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Posts by lozz

Showing 1033 results below:

Author Message
Topic: Backache
lozz

Forum: General Chat   Posted: 12/07/2019 21:29:09   Subject: Backache
Hand mucking out in poorly ventilated sub level inters that had been driven by a short fella down a Cornish tin mine was a recipe for back ache and sweat ache for sure, when the geologist and the shif
Topic: Electrical Engineer Help Needed!
lozz

Forum: General Chat   Posted: 30/05/2019 18:33:18   Subject: Electrical Engineer Help Needed!
So far as I can make out it's a split field DC generator, normally each set of field coils would be fed via its own regulator circuit, thus allowing more current to be generated at low revs than would
Topic: Historic photo archive
lozz

Forum: General Chat   Posted: 24/02/2019 13:25:20   Subject: Historic photo archive
County Hall (not CRO) Truro used to have the aerial photos (or copies of) taken post WW2 ('46 to '50 ish) from camera enabled Spitfires etc, I managed to get a copy of one for next to nowt on a person
Topic: Magnetic Dec.
lozz

Forum: General Chat   Posted: 25/11/2018 15:51:40   Subject: Magnetic Dec.
Not sure if this link has been posted before, it's quick and easy to use, just tried it with a known reference I had from the BGS a while back, more or less spot on, handy for old mine plans that only
Topic: Li thium Ion Battery digest
lozz

Forum: South Wales   Posted: 24/09/2018 20:35:33   Subject: Li thium Ion Battery digest
[quote="ChrisJC"][quote="lozz"]A cells voltage or the voltage from any other voltage source cannot fall below 0 volts, only it's sign can change from a given reference point.

Lozz.[/quote]<
Topic: Li thium Ion Battery digest
lozz

Forum: South Wales   Posted: 24/09/2018 11:39:38   Subject: Li thium Ion Battery digest
A cells voltage or the voltage from any other voltage source cannot fall below 0 volts, only it's sign can change from a given reference point.

Lozz.
Topic: Li thium Ion Battery digest
lozz

Forum: South Wales   Posted: 23/09/2018 09:45:31   Subject: Li thium Ion Battery digest
"a cell voltage lower than 0V can occur"

Nope.

Lozz.
Topic: Daventry
lozz

Forum: Midlands   Posted: 14/05/2018 12:43:04   Subject: Daventry
5XX.

Lozz.
Topic: Dowsing for secret underground tunnels etc.
lozz

Forum: New recruits!   Posted: 10/05/2018 16:18:18   Subject: Dowsing for secret underground tunnels etc.
[quote="Roger L"]You are taking the weight onto the short leg so it will not work.
[/quote]

Actually it's potentially less friction:

https://www.paranormalstudy.com/product/
Topic: Dowsing for secret underground tunnels etc.
lozz

Forum: New recruits!   Posted: 10/05/2018 12:31:05   Subject: Dowsing for secret underground tunnels etc.
[quote="Roger L"]If you use 3ft. rods with the long leg down you have to hold the rod in a different way which would stop it freely rotating. holding the short leg the weight is in the long rod so all
Topic: Dowsing for secret underground tunnels etc.
lozz

Forum: New recruits!   Posted: 10/05/2018 11:17:52   Subject: Dowsing for secret underground tunnels etc.
Why are the L shaped rods usually held so's the long bit it horizontal and not vertical?

Lozz.
Topic: Dowsing for secret underground tunnels etc.
lozz

Forum: New recruits!   Posted: 09/05/2018 19:48:09   Subject: Dowsing for secret underground tunnels etc.
Double blind test.

Lozz.
Topic: Stenlight question
lozz

Forum: Lamps & Lighting   Posted: 26/04/2018 13:42:38   Subject: Stenlight question
[quote="Andy Mears"]Hence the term "idiot diode" fitted across the power rails to pop the fuse when said event occurs. I had a mate who used to repair a lot of CB radios. When he got one where they ha
Topic: Stenlight question
lozz

Forum: Lamps & Lighting   Posted: 26/04/2018 10:18:21   Subject: Stenlight question
Flat -ve

Pointy +ve

According to their website.

Lozz.
Topic: Communicating in shafts
lozz

Forum: General Chat   Posted: 18/03/2018 11:33:13   Subject: Communicating in shafts
The main problems with PMR radios used in underground exploration is mainly down to the fact that it's basically line of sight and low power communication and the fact that ideally the antennas being
Topic: Communicating in shafts
lozz

Forum: General Chat   Posted: 14/03/2018 14:36:19   Subject: Communicating in shafts
[quote="towim"]VHF vs UHF,

As miles knows I personally use UHF kit underground and VHF above ground when at work.
UHF works better underground, simple way to look at is imagine a 4 foo
Topic: Denys Bradford Barton
lozz

Forum: South West England   Posted: 31/12/2017 20:45:20   Subject: Denys Bradford Barton
Got mine in 1973, I woz working down S/Crofty back then....I believe I got it from The Truro Book Shop in Frances Street same time as I got Dines.

