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Posts by royfellows

Showing 3911 results below:

Author Message
Topic: Tesco torch Question??
royfellows

Forum: North West England   Posted: 12/03/2009 19:59:55   Subject: Tesco torch Question??
[quote="Knocker"]I would say wihout a doubt over 100 lumens. I had a Cree Q5 on max power earlier and the Tesco C was outshining it, so that has to be in the region of 200lumens[/quote]

Sor
Topic: Old Gang
royfellows

Forum: North East England   Posted: 11/03/2009 21:09:18   Subject: Old Gang
I have just seen this and am not an expert at all on this area, however;
spoil with timbers protruding can in my experience indicate either of 2 things

1 They are the remaining upright
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 10/03/2009 18:42:42   Subject: My Oldham Conversions
I have just completed the dedicated charger designed to take 2 of the Li Ion power packs. The central red light indicates mains power, the others above each charge socket are red indicating on charge,
Topic: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
royfellows

Forum: Events   Posted: 09/03/2009 10:13:09   Subject: New event added 'Bwlchglas Lead Mine SRT Trip' on 16/05/2009 at 10:00
Advise
The deep adit itself is explorable in full wet gear to the point where it is blocked by a fall from the stope above.
At this point there is a winze with a very attractive kibble and o
Topic: Build Your Own Beam Engine for £12.50p
royfellows

Forum: General Chat   Posted: 27/02/2009 20:45:47   Subject: Build Your Own Beam Engine for £12.50p
[quote="PeteHall"][quote="royfellows"]
I have some serious fantasies about nurses, but its a family website.
Just changed my brand of lager, maybe some side effects.[/quote]

A fri
Topic: Build Your Own Beam Engine for £12.50p
royfellows

Forum: General Chat   Posted: 27/02/2009 19:25:49   Subject: Build Your Own Beam Engine for £12.50p
[quote="Gwyn"]Far from it for me to comment on the medical regime that various members are subject to, although, I do notice that one considers that the nurses are stealing his clothes! ;)
[/qu
Topic: Herodsfoot Shaft (photo)
royfellows

Forum: South West England   Posted: 25/02/2009 18:59:51   Subject: Herodsfoot Shaft (photo)
[quote="ferret"]
stone linned too so should be fairly stable![/quote]

I would counsel some caution here in that sometimes the stone ginging is supported on timbers that are in turn sup
Topic: Frongoch: Please keep out for now
royfellows

Forum: Mid Wales   Posted: 23/02/2009 16:27:58   Subject: Frongoch: Please keep out for now
I am currently doing some serious re-timbering in the Frongoch adit. The situation is far worse than I though and I would respectfully ask people to stay out for time being.
I dont believe that t
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 20/02/2009 17:58:44   Subject: Power of Beam Engines
In my first post:
"Without referencing any written work I would tend to suggest that actual horsepower is an arbitrary value."

Further
I don’t think anyone owes anyone an apology,
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 20/02/2009 15:03:48   Subject: Power of Beam Engines
[quote="Morlock"]Thanks Roy.
As you may gather I have a firm belief that the vacuum provides a considerable portion of the power in low pressure engines (40 PSI and lower).
This belief is ba
Topic: Should I just give up mine exploring?!?
royfellows

Forum: General Chat   Posted: 20/02/2009 12:09:23   Subject: Should I just give up mine exploring?!?
Hi Mr Skippy
So no. The next time up will be Easter.
Busy diggin in Wales this weekend.
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 20/02/2009 11:34:19   Subject: Power of Beam Engines
Gentlemen, as this discussion appears to be turning back towards the purpose of the condenser etc, I hope that you will both forgive me for this posting. The reason for this is that I feel that in my
Topic: Horse gins
royfellows

Forum: General Chat   Posted: 19/02/2009 20:21:02   Subject: Horse gins
Mr JR? (didnt you get shot a few years ago on TV?)

Joking aside, I have just learned something I didn't know, many thanks for that.
Topic: Should I just give up mine exploring?!?
royfellows

Forum: General Chat   Posted: 19/02/2009 20:04:09   Subject: Should I just give up mine exploring?!?
[quote="Peter Burgess"]Indeed, "as you were", please. One of the things I really like about this website is the real lack of political debate (otherwise known as pointless argument). In that respect i
Topic: Horse gins
royfellows

Forum: General Chat   Posted: 19/02/2009 19:36:38   Subject: Horse gins
Everyone knows what the one looks like, so here is the other

[photo]Alltycrib-Mixed-Mine-User-Album-Image-30158[/photo]
Topic: Should I just give up mine exploring?!?
royfellows

Forum: General Chat   Posted: 19/02/2009 19:12:25   Subject: Should I just give up mine exploring?!?
I wont bring politics into this site but whtever they do we still have elections, which gives up a voice and them something to worry about.
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 20:58:12   Subject: Power of Beam Engines
Gentlemen, I have enjoyed your company and the lively discussion, but I am now shutting down for the evening.

