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Author Fellows lamps forum.
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Posted: 14/08/2018 17:33:14
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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 topknot cut off.

A sad end, but times change.

--

"You are not consumers, you are the product" Google and Facebook, Masters of the Universe
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mistericeman

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Posted: 14/08/2018 21:08:54
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royfellows wrote:

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 topknot cut off.

A sad end, but times change.


In fairness there are a few folks that could do with humiliating by having their "top knots " chopped off ....

especially those that are bald with pony tails .....
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The Fresh Prince of Portreath

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Posted: 14/08/2018 21:12:48
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My Trigon and MS both need some love. At some point, I'll have to send them.
IP: 89.238.154.172
ttxela

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Posted: 14/08/2018 21:44:45
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royfellows wrote:


Its a bit like Conner McGreggor taking up crochet.
Laugh


If he did I wonder if he'd take on the best at knitting at the craft show......Confused
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royfellows

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Posted: 14/08/2018 21:45:00
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The Fresh Prince of Portreath wrote:

My Trigon and MS both need some love. At some point, I'll have to send them.


You been saying this for 12 months, I dont look out for the postman
Laugh

MS is a collector item really, but Trigon as as powerful as anything.

Just put new upgraded emitters into a Mk 1 that's 8 years old, but kept in lovely nick. Charged £25
But if power is down, could be the battery pack, Li Ions don't last for ever.

By way for other readers, the TGX went on duration test at 8.0 this morning on Standard, still burning bright.


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IP: 88.108.27.101 Edited: 14/08/2018 21:46:23 by royfellows
The Fresh Prince of Portreath

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Posted: 14/08/2018 23:54:21
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The Trigon still blows my 1500 Scurion clean out of the water. It's a hell of a thing. It is possibly the best lamp ever made.

It has performed flawlessly and just works after I have left it for ages in a box. There is something up with one of the connectors, but it will be because it is owned by a monkey and it has been abused in a horrendous fashion.

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royfellows

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Posted: 15/08/2018 09:30:16
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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 recently has been floodlights which have always been the weakest point. They have to be up against the glass to be effective but the heat track to ambient tends to be long. The latest Scorpion is to my mind the best lamp yet. Heat track to ambient from the floods is only 10mm and its a very versatile design.

Stu, ask yourself, do you really need anything more powerful than the Trigon?

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Pinzgauer

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Posted: 15/08/2018 10:38:17
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Roy... You have a pm. IP: 81.145.247.199
royfellows

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Posted: 15/08/2018 15:52:42
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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 useless. It did not go out, even when operating mode button.

I am very well pleased and will probably put into production the first batch shortly.

Pic below at 20 hours.



(click image to open full size image in new window)

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The Fresh Prince of Portreath

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Posted: 15/08/2018 16:42:26
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royfellows wrote:

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 recently has been floodlights which have always been the weakest point. They have to be up against the glass to be effective but the heat track to ambient tends to be long. The latest Scorpion is to my mind the best lamp yet. Heat track to ambient from the floods is only 10mm and its a very versatile design.

Stu, ask yourself, do you really need anything more powerful than the Trigon?


The Trigon is the apex of lamps IMO. The MS just makes my pupils smaller for the same effect
IP: 89.238.154.235
royfellows

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Posted: 12/09/2018 16:30:42
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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 angle reflector close to the glass. This gives good foot level peripheral lighting and even output. frankly, the kind of 'magic' I was seeking all along.

I expect to have stock within a week or so.



(click image to open full size image in new window)

The Lynx X2000 is now discontinued in favour of the Scorpion X_8. Slightly more expensive but a far better lamp.

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"You are not consumers, you are the product" Google and Facebook, Masters of the Universe
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royfellows

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Posted: 08/10/2018 14:49:06
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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 with hefty blows from a small ball hammer leaving the glass unmarked. I actually tried to break the thing to see the breakage pattern but had to give up.

