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TRAVEL INFORMATION

ALL 2 CELL POWER BANKS ARE 26 WATT HOURS (WH)

8V HIGH CAPACITY 4 CELL (BLUE LABEL)  ARE 52

8V HIGH DISCHARGE 4 CELL (SAR, RED LABEL) ARE 38.5

12V 3 cell 2070 type (Tesla) are 47.6

12V 3 cell 18650 type are 39.2

POWER BANKS ARE ELECTRONIC DEVICES WHICH CONTAIN LITHIUM BATTERIES, THEY ARE NOT JUST "BATTERIES"

We are not responsible for any travel restrictions that may be in force at any particular country.

 

Current Stock Levels at  12/12/2018
Dragon EX Temporarily sold out  
Lynx X_Basic In stock  
Lynx X_12 Temporarily sold out Last headset!
Scorpion TGX Available Soon  
Scorpion X_8 Temporarily sold out  
Scorpion X_12 In stock  
 

Scorpion  TGX (Tough Xtreme). Have final version mounted and being tested.


Jargon Buster

Watt's a lumen?

To understand the lamps you need to understand some common terms. Amps are the measure of electrical current that flows through a circuit of part of it. The now obsolete Oldham lead acid caplamp bulb runs at 1 amp. Volts technically defined as potential difference or electromotive force can be equated to pressure like the pressure of water in a tap. Turn on the tap the pressure drops and you have a current. Watts* are units of power and are arrived at by multiplying the amperage by the voltage. The standard Oldham caplamp has a 1 amp bulb and the battery is rated at 4 volts, so its classed as 4 watts.

(* Defined as a duration of energy equal to 1 joule for 1 second)

Lumens are units of light, it stands for 'luminous flux', that are actually produced at source, and should not be confused with Lux which is a measure of light falling on a specific area at a specific distance. The Oldham lead acid caplamp produced 48 lumens of light for a consumption of 4 watts. LEDs produce a lot more light, a Cree XML2-U2 will produce approx 3 times this at 1 watt

Lumens cannot be physically measured and have to be calculated from the LED manufacturers data sheet..

https://en.wikipedia.org/wiki/Luminous_flux

A 220volt 100 watt light bulb produces about 1000 lumens, this is the league we are in with my lamps.

However, lumens do not tell the whole story, second to this in importance are the optics, its no good having a powerful LED if half the light goes to waste. This explains why you will sometimes see a lamp rated at say 500 lumens beat one rated at 600 lumens.

The relationship between lux and lumens is fully dependant on the way that the light output of the LED is managed, this a bare emitter could have a very high output expressed in lumens, but would have a very low lux, equally a miners lamp such as an Oldham DL 16 will have a very high lux for its relatively low lumen of 90 lumens. This is because all of the light generated is focused into a very tight beam.

So if we widen the beam say by 100%, in order to maintain the lux rating and therefore the throw, we would have to increase the output of the LED by 100% to 180 lumens.

 


 

We have a wide range of caplamps suitable for caving and mine exploring, ranging from the lightest currently available to most powerful. Expensive? well not in the sense of some on the market. Our most popular lamp is the Dragon EX which weighs in at only a mere 125 grams. Our Lynx X12 produces on full power 7000 lumens which makes it one of the most powerful mining and caving lamps available to purchase in the world. Our X2000 produces over 2000 lumens of beam or floodlight power. Beware competitors which quote total output as a mix of beam and bare emitter.

All the lamps share some common features:

#1 At least 2 independent circuits. (Excepting X_Basic)

#2 Power packs are solid cased and based on Lithium Ion (Li Ion) technology. They are waterproof, blow resistant, explosion proof, and economically priced, and can be carried as a spare and changed underground without fiddling with loose cells or inserts. All power packs can be, and indeed its recommended, 'top up' charged. They cannot be overcharged. They contain the very best available genuine Sanyo/Panasonic/Tesla cells.

#3 All lamps (Except X_Basic) now carry a back up circuit independent of the main electronics, this is incorporated into the beams. 8 and 12volt series lamps have additional pilot lights.

#4 All lamps are waterproof @ 30 minutes at 1 m water column; IP 67 and have no silly pointless flashy modes (Hidden flashes on X_Basic)

The same toggle switch is universal on most of my lamps. Very high quality: here is the data sheet :

knitterswitch.pdf

Post and Packing.

