Posts by royfellows

Showing 3777 results below:

Author	Message
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 09/10/2018 12:19:04 Subject: Li thium Ion Battery digest Reality check All energy forms are potentially dangerous. Any electric battery is a means of holding an electrical charge and if short circuited can cause fire or injury. Of cou
Topic: Item found - mid wales mine
royfellows	Forum: Exploration Chat Posted: 09/10/2018 09:37:34 Subject: Item found - mid wales mine If anyone has lost something at or near a mine in mid Wales in the last week please PM me
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 08/10/2018 14:49:06 Subject: Fellows lamps forum. Scorpion TGX, more design changes. I have improved the laminated glass which is now 5mm and am redesigning the front with new faceplates to accommodate this. Test results are startling
Topic: DIY lampbuilding - cheap ally headsets etc
royfellows	Forum: Lamps & Lighting Posted: 05/10/2018 16:50:34 Subject: DIY lampbuilding - cheap ally headsets etc There is some real bargains here could suit some DIY lamp enthusiast. http://www.customduo.co.uk/Bazaar/
Topic: Western Cyffty via Parc. Anyone been lately?
royfellows	Forum: North Wales Posted: 05/10/2018 16:26:54 Subject: Western Cyffty via Parc. Anyone been lately? [quote="SimonRL"][quote="royfellows"]I now have a secret weapon for the photography. The 32K torch![/quote] That's lumens, not £?! ;D[/quote] Lumens. I can take decent pics hand
Topic: Western Cyffty via Parc. Anyone been lately?
royfellows	Forum: North Wales Posted: 05/10/2018 13:17:07 Subject: Western Cyffty via Parc. Anyone been lately? Unsure about ACC but people used to do through trips, I had a conversation with someone once about it. I was once in Western Shaft at adit level and was talking to people on the surface, I had to
Topic: Western Cyffty via Parc. Anyone been lately?
royfellows	Forum: North Wales Posted: 05/10/2018 09:02:33 Subject: Western Cyffty via Parc. Anyone been lately? Thats good. Caplecleugh with gloop Must remember that :lol:
Topic: Western Cyffty via Parc. Anyone been lately?
royfellows	Forum: North Wales Posted: 05/10/2018 08:51:38 Subject: Western Cyffty via Parc. Anyone been lately? I have not got round to this as yet as still busy elsewhere. I just go for it, as long as no nose is clear I can breath OK. A buoyancy aid such as a life jacket or old inner tube would prob
Topic: Rampgill Level
royfellows	Forum: North West England Posted: 02/10/2018 21:34:58 Subject: Rampgill Level Water levels are good news as I will be up later in the month and want to do my fish trip now its possible again. I fully expect some 'fun' in the shale level though.
Topic: Making sense of the Parc Lead mine plan
royfellows	Forum: North Wales Posted: 02/10/2018 21:33:16 Subject: Making sense of the Parc Lead mine plan [quote="alex17595"] When you look down the chutes on the right hand sides, is this level 3 below? Or it is some false floor in the middle? I could see an awful lot of wood down there.[/quote]
Topic: Making sense of the Parc Lead mine plan
royfellows	Forum: North Wales Posted: 02/10/2018 18:58:03 Subject: Making sense of the Parc Lead mine plan I m back I am not very well but trying to stay on my feet. False floors on no 3. There is the obvious when you go onto Principal Lode as you come in, see the hole in the floor thr
Topic: Making sense of the Parc Lead mine plan
royfellows	Forum: North Wales Posted: 02/10/2018 17:53:08 Subject: Making sense of the Parc Lead mine plan Big mine. I will come back on this as I feel a bit off just now.
Topic: Making sense of the Parc Lead mine plan
royfellows	Forum: North Wales Posted: 01/10/2018 15:55:42 Subject: Making sense of the Parc Lead mine plan [quote="alex17595"] I did see the Eastern ladderway, is this the one with the bottom ladder missing? [/quote] Yes, you need SRT for that and finally the short vertical with
Topic: Making sense of the Parc Lead mine plan
royfellows	Forum: North Wales Posted: 01/10/2018 13:00:29 Subject: Making sense of the Parc Lead mine plan [quote="alex17595"]They are available on the files section of this facebook group. The full resolution Parc plans are plans 1+2. https://www.facebook.com/groups/403467143451765/files/
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 24/09/2018 13:24:31 Subject: Li thium Ion Battery digest I think that Morlock hit the nail on the head, even if it was jest. The paper needs peer review.
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 24/09/2018 11:01:49 Subject: Li thium Ion Battery digest Thinking about what I have written, I could have said "a conductor in its own right", except all of these attempts at simplification are actually wrong. The only scientifically correct way to describe
Topic: Smallcleugh Dig - Big Push
royfellows	Forum: North West England Posted: 24/09/2018 10:54:45 Subject: Smallcleugh Dig - Big Push Yes looks good even if it doesn't satisfy my RSJ fetish I may be up next month, depends on the weather.
