are serial numbered.

Oh yes, and be
Topic: RF Light Found
royfellows

Forum: North Wales   Posted: 24/12/2019 16:59:55   Subject: RF Light Found
If its one of new Scorpions (square) there will be a serial number on the base, if so, pm me.
Topic: Merry Christmas 2019
royfellows

Forum: General Chat   Posted: 24/12/2019 09:49:36   Subject: Merry Christmas 2019
Happy Christmas from Roy. I live on my own so nothing seasonal really goes on here, but tomorrow, Christmas Day, looks good sunshine, so might just............

So why not?
Topic: Cambrian Slate, Glyn Ceriog
royfellows

Forum: North Wales   Posted: 23/12/2019 15:10:42   Subject: Cambrian Slate, Glyn Ceriog
[quote="NewStuff"]The blockage that is on the dogleg in the tunnel between the 2 workings? It's what's holding back the entirety of the flooded Aberlas workings that are dived regularly. Most of it is
Topic: Cambrian Slate, Glyn Ceriog
royfellows

Forum: North Wales   Posted: 23/12/2019 14:34:51   Subject: Cambrian Slate, Glyn Ceriog
I have been mooching around there and from looking at the mine plan am somewhat puzzled.

From the plan I assume that the pink section inc the outer drainage adit is the workings most visite
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