GB Clone Offically "SOLD OUT" 10/21/18 XPL HI 1300LM Focusing AKA Cometa 2016

TheOnlyDocc · 2018-10-31T16:42:22.000Z

It is really bad how BG handled the complete thing!
In total i ordered 3 Cometas one with battery (was refunded because they were sold out). And two without battery (one was delivered and one refunded).
I asked if they could send one from the UK warehouse instead of refunding but that is not possible! They have to refund but then i could buy from UK warehouse again (for ~2x the price. Really? Sure? It will be my honor! I am sooo thankfull! Yeah will 100% do so because i am really stupid! ! !

teacher · 2018-10-31T16:02:00.000Z

So far, mine is remaining in the SHIPPED column on the Banggood site. :+1:

Ordered 18 October
Shipped 25 October

HONDARIDER · 2018-10-31T16:00:37.000Z

Guess I was fortunate that I got all 3 of mine. Ordered 2 one day without the battery and one with a battery the next day. Just got the one with the battery a week ago. The 2 without a battery were received almost a month ago.

Lightbringer · 2018-10-31T17:57:59.000Z

TheOnlyDocc:

It is really bad how BG handled the complete thing!

Yeah. While I got all mine can’t complain about that at all, I’m still soured on ‘em, not just from my own experience (the whole battery runaround, getting screwed on shipping, etc.), but others’, too.

Tixx · 2018-11-01T21:37:06.000Z

So I ordered 2 and they have arrived. Reading through parts here it seems like these may be dangerous? I have the plastic spacer ring thing in there and it says 2016 on the bezel. But not sure if I should continue using. Any suggestions appreciated. Thank you!

X31 · 2018-11-01T22:09:51.000Z

I tried to “dye” the plastic washer to get rid of artifacts.
It worked like a charm, I burnt some cheap paracord to make some black fumes and placed the washer on top of it so the fumes would stain it :

No I have to make the second one. Its cheap and efficient !

EDIT : oh, free beamshot as well (White Flat inside)

teacher · 2018-11-01T22:24:47.000Z

Tixx:

So I ordered 2 and they have arrived. Reading through parts here it seems like these may be dangerous? I have the plastic spacer ring thing in there and it says 2016 on the bezel. But not sure if I should continue using. Any suggestions appreciated. Thank you!

Read through the parts that outline the very simple ’fixes’, do them , and you will be just fine. .

TheOnlyDocc · 2018-11-02T12:47:26.000Z

I really do not know whats going on at BG!
Ordered 3 days ago and now the next mail arrived:
We regret to inform you that your order was returned due to the failure of security check when passing the customs office.
I ordered a update for my bench powersupply so i am able to test leds that require more than 5amps (limit of my Bench powersupply).

www.banggood.com

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the case.
What could be wrong this time?

nottawhackjob · 2018-11-02T15:00:32.000Z

Great idea with the para cord fumes! :laughing: :student:

Alen · 2018-11-02T18:08:02.000Z

TheOnlyDocc:

I really do not know whats going on at BG!
Ordered 3 days ago and now the next mail arrived:
We regret to inform you that your order was returned due to the failure of security check when passing the customs office.
I ordered a update for my bench powersupply so i am able to test leds that require more than 5amps (limit of my Bench powersupply).
RIDEN® DPS5020 Konstantspannungs-Schrittabnahme-Kommunikations-Digitalstromleistung Sale - Banggood Deutschland

the case.
What could be wrong this time?

I have one Order from 18 september still waiting…
sorry don’t want go off topic

eas · 2018-11-02T22:09:31.000Z

My first order finally arrived, after about a month. The second was backordered for a couple weeks before I cancelled it.

At first, I thought it had an aluminum emitter cup, but it’s plastic, so I got rid of the mylar sheet I’d cut to prevent wear on the ano and provide an extra layer of insulation. I covered the bottom of the pill with UV-set resin to prevent shorting should the cell or driver-side spring slip. I push the warped plastic insulator into the tube, against the negative terminal of the battery before screwing on the tailcap.