I manufacture these myself and had initial problems as excess heat causes decomposition of the thermoplastc interlayer, I now have the process perfected.

The lamp will to the best of my knowledge be unique in having this type of glass. All the other lamps with the usual Scurion type rimless glass are polycarbonate.

Pic below, note the 3 layers



(click image to open full size image in new window)

I have also redesigned the battery box which will have an aluminium attachment plate for direct mounting on the back of a helmet rather than the 4mm shockcord normally used.

Going to be one tough SOB

I can hold the price at £195 regardless of the improvements.

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"You are not consumers, you are the product" Google and Facebook, Masters of the Universe
IP: 88.106.230.184 Edited: 08/10/2018 14:54:24 by royfellows
royfellows

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Posted: 12/10/2018 09:41:14
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Hi peeps

At risk of becoming a bore I have to reproduce, with name edited, this email received.

STARTS

Hi Roy,

Just wanted to drop you a quick note to say how utterly amazing your lamp is! Had a quick trip tonight with my local club in an iron mine and its an absolute joy to use. Surprisingly I was mainly using the pilot light as that was perfect for walking. I used the full 7000 for photos which almost allows me to not use long exposures as well as the others telling me to crank it up every time we hit a big chamber. When I got home I hadnt turned off a single battery light!

Absolutely fantastic bit of engineering sir!

regards

******

ENDS

The thing about this, is that I am reasonably comfortable if you get the drift, the lamps are more of a vocation to me. I get something like this, and this one is not one on its own, and it makes it seem worthwhile.

The lamp is the Lynx X12, headsets now down to 3.
Sad

If an established producer of quality lamps was to approach me I would share the technology involved so that they could take up manufacture. Obviously the retail price would double but I would expect that there would also be improvements made, such as a finely tuned thermal shutdown.

My new Scorpion is the best lamp yet but will not support what goes into the big bat cooker, so it really is the end of them.

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IP: 88.106.230.184
royfellows

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Posted: 30/10/2018 11:53:53
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I have just had a lamp returned due to complete failure, I am not proud of this but there is an interesting lesson here.

What had happened was that some insulation had moved upon assembly and further movement had caused the power input cable high side to short on the copper LED module.
A short circuit will cause the power bank management electronics to disconnect the power from the battery cells.

This if anything, clearly demonstrates the reliability of the Lithium Ion management safety.
What is interesting and worth noting is that only Li Ion has these sophisticated management electronics and that any battery type is a means of storing an electrical charge and if short circuited can cause fire and injury.

Almost all purpose built underground caplamps nowadays use Li Ion cells and can (hopefully!) be considered safe in this way, although I cannot in truth speak for other manufacturers.

Oldham lead acid batteries had a safety fuse but are now obsolete.

Bottom line - Li Ion by virtue of its sophisticated management electronics is inherently safer than other battery types.


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IP: 88.106.230.184
royfellows

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Posted: 14/11/2018 15:42:13
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Scorpion TGX

Well, I am please to be able to say that the design is now finalised. The front glass diameter is reduced and the bezel deepened to take the new 42mm X 5mm thick laminated glass. These are made in Great Wyrley, plastic interlayer is thermally bonded- no adhesives used, and not available generally.

The design of the battery box is also finalised. Obviously there are no perfect solutions but I felt that keeping is as flat as possible was the direction.

I have one mounted on an Ecrin Roc and will be testing it myself, its looking good. Li Ion management has been revised and now its into a slow death burning for over 20 hours, as tested, on the standard mode of about 200 lumens.

The reflectors are tight beam and semi wide angle. This gives best combination of throw and foot level lighting. Max output about 1800 lumens.

Lamp weight up slightly to 195 grams, still lighter than an Oldham headset which is my standard comparison.

One tough lamp. helmet will break before the lamp.



