500 LED 50 Watt Flashlight!
- Thread starter brighterisbetter
- Start date
adirondackdestroyer
Flashlight Enthusiast
- Joined
- Oct 31, 2005
- Messages
- 2,018
Talk about an impressive homemade light! Completely unbelievable! I wonder how many lumens that thing is really putting out though.
LukeA
Flashlight Enthusiast
Frankly I'm not impressed. I built something smaller and brighter with better throw a few months ago.
5mm LEDs = meh.
5mm LEDs = meh.
Gryloc
Enlightened
Impressive, but i wonder if those are very efficient leds. Someone needs to show him the light (Cree XR-E and MC-E). I also wonder the lumen output of the light. It sure has a wide beam. I like his switching interface (although it is pretty busy back there). It is hard to tell what each switch and "phase" did. If he would put as much time and energy into a flashlight with high efficiency and high flux, I cannot even imagine what he could accomplish.
Can someone leave a post for him on the YouTube forums asking him to come to the CPF and present his creation? :poke: I do not have a YouTube account and I never had the desire to post there. He needs to know that there are other crazy people like him. Thanks.
I know there are quite a few people out there that are knowledgable in electronics and have the passion, and they just need to the push in the high power LED area. I know that Malkoff used to sell LED drivers on eBay before he jumped onto the CPF boat. This guy could accomplish so much with the resources on the CPF.
-Tony
Can someone leave a post for him on the YouTube forums asking him to come to the CPF and present his creation? :poke: I do not have a YouTube account and I never had the desire to post there. He needs to know that there are other crazy people like him. Thanks.
I know there are quite a few people out there that are knowledgable in electronics and have the passion, and they just need to the push in the high power LED area. I know that Malkoff used to sell LED drivers on eBay before he jumped onto the CPF boat. This guy could accomplish so much with the resources on the CPF.
-Tony
LukeA
Flashlight Enthusiast
Done - Wonder if he'll show up.
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TigerhawkT3
Flashlight Enthusiast
+1 to all three points.
kurni
Enlightened
Well... at least no heat issue, but the efforts could have been more impressive with a bunch of R2s.
TigerhawkT3
Flashlight Enthusiast
What do you mean, "no heat issue"?
kurni
Enlightened
Erm... I might be mistaken, the 5mm LED takes very little current so no heatsinking is necessary?
I'm imagining if it's 50 Cree instead of 500 5mm I might need serious heat sinking.
TigerhawkT3
Flashlight Enthusiast
50W is 50W. With ordinary 5mm LEDs (not counting Nichia GS, which probably weren't used), efficiency is lower than XR-Es. If there were an equally-powered XR-E array, there would be more heat generated by the 5mm array. The heat would be more spread out, admittedly, but those LEDs are still creating heat, and the common 5mm package is extremely bad at getting rid of heat, with bad results.
In fact I didn't see much heatsinking there. And I'm afraid that it would melt after couple of minutes of usage on full power.
My guess is that it can have around 1000 lumens. And that can be achieved with four Cree XR-E R2 at 12W or with two underdriven SSC P7 or Cree MC-E.
My guess is that it can have around 1000 lumens. And that can be achieved with four Cree XR-E R2 at 12W or with two underdriven SSC P7 or Cree MC-E.
kurni
Enlightened
I stand corrected. Thank you for the link.
I am guessing that 5mm package is not hot because it doesn't have any thermal path, not because it doesn't generate any heat.
Thanks again,
Kurni
kurni
Enlightened
I hope he won't be heart-broken when introduced to Cree / SSC
brighterisbetter
Flashlight Enthusiast
The intention of this post wasn't to express my amazement of the output of his device, but rather to make others aware of the ingenuity of some people out there who may or may not know of CPF. While I agree that I wasn't very impressed with the overall output, I will say that it's a cool light nonetheless with one heckuva switchboard. I just think it's neat to discover others out there like ourselves.
DM51
Flashaholic
Agreed 100%! Just think what this guy might be capable of creating when he learns about the latest developments in lighting technology. I hope he shows up here!
This light is still cool and your average joe would be extremely amazed by such a light.
I would really like to see this guy show up here and use some of the new LEDs to create something.:party:
MSaxatilus
Flashlight Enthusiast
I've got two words for that guy.....
DATA BANK!!!
:crackup:
I'm sure the Data Bank would crush that thing.
MSax
DATA BANK!!!
:crackup:
I'm sure the Data Bank would crush that thing.
MSax
light_emitting_dude
Flashlight Enthusiast
Does it come with a sheath? :D
Neat light...interesting control panel also.
Neat light...interesting control panel also.
Juggernaut
Flashlight Enthusiast
I can’t grasp the fact that the guy built the thing without any idea of CPF! I saw this video a while back and figured you guys had seen it already / were in on it. Poor guy, what if he was showing that off to someone and one of use walked by and pulled out a little electrolumens ShadeSlayer-FatBoy he would probably have a heart attack:eek::faint::faint:!
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