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 24/09/2018 09:27:56 Subject: Li thium Ion Battery digest I think a few words of explanation will be helpful as well. 1/ Where a cell degrades and falls to zero volts or less. Less than zero relates to a condition whereby the cell beco
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 23/09/2018 21:09:44 Subject: Li thium Ion Battery digest Look at the authorship. Conditions can be created in a lab that would not happen in practice and the findings of such be used to fuel $cares.
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 23/09/2018 16:21:29 Subject: Li thium Ion Battery digest "Lithium-ion batteries connected in series are prone to be overdischarged." Are they now. I wonder who funded this study. Exon?
Topic: Smallcleugh Dig - Big Push
royfellows	Forum: North West England Posted: 22/09/2018 22:28:54 Subject: Smallcleugh Dig - Big Push Any chance of photo updates? I really am interested.
Topic: Li thium Ion Battery digest
royfellows	Forum: South Wales Posted: 22/09/2018 22:26:45 Subject: Li thium Ion Battery digest In reality there is little risk as even using unprotected cells in a torch, the light will go out before the cells become over discharged. The minimum cell voltage on most cells is about 2.5V and at t
Topic: Goginan Taylors Incline
royfellows	Forum: Mid Wales Posted: 20/09/2018 19:26:19 Subject: Goginan Taylors Incline I have been looking at the other shots and playing around in Photoshop to bring up the dark areas and zoom in etc. I can say with 99% certainty that the 60 is well and truly blocked beyond
Topic: Goginan Taylors Incline
royfellows	Forum: Mid Wales Posted: 16/09/2018 18:32:21 Subject: Goginan Taylors Incline During the drought the water level fell considerably, its now rising again, this gave unique opportunities to investigate the 60 fathom level. There is a drift on the lode straight ahead which with a
Topic: Advice for newbies and beginners...
royfellows	Forum: Midlands Posted: 16/09/2018 18:00:15 Subject: Advice for newbies and beginners... I have no difficulty finding my way out of anywhere, its the opposite direction to the way I came in. Paul, did you take all the string junk out? It is a bit trying I know having
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 12/09/2018 16:30:42 Subject: Fellows lamps forum. I have changed the design etc of the TGX. I have dumped the alternative models as likely to confuse the buyer and kept to one new design. This has the spot reflector plus one wide angl
Topic: Smallcleugh dig, sherpa event
royfellows	Forum: North West England Posted: 11/09/2018 20:33:53 Subject: Smallcleugh dig, sherpa event [quote="christwigg"] You only gain a perspective over many years when you start to remember the bits which have been gained and lost.[/quote] rather like my teeth, but I still do karat
Topic: Hafna Lead Mine Video
royfellows	Forum: North Wales Posted: 11/09/2018 12:51:03 Subject: Hafna Lead Mine Video Dave It will need updating with the safety work recently completed at Talybont, Wilkinsons Level. https://www.aditnow.co.uk/community/viewtopic.aspx?t=13301
Topic: Hafna Lead Mine Video
royfellows	Forum: North Wales Posted: 11/09/2018 12:09:10 Subject: Hafna Lead Mine Video Yes, its sense. And, if you look at it a slightly different way, damn good value for money and peace of mind as well if someone trips over your cowstail. :lol:
Topic: Hafna Lead Mine Video
royfellows	Forum: North Wales Posted: 11/09/2018 11:19:33 Subject: Hafna Lead Mine Video [quote="Praada"]Hi Paul, That CAL link to ask for permission doesn't work, what are the restrictions in place for users wanting to enter? There are 5 of us wanting to make this trip but onl
Topic: Dog rescue from mineshaft
royfellows	Forum: Mid Wales Posted: 05/09/2018 22:32:55 Subject: Dog rescue from mineshaft [quote="Rheidol United"]I wonder how accurate the 80 feet measurement is... how deep would you say is the shaft before becoming blocked Roy?[/quote] I will have a look at OT Jones in the mo
Topic: Dog rescue from mineshaft
royfellows	Forum: Mid Wales Posted: 05/09/2018 18:19:54 Subject: Dog rescue from mineshaft Being a fast mover I have just uploaded some pics, a few years back, 1996. Engine Shaft from just above the wheel pit. [link]115960[linkphoto]115960[/linkphoto][/link]
Topic: Dog rescue from mineshaft
royfellows	Forum: Mid Wales Posted: 05/09/2018 09:46:08 Subject: Dog rescue from mineshaft I have counted 20 rescuers in the photo but cannot see any helicopters. Years ago a dog fell down Francis's Shaft at Goginan and Simon Hughes and a couple of his mates rescued it. No fuss, no bo
Topic: Goginan Taylors Incline
royfellows	Forum: Mid Wales Posted: 04/09/2018 18:35:33 Subject: Goginan Taylors Incline This is just a heads up that the gate is now padlocked. This is because the site is used for family events and children have been going in. Access is easy to anyone with the BCA insurance, just c
Topic: Smallcleugh dig, sherpa event
royfellows	Forum: North West England Posted: 04/09/2018 18:15:30 Subject: Smallcleugh dig, sherpa event The work being done here is important to us all. It is unfortunate that I will not be up to help, I have a lot going on at the moment. All I can say is "Good luck"
Topic: Hafna Lead Mine Video
royfellows	Forum: North Wales Posted: 03/09/2018 17:49:17 Subject: Hafna Lead Mine Video [quote="Paul Marvin"] Parc Lead Mine coming soon ;)[/quote] email on the way
Topic: Calendar 2019 - just one month left to fill!
