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Enderman

The LIGHTCANON - [flashlight]

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Posted · Original PosterOP

post-4438-0-99719600-1441257153_thumb.pn

*misspelled purposefully to be the first result in google searches for "lightcanon" ;)

 

 

Welcome to my custom flashlight build log!

The LightCanon is an aspheric lens flashlight designed for maximum throw.

 

Called "lightcanon" instead of "lightcannon" so that its easier to find on google, and also because I forgot cannon has two ns instead of one...

 

"Throw" is the distance the light beam can reach. In this case, a high power LED combined with a lens will give us a highly concentrated beam of light, theoretically reaching over 1500m ANSI throw distance.

The total cost of the project approximates almost $400 in parts.

 

 

 

Parts list:

 

-Adhesive black-out material

post-4438-0-56311200-1441161815.jpg

 

-Cree XP-G2 LED mounted on a Noctigon 20mm board

post-4438-0-20646200-1441161816.jpg

 

-Fasttech 100mm 5-120 degree aspheric lens

post-4438-0-63661400-1441161816.jpg

 

-Fasttech V10+ 5A LED driver

post-4438-0-17162200-1441161817.jpg

 

-Wavien RLT large collar

post-4438-0-65695300-1441161817.jpg

 

-Intel BXTS13A heatsink

post-4438-0-18126500-1441161818.jpg

 

-Arctic Silver Alumina thermal adhesive

post-4438-0-67545400-1441161818.jpg

 

-1S-6S LiPO battery voltage indicator

post-4438-0-13993400-1441161819.jpg

 

-Associated Reedy 1S 3.7V 8000mAh 70C LiPO battery

post-4438-0-52469500-1441161819.jpg

 

-100mm PVC sewer pipe

post-4438-0-93270300-1441161819.jpg

 

-assortment of cables, connectors, and switch

 

-thin 80mm 5V computer fan (from a laptop cooling pad)

 

 

 

The goal:

 

I am confident that this flashlight will be able to reach this distance, as other people using similar hardware have already reached this and more.

When the flashlight is finished we will really see how far it can go...

post-4438-0-79272700-1441161942_thumb.jp

^ it says 1200m (almost 4000ft) at the bottom center

 

 

 

More coming soon! Thanks for reading :)


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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That LiPo battery is scary... Those voltage alarms aren't very good, I have one for my quadcopter and it's not exactly accurate, it's like 0.3V off most of the time, perhaps that just because its drawing more when fully loading the motors. 


CPU: Intel 3570 GPUs: Nvidia GTX 660Ti Case: Fractal design Define R4  Storage: 1TB WD Caviar Black & 240GB Hyper X 3k SSD Sound: Custom One Pros Keyboard: Ducky Shine 4 Mouse: Logitech G500

 

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Posted · Original PosterOP

That LiPo battery is scary... 

how so? :) its pretty tiny, about the size of a phone, but twice as thick


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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how so? :) its pretty tiny, about the size of a phone, but twice as thick

Well it can deliver up to 560 amps... 


CPU: Intel 3570 GPUs: Nvidia GTX 660Ti Case: Fractal design Define R4  Storage: 1TB WD Caviar Black & 240GB Hyper X 3k SSD Sound: Custom One Pros Keyboard: Ducky Shine 4 Mouse: Logitech G500

 

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Posted · Original PosterOP

Well it can deliver up to 560 amps... 

thats true, its an RC car battery pack

typically you want those to be at least 2x required output by the car

 

im only going to be using it at 5A though, so it should last about 1.5hrs at full brightness


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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Posted · Original PosterOP

Ohh this looks good  :D

 

BTW for the 12V fan you might want an adjustable buck boost to go higher than the 3.7V output of the li-po battery.

Thanks! :)

 

im not actually using the fan from that cooler

I have a smaller 5v fan which works with 3v, so it will work fine with the 3.7v lipo

forgot to add that to the parts list :P


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Thanks! :)

im not actually using the fan from that cooler

I have a smaller 5v fan which works with 3v, so it will work fine with the 3.7v lipo

forgot to add that to the parts list :P

 

This kind of reminds me of this video I saw where this guy used a Xenon bulb and PVC tube to make an underwater light:

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Posted · Original PosterOP

So your making something similar to what DIY Perks did?

