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Search: Posts Made By: Gomer
Forum: Nano Reefs 01/03/2008, 11:35 PM
Replies: 68
Views: 70,969
Posted By Gomer
DIY LED Cree XR-E Retro...

DIY LED Cree XR-E Retro (http://archive.reefcentral.com/forums/showthread.php?s=&threadid=1281794&perpage=25&pagenumber=1)
http://reefcentral.com/gallery/data/500/45460Cree_Retro2.jpg
Forum: Do It Yourself 01/03/2008, 11:28 PM
Replies: 26
Views: 5,723
Posted By Gomer
I would probably double the total LEDs this if...

I would probably double the total LEDs this if all you were using were LEDs on a 10g. 8 whites, 2 blue and 2 royal blue Crees XR-Es...although, you could probably get away with 5 white and a mix of...
Forum: Do It Yourself 01/02/2008, 10:15 PM
Replies: 26
Views: 5,723
Posted By Gomer
Not trying to be rude, but since this is a...

Not trying to be rude, but since this is a documentation of a specific LED project and not an overview LED post, wouldn't it be better to keep your project in a dedicated thread?
(btw, 11 watts...
Forum: Do It Yourself 01/02/2008, 12:14 PM
Replies: 26
Views: 5,723
Posted By Gomer
Thanks :) This project finally payed off! I...

Thanks :)

This project finally payed off! I am tempted to get another bicube LOL



Other info that people will want to know:


Cost of project*
Forum: Do It Yourself 01/02/2008, 12:42 AM
Replies: 26
Views: 5,723
Posted By Gomer
Comparison photos Color representation is...

Comparison photos

Color representation is fairly accurate
The following is identical: Color Balance, Iso, Aperature, 1x 50/50 24watt PC, 1x actinic 24watt PC

Top: 6x Cree XR-E Q bin @ 700mA...
Forum: Do It Yourself 01/01/2008, 11:08 PM
Replies: 26
Views: 5,723
Posted By Gomer
Right now I am going through a few thermal...

Right now I am going through a few thermal checks. I did the 5min runtime and the heatsink was cool. on the 30min one right now (with all lights on)

what I did:
1) cut my cree light in half
2)...
Forum: Do It Yourself 01/01/2008, 01:50 AM
Replies: 26
Views: 5,723
Posted By Gomer
http://www.cree.com/products/images/SMD_fullcolor....

http://www.cree.com/products/images/SMD_fullcolor.jpg

here is one of the PLCC LEDs without the phosphor coating. It has 6 contacts and the 3 emitters in the same location as yours.
Forum: Do It Yourself 01/01/2008, 01:02 AM
Replies: 26
Views: 5,723
Posted By Gomer
I am 100% possitive those are not XR-E's, let...

I am 100% possitive those are not XR-E's, let alone Q bin. I think those might be Cree PLCC SMD LEDs. .
http://www.cree.com/products/ledlamps_plcc.htm
Forum: Do It Yourself 12/31/2007, 11:24 PM
Replies: 26
Views: 5,723
Posted By Gomer
Another comparison, this time in freshwater. ...

Another comparison, this time in freshwater.

Again, all images are directly comparable. Exact same settings for all images

2x39 T5HO GE Starcoats
1x36watt AH Supply 6700k CoraLife
12x Cree...
Forum: Do It Yourself 12/31/2007, 06:58 PM
Replies: 3
Views: 430
Posted By Gomer
Right now, LEDS are efficient enough, but they...

Right now, LEDS are efficient enough, but they are a bit pricey still and are more of a fun experiment for the sadistic :P

In 1 year, they will definitely be economical and efficient enough to be...
Forum: Do It Yourself 12/31/2007, 06:08 PM
Replies: 3
Views: 430
Posted By Gomer
LEDs do not need reflectors since they are...

LEDs do not need reflectors since they are directional sources. Depending on how low you get them to the water and what LEDs you use, you may need secondary optics.

You can keep the heat down...
Forum: Do It Yourself 12/31/2007, 03:25 PM
Replies: 26
Views: 5,723
Posted By Gomer
Aren't Solaris users reporting good growth? I...