Lozz.
Topic: Battery charging warning
lozz

Forum: Lamps & Lighting   Posted: 23/12/2017 14:51:15   Subject: Battery charging warning
The losses are greater in the distribution because of the lower voltages, for a given power the lower the voltage the higher the current, power dissipated (wasted) in the line = Isqrd*R, (I = line cur
Topic: Battery charging warning
lozz

Forum: Lamps & Lighting   Posted: 21/12/2017 20:54:12   Subject: Battery charging warning
Vanadium.

Lozz.
Topic: Pooch problem solved for Mine Explorers
lozz

Forum: General Chat   Posted: 19/12/2017 11:16:47   Subject: Pooch problem solved for Mine Explorers
And if pooch gets difficult..........

https://www.flickr.com/photos/jurvetson/3803209

Lozz.
Topic: Vanoord's a Joke
lozz

Forum: General Chat   Posted: 08/11/2017 17:52:05   Subject: Vanoord's a Joke
[quote="sinker"]
Mathematician's answerphone message:

"The number you have dialled is imaginary. Please replace the handset, rotate the phone through 90 degrees and try again."
Topic: Tresavean Mines
lozz

Forum: South West England   Posted: 05/11/2017 09:04:15   Subject: Tresavean Mines
Hi, enter Tresavean in the search mines search box at the top of the page, various pics and documents in there.

Lozz.
Topic: Man falls down Cornwall mineshaft
lozz

Forum: South West England   Posted: 24/09/2017 17:45:35   Subject: Man falls down Cornwall mineshaft
No tripadvisor jokes please.

Lozz.
Topic: Electic Dumper
lozz

Forum: Mining Methods & Techniques   Posted: 23/09/2017 12:22:09   Subject: Electic Dumper
10KWH*20 trips per day = 200KWH....They might go two days and transfer 400KWH worth in one go, that would still leave 300KWH in reserve.

Lozz.
Topic: South Crofty - Latest?
lozz

Forum: South West England   Posted: 21/09/2017 18:30:31   Subject: South Crofty - Latest?
Pink Floyd...Whish You Were Here...Have a Cigar...chorus.

:):)

Lozz.
Topic: Curious about an adit
lozz

Forum: South West England   Posted: 05/07/2017 11:53:16   Subject: Curious about an adit
[quote="Morlock"]Top LH corner shows an aqueduct?

http://maps.nls.uk/view/105995737

Further speculate there could also be a tunnel for draining the pond?[/quote]

The a
Topic: Curious about an adit
lozz

Forum: South West England   Posted: 05/07/2017 11:33:57   Subject: Curious about an adit
Just to be clear on the Carclew pond (reservoir) and its water wheel, the reservoir's Northern bank on the OS map is a dam, between it's edge and the start of the discharge/overflow stream is the wate
Topic: Curious about an adit
lozz

Forum: South West England   Posted: 05/07/2017 11:03:24   Subject: Curious about an adit
[quote="Morlock"][quote="Peter Burgess"] Water supply might be for a wheel, domestic/farm supply, industry of some sort........[/quote]

I did find a pond and water wheel yesterday on 'old m
Topic: Curious about an adit
lozz

Forum: South West England   Posted: 05/07/2017 10:46:59   Subject: Curious about an adit
A map location or a description of the location might help.....?

Lozz.
Topic: Shot Holes
lozz

Forum: Mining Methods & Techniques   Posted: 09/06/2017 12:18:19   Subject: Shot Holes
Jumper....

http://cmhs.org.uk/wp-content/uploads/2012/10/Drills-In-The-Cleveland-Mines.pdf

Lozz.
Topic: Climax Imperial Rock Drill rebuild
lozz

Forum: Member Projects   Posted: 11/04/2017 15:44:52   Subject: Climax Imperial Rock Drill rebuild
Re-the underground photo, I wonder if they are drilling some kind of drag or V cut?

Lozz.
Topic: Phoenix United fatality, November 1912
lozz

Forum: South West England   Posted: 06/04/2017 21:24:45   Subject: Phoenix United fatality, November 1912
No Samuel Nickell death on freebmd either.

Lawrence.
Topic: Phoenix United fatality, November 1912
lozz

Forum: South West England   Posted: 06/04/2017 18:52:05   Subject: Phoenix United fatality, November 1912
[quote="Alec"]Thanks, Lozz!