 

sort of, but instead of going for a ton of lumens im going for maximum throw

which requires a really small LED, and a very large lens


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

Fair enough @Enderman and good luck for the flashlight

Thanks :)


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

UPDATE!

 

 

 

This is the prototype flashlight I experimented with this summer.

 

Fenix TK41 with reflector removed, 70mm lens, and dedomed. (the pictures are before it was dedomed)

post-4438-0-51598500-1441246306.jpg

 

post-4438-0-39328700-1441246307.jpg

Approx. 900m ANSI throw!

post-4438-0-44734500-1441246308.jpg

 

 

 

For the flashlight I'm currently building, I made some progress with a few of the parts I already have.

 

Flashlight body cleaned and cut to size:

post-4438-0-42453200-1441246309.jpg

 

Focusing piece installed with light absorbing adhesive on the inside:

post-4438-0-55722100-1441246310.jpg

 

Lens installed with 6 screws for easy removal but still secure:

post-4438-0-54857800-1441246311.jpg

 

80mm 5V cooling fan installed in end cap:

post-4438-0-89931000-1441246312.jpg

 

Some light absorbing adhesive around it for looks:

post-4438-0-15079600-1441246314.jpg

 

Two vents near the front of the light for exhaust:

post-4438-0-94203700-1441246315.jpg

 

Current flashlight build state:

post-4438-0-93702300-1441246316.jpg

 

 

 

Thanks for reading!  :)

post-4438-0-51598500-1441246306.jpg

post-4438-0-39328700-1441246307.jpg

post-4438-0-44734500-1441246308.jpg

post-4438-0-42453200-1441246309.jpg

post-4438-0-55722100-1441246310.jpg

post-4438-0-54857800-1441246311.jpg

post-4438-0-89931000-1441246312.jpg

post-4438-0-15079600-1441246314.jpg

post-4438-0-94203700-1441246315.jpg

post-4438-0-93702300-1441246316.jpg


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

Spoiler

Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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Posted · Original PosterOP

UPDATE!

 

 

 

Made some progress on the flashlight body as well as some interior components...

 

 

The end cap 80mm slim fan for intake:

post-4438-0-28984300-1441689989.jpg

 

Cut some vents in the front of the flashlight for exhaust:

post-4438-0-81662200-1441689990.jpg

 

This is the intel TS13A 2011 CPU cooler. I used this cooler because it is exactly a 100mm circle and fits perfectly in the flashlight. It also has 140W TDP :)

post-4438-0-09960300-1441689993.jpg

 

The cooler with the mounting tabs bent upwards to fit and to be screwed in:

post-4438-0-69593300-1441689994.jpg

 

Arctic Cooling MX-4 thermal paste for the LED, just like my CPU!

post-4438-0-73633800-1441689996.jpg

 

This is the large Wavien RLT collar. It uses a "light recycling technology" to increase the brightness of the LED.

More of the light is focused forward rather than being wasted out the sides.

post-4438-0-07593500-1441689999.jpg

 

With the LED inside:

post-4438-0-77131000-1441690001.jpg

 

Its a perfectly spherical reflector directly centered on the LED:

post-4438-0-22166000-1441690004.jpg

 

Looks kinda cool IMO, and it does really make a difference, which I will show in a future post.

post-4438-0-07414900-1441690006.jpg

 

Inside shot:

post-4438-0-99988300-1441690007.jpg

 

 

 

Next update will be a test of the working flashlight (without the real battery though, thats currently in shipping)

Thanks for reading!


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

UPDATE!