All shipping is by Royal Mail insured Special Delivery ( X_Basic First Class signed for) which ensures that the lamps will arrive at your home the very next day. We do not accept any money unless we have the goods ready to ship.

See what our customers are saying about our lamps:

What they are saying


Mounting

No recreational helmets are currently manufactured with lamp brackets. My Lynx and Dragon aluminium lamps are designed with a 40mm spacing between holes so as to duplicate the fixing for the Petzl bracket. All Scorpion lamps use GoPro mounts.

If you need a bracket for one of our now discontinued Oldham based lamps or someone else's, these links are useful.

http://www.caving-supplies.co.uk/cgi-bin/psProdDet.cgi/13298%7C%7C~@c~Helmets~@b%7C0%7Cuser%7C1,0,0,1%7C16

 http://www.caving-supplies.co.uk/cgi-bin/psProdDet.cgi/13302%7C%7C~@c~Helmets~@b%7C0%7Cuser%7C1,0,0,1%7C16

Scorpion lamps are GoPro Mount

 


Our  Lamps


The Dragon EX

The 'over and under' design is optimum for weight saving. This lamp is designed for lightness and practicability and especially suited to tight caving and digging projects.

Dimensions

Dragon: 30mm X 40mm, length 55mm excluding bracket.

Weight 125 grams

Max output over 1500 lumens. Standard output of 250 lumens for over 16 hours! 

The Dragon EX

Price 150 plus P and P total 158

The weight and size of this lamp makes it ideal for arduous use and is particularly recommended for work such as digging projects.

 

 


The Lynx

The Lynx X_Basic

This lamp is our cheapest but holds its own with competitors costing, well, ???

Max 1400 lumens  - weight 200 grams  The Lynx X_Basic

200 lumens walk mode, plus middle  mode or max of 1400 lumens. Wide beam.

Green/amber/red/flashing red battery indicator. 10 mode option switching.

The price is 95 with 2 cell Li Ion helmet mount power pack, dedicated charger, and helmet fixing cord. Add 5 P and P, total 100.00

 

The Lynx X_12

Last of the bat cookers. Last head shell.

Max output 7000 lumens - weight 260 grams The Lynx X_12

325 with 3 Tesla 2070 power bank, charger, and fitting kit.

Add 10 P and P, total 335.

 


The Scorpion

This is a new concept in underground lighting. Its unique square 'box' shape allows a diversity of different internal electronics. There are 3 'off the shelf' models to choose from with the option of a bespoke custom design at no extra cost. Beat this anywhere else!

How the idea was born

The Scorpion Concept

DIMENSIONS: Scorpions are 67mm wide (inc heatsinks) by 60mm high and measure 67 mm approx from front bezel to end of mounting bracket. Individual weights vary, see models please.

The Scorpion X_12

This is the original concept model and features 2 arrays of 3 LEDs at different power outputs running from a 12 volt power pack.

Exceptionally user friendly.

The Scorpion X_12

245 plus 10 post and packing, total 255

 

The Scorpion X_8

Virtually the same as the Lynx X2000 but with increased waterproof integrity and GoPro compatibility.

The Scorpion X8

245 plus 10 post and packing, total 255

 

The Scorpion TGX

Available soon

 


Our Guarantee

All lamps are guaranteed for 12 months from date of purchase. Refunds of postage will be included in certain cases. Lamps are described as waterproof, but not suitable for diving. This does not affect your statutory rights.


Post and Packing Policy and Charges

Oldham conversions and X_Basic are First Class Signed For, and cost is 5  All other lamps are Special Delivery insured because of the value. 

 

 

Ordering a lamp

Check stock level at bottom of this page, if "no stock" please check availability.

Subject to this, its dead simple. We do not require you to open an account, create a username and password, give us your phone number so that you can receive unwanted calls from our 'carefully selected partners', or attempt to take control of your computer. You just send us the money, we send you the lamp. Just like in the good old days.

Amount plus postage to:

R.A.Fellows.

 Greengables

        Stafford Road.

         Great Wyrley

    Walsall

            WS6 6AX

 

Cheques to R.A.Fellows please. DO NOT SEND CASH THROUGH THE POST. BACS payments welcome, account details on request.

 

Please enquire by ordinary email.

 

Shipping address required in writing to avoid errors.

Sorry we do not reply to emails where doing so enters us into a contractual agreement with third parties or requires us to pay for the privilege.

 

WE NO LONGER SHIP OVERSEAS.

 

roy@royfellows.uk

 

 

 

 

 

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