http://www.superbrightleds.com/cgi-b...LF-xW30SMD.htm

Im thinking of doing this bar. itll be the brightest (816 lm) unit. Since they are 20" each, ill be doing two bars for a total of 1600 lm at 40"

- Is this bright? itll be focused at a 120 degree spread under my roof rack.

 

I'd run it past Jp7. I'm sure he can shed some light on the subject.

 

Those light bars are not intended to be used for that application as they have no reflectors. At 1632 lumens it isn't very bright either.

 

nice pun son

 

I was wondering how bright it would be. ok. if its not bright then screw it.

 

a 2-D maglite is 36.5 lumens. so its like having 43 maglites on the front of the truck. itd be bright. but no that bright

http://www.chuckhawks.com/maglite_flashlights.htm

 

The problem is that light bar does not have reflectors. Those would work for bed or toolbox lighting.

An 8" X Vision puts out 2160 lumens, which would be a better option.

 

SMD Led's are different than normal LED's. Evidently they are crazy bright. I have one in the back of my BlackBerry. Its stupid bright. its brighter than my 9LED harbor freight el cheapo flashlight by leaps and bounds.

that X-vision thing is 279 bucks!!! i could buy 14 of these light bars for that and thatd be 11,200lm. thats nuts.

ive got plenty of light right now (550 watts worth lol) but this would be nice to mount in grille as driving lights ya know. thanks yall! good input so far

 

a lumen is still just a lumen regardless if it's an smd led, and incandescent light, or a firefly.

 

but a lm rating when compared to other objects isnt comparable to brightness. its how its focused. a mac daddy light bulb and a wimpy spot light may have same lumen rating but which would you rather drive with...spot light.

these are 120 degree smds thats pretty direct...maybe

 

they aren't that direct, I have some singles in my cab. Those lights are not meant for driving lights they are more for lighting something up like KLC mentioned, toolbox, interior, etc.

If you are just looking for driving lights, look at these
http://www.superbrightleds.com/cgi-b...w8hf_specs.htm

And lumens is still a measure of visible light output. beam pattern/distribution is more based on the housing than the actual lightbulb or diode, but lumens is a pretty absolute measurement of brightness, wherever the light ends up going.

 

Those would make cool under bedrail lights

 

Thats exactly what I thought when I saw them.

 

1600 lumens is not that bright. It's close to the output of a pair a 35 watt halogen bulbs. When they rate LEDs in lumens, the calculation takes into account their directionality. That bar isn't all that bright as a flood light. It likely throws less light than your factory fogs.

 

ok so key here would be at least double the lm and more acute spread of light?

and could I get any pointers of good brands to look into? when i search "LED truck light bar" its always comes up as the brake strip

 

Vision-x, rigid industries (most popular purely based on marketing) and MY favorite, Baja designs

And there are tons of vision-x copies that work fine for cheaper but use cheap electronics and LEDs which mean less light output and a crappy warranty

 

roger that. thanks boss.

 

Rigid has hundreds of actual night shots on their facebook page too