 

 

 

So I have done some testing with temporary wiring and two AA batteries (only 3v and very little current)

 

 

As you can see its not bring at all, but everything does work :)

post-4438-0-23663900-1442108542.jpg

 

The point is very concentrated, but not a perfect square due to the lower quality of the lens.

post-4438-0-28154900-1442108543.jpg

 

There are barely any "rings" due to all the black light absorbing material , but some light does escape out the front ventilation (which I have recently fixed)

post-4438-0-23299400-1442108544.jpg

 

The light does not bother the eyes when looking at it from the front, not the hotspot.

post-4438-0-10834700-1442108545.jpg

 

Here you can see some of the side light leaks, which I fixed after taking these pictures...

post-4438-0-52429800-1442108546.jpg

 

Overall very satisfied with construction, cant wait to get the real battery and try it out on full power!

post-4438-0-87662200-1442108547.jpg

 

 

Thanks for reading!


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

Spoiler

Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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Posted · Original PosterOP

@Enderman Can you put this on roids so I can see if from across the world? Looks sick so far.

I think the earths gravity would need to be much stronger to bend a light beam so that it can reach the other side of the world :(

 

Some day I will find a way to perfectly collimate light, so it has a 0 degree beam (even lasers dont have a perfect 0-degree beam!)

 

And thanks :D


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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Posted · Original PosterOP

Wow, I wish my flashlight was badass enough to require a fan xD

A lot of people build flashlights this powerful but use a large chunk of metal as a passive heatsink and thats enough

 

I need to use a fan because there is no airflow inside that PVC tube which acts like insulation...

Also the LED produces a higher output when running at a lower temperature, so cooler is better :)

 

I was originally planning to cool it with liquid cooling, but that was going to be a lot more complicated and expensive. Maybe in the future, who knows...


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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A lot of people build flashlights this powerful but use a large chunk of metal as a passive heatsink and thats enough

 

I need to use a fan because there is no airflow inside that PVC tube which acts like insulation...

Also the LED produces a higher output when running at a lower temperature, so cooler is better :)

 

I was originally planning to cool it with liquid cooling, but that was going to be a lot more complicated and expensive. Maybe in the future, who knows...

Liquid cooling would be cool, what about one of these for a radiator, and of these for the pump?


I used to have guides here

CPU: 4670k 4.4ghz GPU: GTX 970 G.1 1534mhz

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Posted · Original PosterOP

Liquid cooling would be cool, what about one of these for a radiator, and of these for the pump?

I was thinking of an H50 and swapping out the radiator for one of those tiny ones...

But looking at the flashlight now I would need to make it longer to fit all that, plus the H50+extra rad would cost about $100-150

 

Definitely a good project for the future, but for now I'm out of moneys :P


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

UPDATE!

 

 

 

So I have finally received the battery, and here are some indoor shots of the flashlight and beam.

 

 

This is the 3.7V LiPO 1s 70C 8000mAh RC battery pack...it was not cheap, over $100 just for this + shipping/fees :(

post-4438-0-48440700-1443251026.jpg

 

Here you can see the switch and charging port. I am still waiting for my voltage display to arrive.

post-4438-0-98851700-1443251026.jpg

 

This is all the wiring inside, not the neatest cable management in this small space...

post-4438-0-49334800-1443251027.jpg

 

But the battery fits, so that's good!

post-4438-0-09582200-1443251028.jpg

 

This is the side view of the pretty much completed flashlight. (on the PVC pipe stand I made)

post-4438-0-02348400-1443251029.jpg

 

And the light at full power:

post-4438-0-97576800-1443251029.jpg

 

Very concentrated beam, only a few rings of spill.

post-4438-0-58486500-1443251030.jpg

 

Here I sprayed some water mist over the beam for visibility

post-4438-0-58410300-1443251031.jpg

 

Looking at the light from in front (but not in the hotspot) doesn't hurt the eyes at all:

post-4438-0-50788600-1443251032.jpg

 

And finally pointing at the tv (which absorbs tons of light) you can see the actual beam.

post-4438-0-90134700-1443251032.jpg

 

 

Outdoor pictures coming soon!


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

So I went outside tonight and got a bunch of great beamshots.

There is a lot of light pollution here in the city, as well as a FULL FREAKING MOON, but the beam is still clearly visible.