EDIT
Final thought before I shut down. We are never all going to agree on
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 20:52:29   Subject: Power of Beam Engines
I cant get this quote to work for some reason.

I was going to quote Mr Spitfires last but one.

If the condenser isn't really doing anything, then why did those marvellous enginee
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 20:48:54   Subject: Power of Beam Engines
I cant get this quote to work for some reason.

I was going to quote Mr Spitfires last but one.

If the condenser isn't really doing anything, then why did those marvellous enginee
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 20:26:38   Subject: Power of Beam Engines
I know nothing about steam locos, so please advise. I understand that there is a cylinder each side of the loco.
Are they acting together or alternately?
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 19:27:57   Subject: Power of Beam Engines
[quote="spitfire"]I can't see what you're driving at there, of course there has to be a point where steam is shut off that applies to any steam engine!
Also Mr Morloc states in a previous post th
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 18:17:40   Subject: Power of Beam Engines
Thinking about this a little further, let us for the sake of argument take the equilibrium valve, condenser, and whole shooting match out of the equation, and see what would happen.
There has to
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 17/02/2009 17:40:27   Subject: Power of Beam Engines
I am following this with interest.
Mr Spitfire, I don’t understand what you mean by "the condenser must be ignored" What I am postulating is that the vacuum created below the piston must offer so
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 22:20:15   Subject: Power of Beam Engines
This looks really good.
In effect, Boulton and Watt manages to produce an engine where the 'spent' steam was put to very good use, both automating the sequence of events relative to the operation
Topic: What is it?
royfellows

Forum: North East England   Posted: 16/02/2009 22:02:54   Subject: What is it?
[quote="Bob Pit"]Is there any WW11 activity recorded in the area? The emplacement for a 40mm mobile Bofors AA looks very similar, ie a slightly domed circular plateau surrounded by a wall of sandbags,
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 21:55:33   Subject: Power of Beam Engines
Just tried it, still NG
OK why not upload the image to aditnow?
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 21:37:16   Subject: Power of Beam Engines
[quote="Morlock"]

How do I get the image to work?[/quote]

I have pasted your URL into the address bar of my browser and got a photobucket error message

"Image moved or
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 21:28:46   Subject: Power of Beam Engines
Sorry Mr Morlock, cannot view your image.

EDIT
I see your edit, do I take it that we are in agreement?
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 21:22:49   Subject: Power of Beam Engines
After "the dumping of the steam below the piston" the exhaust valve would open which connected the space below the piston to the condensor. The steam below the piston would therfore condense forming a
Topic: Wheal Sterran Tin Mine - Cornwall (photos)
royfellows

Forum: South West England   Posted: 16/02/2009 17:04:13   Subject: Wheal Sterran Tin Mine - Cornwall (photos)
[quote="stuey"]My point was that there is a slide and the working aggies side are shallow and the other ones deeper. The adit roy dug goes to stoping..... the other side goes to a big shaft with a lev
Topic: New mine ladder for Frongoch
royfellows

Forum: Mining Methods & Techniques   Posted: 16/02/2009 16:51:15   Subject: New mine ladder for Frongoch
For what its worth, it is now in place.
I have more work to do inside the mine, replacing some rotten timbering where the adit passes through a stoped section.

I learned a bitter lesso
Topic: Power of Beam Engines
royfellows

Forum: General Chat   Posted: 16/02/2009 14:48:50   Subject: Power of Beam Engines
Without referencing any written work I would tend to suggest that actual horsepower is an arbitrary value.
Generally, an engine that was being overworked would only manage a decreasing number of
Topic: What is it?
royfellows

Forum: North East England   Posted: 16/02/2009 14:33:11   Subject: What is it?
[quote="Manxman"]Came across this in a field just over the river near Allenheads and opposite the entrance to the Haugh level (a much smaller version of the Nentforce level). My first thought was that
Topic: Mining Letterheads & Share Certificates
royfellows

Forum: General Chat   Posted: 16/02/2009 13:51:21   Subject: Mining Letterheads & Share Certificates
The Tregontrees and Old Polgooth is of considerable interest as it was one of the fraudulent companies operated by the notorious Joseph Fell at around that time. The signature at the bottom looks like
Topic: New mine ladder for Frongoch
royfellows

Forum: Mining Methods & Techniques   Posted: 14/02/2009 08:12:52   Subject: New mine ladder for Frongoch
[quote="SimplyExploring"]what timber did u use Roy? Oak or something other?[/quote]

No its just ordinary carcassing timber, but it is pre-treated.
Its very cheap from builders merchant
Topic: New mine ladder for Frongoch
royfellows

Forum: Mining Methods & Techniques   Posted: 14/02/2009 07:43:53   Subject: New mine ladder for Frongoch
Hi Roy
We maybe talking about the same thing, only I didn't know the correct name for it.
I said "bar stock", it’s actually the stuff used for reinforcing concrete and has little ribs.
Topic: New mine ladder for Frongoch
royfellows

Forum: Mining Methods & Techniques   Posted: 13/02/2009 18:16:52   Subject: New mine ladder for Frongoch
Just constructed, another Welsh Mines Society de-luxe mine ladder, 4X2 carcassing timber and half inch steel bar stock rungs. Destination, Frongoch ladder shaft tomorrow.