royfellows	Forum: General Chat Posted: 31/08/2018 19:42:37 Subject: Calendar 2019 - just one month left to fill! Try asking for some surface shots, they can always say its a brick factory :lol:
Topic: Calendar 2019 - just one month left to fill!
royfellows	Forum: General Chat Posted: 30/08/2018 21:25:23 Subject: Calendar 2019 - just one month left to fill! [quote="SimonRL"] Cornwall - in 12 years we've only ever had 2 Cornish images [/quote] "No mines round here mate"
Topic: Stenlight parts
royfellows	Forum: Lamps & Lighting Posted: 30/08/2018 21:23:33 Subject: Stenlight parts [quote="Vanoord"][quote="royfellows"] Chinese junk? :lol:[/quote] Well... they do say ".....fire" on them. They're charging on my desk. Nt risking leaving them unatten
Topic: Stenlight parts
royfellows	Forum: Lamps & Lighting Posted: 30/08/2018 14:18:28 Subject: Stenlight parts [quote="Vanoord"][quote="royfellows"]The battery box looks very good. I assume that the cells are connected in series and not parallel? As I understand it, Stenlights wont work below
Topic: Stenlight parts
royfellows	Forum: Lamps & Lighting Posted: 30/08/2018 11:18:32 Subject: Stenlight parts [quote="SimonRL"]Stens work on 6-18V.[/quote] http://www.stenlight.com/tech-faq.htm
Topic: Stenlight parts
royfellows	Forum: Lamps & Lighting Posted: 30/08/2018 11:06:41 Subject: Stenlight parts The battery box looks very good. I assume that the cells are connected in series and not parallel? As I understand it, Stenlights wont work below 5.2V. No disrespect, but I think
Topic: Photo query: Fotty & Bowydd
royfellows	Forum: North Wales Posted: 28/08/2018 11:12:36 Subject: Photo query: Fotty & Bowydd I concur with this as there is a 'thingy' in front of the building that matches both photographs. Sorry about the false lead.
Topic: Photo query: Fotty & Bowydd
royfellows	Forum: North Wales Posted: 26/08/2018 16:27:36 Subject: Photo query: Fotty & Bowydd I would say here, the building being modified at some later date by addition of chimney etc. It does look like an addition in my photo? [link]25180[linkphoto]25180[/linkphoto][/link]
Topic: Long Rake Name Clarification
royfellows	Forum: Midlands Posted: 15/08/2018 16:22:48 Subject: Long Rake Name Clarification Without coming across as a killjoy the above posts explain why the owners want people to stay out. I certainly do. Plenty of other mines to explore assuming one is in sufficient health to enjoy them.<
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 15/08/2018 15:52:42 Subject: Fellows lamps forum. Back to the TGX, just completed duration test. Standard Mode gave full light for 12 hours then went into a 'slow death' cycle for up to 20 hours when light was that low as to be practically
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 15/08/2018 09:30:16 Subject: Fellows lamps forum. The MagnumStar is ridiculously heavy but is was the platform which was the first caplamp to put 1000 lumens on someones head. Since then things have moved forward a lot. Issue up until
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 14/08/2018 21:45:00 Subject: Fellows lamps forum. [quote="The Fresh Prince of Portreath"]My Trigon and MS both need some love. At some point, I'll have to send them. [/quote] You been saying this for 12 months, I dont look out for th
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 14/08/2018 17:33:14 Subject: Fellows lamps forum. After the fall of the Samurai in the late 19th century they were forbidden to carry the swords in public or wear the 'topknot' in their hair. Those caught were publicly humiliated by having the topkno
Topic: Fellows lamps forum.
royfellows	Forum: Lamps & Lighting Posted: 14/08/2018 15:11:12 Subject: Fellows lamps forum. [quote="The Fresh Prince of Portreath"]Last of the big bat cookers :( A sad sentence to read. It's like saying you are exiting the world of building dragsters and getting a job

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