 

 

The center spot is not as intense as I expected it to be, but there are several things that could be causing this:

 

-The Wavien collar is not focused correctly (half a millimeter can make a huge difference)

I can try fixing this in my free time and hopefully get a more intense beam

 

-The lens is not perfect enough (you can see from some pictures that its not evenly refracting light)

I will be ordering more lenses from fasttech, one identical one and some other models for testing, hopefully I get a better quality one

 

-The cables going to the LED are causing restricted current (I highly doubt this since I tested them at 0.4 ohms, very little resistance)

I need to buy a multimeter that can measure amps, since my multimeter amp function is broken

 

 

Other than that it works great, has very long runtime, and remains extremely cool during operation! :D

Beamshots will be uploaded tomorrow morning


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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Posted · Original PosterOP

UPDATE!

 

 

 

Here are a bunch of beamshots of the Lightcannon, taken outside in the city with a bunch of light pollution as well as a full moon.

The images are taken at 400ISO, and look the same if not slightly darker than what I could see with my own eyes. (800ISO was way too bright)

 

 

This is from my backyard (these are not the greatest pictures because my camera didn't like to focus very well in the low light :( )

post-4438-0-16630400-1443379576.png

 

Side view of the Lightcannon you cansee quite a bit of light leaking out the ventilation, I'm working on fixing that.

post-4438-0-96640100-1443379577.png

 

Beam in the dark but not pitch black sky:

post-4438-0-48619600-1443379579.png

 

Looking from the front/side

post-4438-0-33749000-1443379581.png

 

Here on the sidewalk, even with the bright streetlamps the beam is still visible!

post-4438-0-82100600-1443379582.png

 

Same place, different angle

post-4438-0-90595300-1443379583.png

 

Now this is pointing at a very dark green tree which soaks up tons of light:

post-4438-0-02182300-1443379585.png

 

Pointing at a repeater antenna about 200m away, looks much brighter because it is silver/white and reflects light better than a tree:

post-4438-0-37743300-1443379586.png

 

And finally pointing at a tree 200m away ( I will be doing longer range tests when I have time, this was just a "trial run" to make sure no issues occurred during use :) )

post-4438-0-53978800-1443379587.png

 

Proof of 200m distance:

post-4438-0-44680500-1443379590.png

 

 

I will work on tweaking the lens/ Wavien collar to maximize the beam intensity, and when I get that fixed we will do more tests at longer distances!


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Posted · Original PosterOP

Just ordered some more parts from fasttech for testing (aka trial and error :P )

 

Another lens, this one 100mm but a few mm thicker

1583700-2.jpg

https://www.fasttech.com/products/1606/10002523/1583700

 

Another lens, this one 102mm and thinner

1660903-2.jpg

https://www.fasttech.com/products/1606/10007641/1660903-jgf-st102-102mm-optical-glass-biconvex-lens

 

And another lens, this one also 102mm and even thinner

1660904-2.jpg

https://www.fasttech.com/products/1606/10007641/1660904-jgf-st102-102mm-optical-glass-biconvex-lens

 

And finally a second LED driver, this one a different type (just for testing purposes, the one I have already works ok but its always nice to have a spare!)

1424817-1.jpg

https://www.fasttech.com/products/1612/10005304/1424817-tr-0124-14-66w-5-mode-led-flashlight-driver-for

 

 

I am going to be posting some comparisons of all these lenses soon so that people who also want to build an aspheric flashlight can choose based on how each lens performs.

 

PS-The Wavien collar WAS out of focus! Currently working on remounting it properly.


My sound system uses more power than my PC.        Check out my S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Intel i7 4790k | ASUS GTX770 DCUII | ASUS Sabertooth Z97 Mark S | Corsair Vengeance Pro 32GB | NZXT S340 White | Seasonic Platinum 760 | Fractal Design Kelvin S24 | Ducky ONE RGB White TKL | Logitech MX Master 2S | 2x Samsung 850 Pro 512GB | WD Red 4TB Samsung 55" TV | 2x Behringer NEKKST K8 | BIC Acoustech H-100II

 

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