You have followed much the same trail as me. The Cumbian connection was one reason I queried the employment mix at Phoenix United from 1907 onwards, and the iron
Topic: Phoenix United fatality, November 1912
lozz

Forum: South West England   Posted: 05/04/2017 16:20:04   Subject: Phoenix United fatality, November 1912
I had a mooch round in the free online death indexes and census's, nothing but the Cumbrian ones, 1901 census both were still in Cumbria, one born C 1880 and one born C 1894, 1911 census only the youn
Topic: Thoughts whilst ascending
lozz

Forum: General Chat   Posted: 28/03/2017 11:28:06   Subject: Thoughts whilst ascending
"jeeze, when I get outa here I've got to take the wife to Tesco's" :)

Lozz.
Topic: Whats this? (photo)
lozz

Forum: North Wales   Posted: 24/03/2017 17:42:08   Subject: Whats this? (photo)
I think I can rule out a Stenner saw.

Lozz.
Topic: Drilling near Chybucca
lozz

Forum: Member Projects   Posted: 11/03/2017 12:45:07   Subject: Drilling near Chybucca
Chybucca's spelt wrong:)

Lozz.
Topic: CBC Video
lozz

Forum: General Chat   Posted: 04/03/2017 20:16:11   Subject: CBC Video
[quote="The Fresh Prince of Portreath"]Mother bought me a big stairs carpet runner at a bootsale for £1 and it is the ideal thing for a carpet highway down union shaft. We did some work down the road
Topic: CBC Video
lozz

Forum: General Chat   Posted: 04/03/2017 08:49:28   Subject: CBC Video
I like it:thumbup:

How's about sending that thing down Union shaft...

Lozz.
Topic: Bryan Earl R.I.P.
lozz

Forum: General Chat   Posted: 02/03/2017 15:45:47   Subject: Bryan Earl R.I.P.
A sad loss for sure.

Lozz.
Topic: Vanoord's a Joke
lozz

Forum: General Chat   Posted: 19/02/2017 14:10:26   Subject: Vanoord's a Joke
Not mine...hived from another site:

A lawyer was questioning a doctor (a pathologist) about a case:

Now doctor, you certified that Mr. Brown was dead, but what steps did you take
Topic: Attaching a lamp bracket
lozz

Forum: General Chat   Posted: 10/02/2017 09:45:14   Subject: Attaching a lamp bracket
12" M8 bolt.

More volts Igor:)

Lozz.
Topic: the passing of John Tonkin
lozz

Forum: South West England   Posted: 04/02/2017 20:21:24   Subject: the passing of John Tonkin
I'm saddened to hear that, great bloke and very knowledgeable, I've still got some hand written notes he did for me about 15 years ago concerning some old China clay workings.

R.I.P. John.<
Topic: Lithium Mining in Cornwall
lozz

Forum: General Chat   Posted: 22/01/2017 21:11:13   Subject: Lithium Mining in Cornwall
Maybe it's Sillithium:)

Lozz.
Topic: Another shaft collapse
lozz

Forum: General Chat   Posted: 05/01/2017 18:10:22   Subject: Another shaft collapse
It's the 18th on the Pitch n Put:)

Lozz.
Topic: Christmas Eve Ghost stories
lozz

Forum: General Chat   Posted: 30/12/2016 15:50:56   Subject: Christmas Eve Ghost stories
I used to drive along that valley back in the '70's to and fro from South Crofty to Cross Lanes just t'other side of Twelveheads, all hours of the day and night too to various other places, doing the
Topic: Historic Photographs Of Ventongimps (album)
lozz

Forum: South West England   Posted: 28/11/2016 19:42:37   Subject: Historic Photographs Of Ventongimps (album)
It could be the sand/tailings from the old Chiverton lead mine which is not far South of the nature reserve, see sat image here:

http://www.wildlifetrusts.org/reserves/chyverton

Topic: Heartlands Project :(
lozz

Forum: General Chat   Posted: 11/10/2016 13:49:34   Subject: Heartlands Project :(
Anyone remember Hydraulic Tin?

Lozz.
Topic: Unusual pumping arrangement
lozz

Forum: General Chat   Posted: 11/10/2016 12:23:31   Subject: Unusual pumping arrangement
Tippi Hedren, I saw it when it first came out:o

Lozz.
Topic: Heartlands Project :(
lozz

Forum: General Chat   Posted: 11/10/2016 10:25:37   Subject: Heartlands Project :(
""Hopefully now we've left the EUSSR (well almost), rather than the EU money being channeled into turning mining sites into unwanted industrial estates (Hallenbeagle and Wheal Harmony), since all of t
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