I’ve added an adhesive plastic ring aroudn the emitter to try and increase pressure on the MCPCB, but I don’t think it is actually making contact. I think I’ll try to shave down the rim on the plastic cup so it can screw down further.

It doesn’t seem like a bad light for $15, but loosing ~80% of the output when zoomed is a reminder why I haven’t purchased any zoomies since my first Sipik SK-68 clones.

Is there anything that can be done (easily)? I’d happily give up a 25-50% of the travel on the wide end to get more output (ideally without sacrificing intensity).

Lightbringer · 2018-11-02T22:20:43.000Z

eas:

It doesn’t seem like a bad light for $15, but loosing ~80% of the output when zoomed is a reminder why I haven’t purchased any zoomies since my first Sipik SK-68 clones.

Is there anything that can be done (easily)? I’d happily give up a 25-50% of the travel on the wide end to get more output (ideally without sacrificing intensity).

That’s just a fact-of-life for any kind of zoomie. Only “fix” is to use a LED with smaller emittting cone. So instead of shining over a 160° cone, get one with a narrower angle that shines only over, say, a 140°- or 120° cone.

Dunno if a “precollimator lens” would do anything but ruin the beam.

Just goggled HD vs HI (XP-L), and there’s not much diff. 115° for the HI, 120° for the HD! So the HD has a teensytiny bit more spread.

Tom_Tom · 2018-11-03T02:43:52.000Z

To make an efficient “zoomie” you need to be using a reflector. That scoops up all the light from the emitter, in all positions.

Like a Maglite. With throw, and spill.

Not joking.

Tony Maglica had the right idea, it just needs refining for nowadays. Magleds are all very well, but are stuck with poor optical and thermal systems, and choice of LEDs, drivers etc. and historical designs.

Trying to do it with a pure lens system (aspheric or otherwise) just means wasting most of the light when zoomed out (edit, I meant zoomed-in), scattered about inside the head and dissipated.

You may get a nice projected image of the LED surface though, but that is only a small proportion of the overall output, which does not blast straight out perpendicularly, like some sort of laser.

LEDs are Lambertian emitters, or slightly tightened up with the addition of a dome.

Laser remote phosphor systems have potential, but that’s another story, and it is too early for them to be made zoomable yet.

There are better things that could be done with a combination of a reflector, and a lens system, but AFAIK nobody has tried, and you’d end up with something like the internals of e.g. a slide-projector.

X31 · 2018-11-03T11:01:59.000Z

~~X3~~:

Oh BTW I got the 2 free 18650…
Yeah no surprise…

Don’t use them :

“Protection” circuit failed in my Nitecore LR30 as soon as I put it in… saw some smoke so I threw it outside !
The battery flew out of the lantern, 20sec later a hissing with some smoke appears and 2sec later BOOM !
First time with Li-ion failing, thankfully I saw enough videos to know how it ends…
I wanted to film it but my toddler was a bit anxious seeing it so I chose to reassure him rather than collecting internet karma.

nottawhackjob · 2018-11-03T13:05:49.000Z

Wow. Wowza. Holy Smokes. Er……Unholy Smokes. The Z1 clone may not burn down your house but the free batts they included may. Yikes.

DENGOH · 2018-11-03T13:07:33.000Z

I don’t buy any Xanes. Ultrafire is much better than Xanes. But these Xanes were free, what a trap. Luckily no one get hurt.

Alen · 2018-11-03T13:13:02.000Z

They was send as a “Gift”
this is the reason

X31 · 2018-11-03T13:24:30.000Z

Yeah I get that…

Alen · 2018-11-03T13:29:48.000Z

we must also pay for waste disposal
what a bad Gift

teacher · 2018-11-03T14:04:56.000Z

Wow… … Did it blow up the LR3O too??