[link]Personal-Alb
Topic: Should I just give up mine exploring?!?
royfellows

Forum: General Chat   Posted: 12/02/2009 09:31:21   Subject: Should I just give up mine exploring?!?
It’s possible that the bill may have asked to see your pictures because he was interested. It’s easy for anyone to be misunderstood.

Having said this, I have been lead to understand that th
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 11/02/2009 21:16:36   Subject: My Oldham Conversions
This looks a good design from the pictures as you have a really good thermal contact beteen your LED mounting and the front extension. An obvious advantage to proper tooling and the ability to machine
Topic: My Oldham Conversions
royfellows

Forum: Lamps & Lighting   Posted: 11/02/2009 17:16:14   Subject: My Oldham Conversions
There has been a lot of LED lamp building activity and people posting details of their endeavours on the other mine-explorer.co.uk website. Miles Moulding has produced some outstanding lamps himself,
Topic: Latest Cwmystwyth Archive Photos
royfellows

Forum: Mid Wales   Posted: 09/02/2009 19:46:01   Subject: Latest Cwmystwyth Archive Photos
The latest batch of Cwmystwyth archive photos are brilliant, however one may be in the wrong album.

See below and the same place today, so where is it, without reading the URL?

[
Topic: Secret entrance (photo)
royfellows

Forum: North West England   Posted: 03/02/2009 13:25:19   Subject: Secret entrance (photo)
[quote="Jasonbirder"]Surely easier access will just speed the detoration of the Horse Whim?
The old route would have been fine for quite some time before it became impassable...[/quote]

Topic: Secret entrance (photo)
royfellows

Forum: North West England   Posted: 02/02/2009 20:05:47   Subject: Secret entrance (photo)
Mr Mike and friends, hindered by me, had a go at this last year, putting timber in etc.
You will have to get the current sitrep of Mr Mike.
Topic: Mine fire
royfellows

Forum: General Chat   Posted: 02/02/2009 14:52:35   Subject: Mine fire
There was one years ago near where I live at Great Wyrley, Grove Colliery now disused.
When I was a kid we used to climb the tips to where a fissure issued smoke and fumes. I can remember seeing
Topic: Crashed Airplane at Cwmorthin
royfellows

Forum: General Chat   Posted: 27/01/2009 21:22:50   Subject: Crashed Airplane at Cwmorthin
Re post by Mr Wormster, and no disrespect intended.
Years ago, about 1985, I was up exploring Rhosydd. I had left my lady friend Maureen at the adit entrance.
When I came out she was very cr
Topic: Mine research question
royfellows

Forum: General Chat   Posted: 22/01/2009 12:56:57   Subject: Mine research question
Just a bit extra worth adding.
National Archives do a 'top 10 sheets' by email for about £8 although this is very hit or miss, unless of course the company records only number 10!
They also
Topic: Mine research question
royfellows

Forum: General Chat   Posted: 22/01/2009 11:15:07   Subject: Mine research question
Any mine or area may have already been the subject of some research and published work. However, any historian or researcher can make errors, something to remember.

There is also the Britis
Topic: Wheal Sterran Tin Mine - Cornwall (photos)
royfellows

Forum: South West England   Posted: 20/01/2009 19:34:10   Subject: Wheal Sterran Tin Mine - Cornwall (photos)
Wait until you see the caplamps I am building, that will put your temperature up.

"Come round to my place and I will show you my LEDs"

Get lit up with Roy

Topic: WCMRG Explorations, Smallcleugh
royfellows

Forum: North West England   Posted: 20/01/2009 19:31:12   Subject: WCMRG Explorations, Smallcleugh
I numbered the parts as to cover the mines dealt with in the journals, Smallcleugh was my part 2.

Topic: Rotherhope Fell Lead Mine
royfellows

Forum: North West England   Posted: 20/01/2009 19:26:35   Subject: Rotherhope Fell Lead Mine
The mine is on private land owned by Mr Frank Shepheard. There was a meet there last summer when Mr Shepheard kindly drained the mine, which is in use as a water supply, to allow entry.
Although
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