Aren't Solaris users reporting good growth? I would put my $ on maintenance over the LEDs for your test tank. Also, you can use Royal Blue instead of Blue crees.
Forum: Do It Yourself 12/30/2007, 11:33 PM
Replies: 26
Views: 5,723
Posted By Gomer
If you are asking me, that is 12 LEDs driven at...

If you are asking me, that is 12 LEDs driven at about 2.5watts each, or 30watts total.
Forum: Bay Area - Reefers (BAR) 12/30/2007, 09:51 PM
Replies: 1
Views: 265
Posted By Gomer
hmm. perhaps a sporting goods or camping place? ...

hmm. perhaps a sporting goods or camping place? I used to get heatpacks from them in the past. Not sure if they are 72hr ones though.
Forum: Do It Yourself 12/30/2007, 12:15 PM
Replies: 26
Views: 5,723
Posted By Gomer
They are 30deg (60deg full angle) optics) ...

They are 30deg (60deg full angle) optics)
http://www.ledil.fi/crs.pdf The CRS-W optics.


When you are used to seeing tanks with actinic bulbs where a "yellow tank" is all 10,000k bulbs, even...
Forum: Do It Yourself 12/30/2007, 01:40 AM
Replies: 5
Views: 630
Posted By Gomer
You can get Q5's for 7.75 each...at that point,...

You can get Q5's for 7.75 each...at that point, they are arguably cheap enough.
Forum: Do It Yourself 12/30/2007, 01:38 AM
Replies: 26
Views: 5,723
Posted By Gomer
DIY Cree LED light

I have this posted elsewhere, but I thought I'd cross post to RC as well for those of you that are interested.

The following is of a pure white light (not specific for a reef, although I...
Forum: Bay Area - Reefers (BAR) 12/10/2007, 01:38 AM
Replies: 8
Views: 585
Posted By Gomer
While looking through the list of options (thanks...

While looking through the list of options (thanks guys!!), I saw the Elos System 70. oh man that is nice! bet it would kill my bank account too LOL
Forum: Bay Area - Reefers (BAR) 12/09/2007, 09:27 PM
Replies: 35
Sticky: About BAR
Views: 10,407
Posted By Gomer
That part should now be taken care of :)

That part should now be taken care of :)
Forum: Bay Area - Reefers (BAR) 12/09/2007, 04:44 PM
Replies: 8
Views: 585
Posted By Gomer
Custom Tank Builders?

Any custom acrylic or glass tank builders up in the bay (east?) area?
Forum: Bay Area - Reefers (BAR) 11/25/2007, 12:33 PM
Replies: 35
Sticky: About BAR
Views: 10,407
Posted By Gomer
I registered a while ago and still haven't gotten...

I registered a while ago and still haven't gotten approval.
email=algomez(at)uci(dot)edu
id=Gomer
Forum: Do It Yourself 07/23/2007, 01:52 PM
Replies: 246
Views: 38,602
Posted By Gomer
It was never setup for a reef, but my luxeon...

It was never setup for a reef, but my luxeon project is still going strong after about 9 months on my freshwater planted tank. Everything is running as well as when I started it and plants continue...
Forum: Soft Coral Keepers 04/05/2007, 07:20 PM
Replies: 10
Views: 474
Posted By Gomer
Consider that people often frag leathers by...

Consider that people often frag leathers by slicing them up with razors or scissors, or the people that propogate shrooms with the "blender method", I don't think a little sword stab is a big deal :)
Forum: Southern California Reefers 04/05/2007, 07:14 PM
Replies: 269
Views: 17,499
Posted By Gomer
Just a recommendation: With any type of...

Just a recommendation: With any type of advertising, you may want to highlight the location and add in a date :)
Forum: Southern California Reefers 04/02/2007, 02:32 PM
Replies: 8
Views: 389
Posted By Gomer
http://www.amazon.com/s/ref=nb_ss_gw/104-4470453-9...

http://www.amazon.com/s/ref=nb_ss_gw/104-4470453-9101514?url=search-alias%3Daps&field-keywords=planet+earth&Go.x=0&Go.y=0&Go=Go

Normal DVD, Blu-Ray and HD-DVD
Showing results 1 to 25 of 152

 
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