(click image to open full size image in new window)



(click image to open full size image in new window)



(click image to open full size image in new window)



(click image to open full size image in new window)



(click image to open full size image in new window)

--

"You are not consumers, you are the product" Google and Facebook, Masters of the Universe
IP: 88.106.230.184
The Fresh Prince of Portreath

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Posted: 14/11/2018 20:48:56
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I see a lot of RF lamps out there.

I have been using my Scurion 1500 a lot, enough to consider the spot a bit more.

It's too spotty. You have a number of intensities which you can program and the spot cuts through and makes a spot regardless.

The future probably considers an "angle/intensity" graph. The spot looking like a tall narrow parabola and the flood pretty much a flat line. My problem is that whilst the scurion is sublime with it's single emitter flood, it's too dark, even when cranked up. You want to blend it with more intensity in the middle, but not too much. What I have is a baseline with a spike in the middle and what I want is something more like a fat parabola.

The old Trigon was brilliant at this. In hindsight, it was an unbeatable lamp, purely because it used to launch a bloody huge amount of light in quite a wide fashion. It was enough not to have darkness in your peripheral vision, but fill in everything perfectly in a mine, including decent chambers. The low setting was great for tunnels, including photos and the loud setting would light up big spaces.

If I could have that light response on my head with something lighter and helmet mounted, I'd be very very stoked indeed.

I am going to dig my trigon out and see what I can do with it. It's got a waggly wire issue. It's a hell of a thing.
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royfellows

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Posted: 15/11/2018 08:30:47
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Very interesting comments.

I encourage you to send the Trigon in for a cheap fix, I don't support DIY if it needs internal parts or offer guidance! Its on the website.

The Lynx X_Basic uses the same broad beam reflectors as the Trigon, I tend to aim for even lighting.

Only other comment I can offer is that the latest lamps do not really offer much more output than the Trigon, LED tech had virtually reached its peak when they were being produced. All we have now is more sophisticated quad dies, but needing higher voltages and loosing crispness of the beam. XHP 50 is good but needs 12V per emitter.

Latest flatpack 8V battery gives new lease of life to ageing Trigons

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The Fresh Prince of Portreath

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Posted: 15/11/2018 10:54:44
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I will send it in at some point. I'm juggling lots of stuff at the moment (money wise) - aka scraping.

When you were looking at winding up the big bat cookers, I thought, "I'd better have another for the cupboard" and you punted on your old MS, I found the MS too much of a good thing. It was too heavy and the amounts of light were over the top. I got to the point where my camera thought it was daytime in the big Wheal Jane stope. I think my eyes did as well!

The Trigon was the weapon. The main beam of the Trigon is the best light I've ever had on my head. The 2 emitters for the flood de-crisped it just a nadge. Whilst a flood looks nice, I pretty much don't use it at all.

I'd go further and say there is a "light profile" for 90% of the holes we go in and a beam pattern which gives a flatish response when you look down it would be a good idea (Shafts/tunnels).

If you had 4 emitters (or possibly 2) with different parabolic curves of intensity/angle, you'd be able to have a number of scenarios.

1. Walking down a tunnel, abseiling down a shaft. Say 300 lumens. (small/light rock)
2. The same, but in a bigger/dark mine 500 lumens
3. Taking photo in smaller space (wider angle, less spot, but bright). Say total of 700, with 500 coming from flood.
4. Trigon Full blast for big stuff.
5. Flood for taking close up pics without hotspot.
6. Panic mode.

What's that scurion imitator again....the 2200 rescue thing with the parabolic reflector, rather than matey's plastic optic. I wonder what that's like. IMO, it is all about getting the spot right, so you don't end up with a laser beam.
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SimonRL

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Posted: 15/11/2018 11:14:40
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The Fresh Prince of Portreath wrote:

What's that scurion imitator again....the 2200 rescue thing with the parabolic reflector, rather than matey's plastic optic. I wonder what that's like. IMO, it is all about getting the spot right, so you don't end up with a laser beam.


El Spelio?

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