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Old 01-30-2014, 11:19 AM   #76
Ladukebob
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Quote:
Originally Posted by Off Road Ryder View Post
We will attempt to offer all the popular bulb bases.


The first round is 5700K plans are to also offer a 4500K

Whats the color temp of the stock 990 bulbs?
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Old 01-30-2014, 01:45 PM   #77
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Quote:
Originally Posted by Ladukebob View Post
Whats the color temp of the stock 990 bulbs?
halogen from 3 to 3500K
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Old 01-31-2014, 01:18 AM   #78
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If you are still recruiting people for testing, I commute just under 100 miles per day round trip 5 days a week with about 25% twisties, 25% city streets and 50% interstate. The ~50 mile return trip home is at night, with no street lights on the twisty section of my ride.

Bikes I could use for testing include:

'12 NC700X (1x H4)
'09 Ninja 250 (2x H7)
'09 KLR650 (2x H7)
'94 DR350 (1x H4)

I'm good with a camera and can provide riding video. I'm also proficient with electrical wiring (BS in electrical engineering, have added outlets with relays to my KLR).

I do take the KLR and DR off road if you want some real world non-pavement vibration/jolting as part of the testing.
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Old 01-31-2014, 10:36 AM   #79
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I believe I saw several motorbikes in this year's Dakar using LEDs in a cluster or 4 or 5 enclosed in the headlight assembly. Anyone notice these?

Also, Audi has been racing their LMP1 Le Mans R18s for several years with LED highlights. I saw them at the Sebring 12 Hours race and they were far greater than anyone else were running.

In 2014 Audi will be using a laser lighting system on the R18 e-etron quattro for Le Mans. They are using a blue laser beam that backlights a yellow phosphorus crystal lens through which the light beam is emitted. This is in complement to the main LED highlights that they have used for several years.
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Old 01-31-2014, 04:54 PM   #80
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H11?

If you decide to make them for H11, send me a message. I am definitely interested for my Multi as it is my everyday ride.
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Old 01-31-2014, 06:37 PM   #81
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Quote:
Originally Posted by Off Road Ryder View Post
We will attempt to offer all the popular bulb bases.


The first round is 5700K plans are to also offer a 4500K
Would not the 4500k produce the most usable light? I know the 5700K is heading closer to a blue hue. What is your take on this?
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Old 01-31-2014, 07:05 PM   #82
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Originally Posted by oldf7guy View Post
would not the 4500k produce the most usable light? I know the 5700k is heading closer to a blue hue. What is your take on this?
+1
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Old 02-02-2014, 06:03 PM   #83
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Would not the 4500k produce the most usable light? I know the 5700K is heading closer to a blue hue. What is your take on this?
i've read that 5 to 6K is the brightest white.
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Old 02-02-2014, 06:04 PM   #84
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Quote:
Originally Posted by eakins View Post
i've read that 5 to 6k is the brightest white.
+1
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Old 02-03-2014, 04:31 AM   #85
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Quote:
Originally Posted by eakins View Post
i've read that 5 to 6K is the brightest white.
Color temp has nothing to do with brightness.

5600 is the (average) color of daylight, so a bulb with 5600K will illuminate things the same way daylight does. Whether or not you like that is of ocurse personal preference.

If you go above 6000 Kelvin, you will get blue to even purple color.
Go below 5k, and the color becomes more yellow/orange ('warmer' in our perspective).

But the same bulb with different color temp will basically give the same brightness (as in amount of light projected). Note also that perceived brightness is very much influenced by contrast (the difference in light relfection between different objects/colors). And contract is largely influenced by color temp of the light that is being reflected.
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Old 02-04-2014, 10:36 AM   #86
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ok it's the whitest light and thus perceived as the brightest output?
what ever wording you choose to use, everyone says choose between 5-6K for the most light down the road.

Quote:
Originally Posted by squadraquota View Post
Color temp has nothing to do with brightness.

5600 is the (average) color of daylight, so a bulb with 5600K will illuminate things the same way daylight does. Whether or not you like that is of ocurse personal preference.

If you go above 6000 Kelvin, you will get blue to even purple color.
Go below 5k, and the color becomes more yellow/orange ('warmer' in our perspective).

But the same bulb with different color temp will basically give the same brightness (as in amount of light projected). Note also that perceived brightness is very much influenced by contrast (the difference in light relfection between different objects/colors). And contract is largely influenced by color temp of the light that is being reflected.
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Old 02-04-2014, 12:10 PM   #87
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squadraquota hit it on the head. I was one of the first vendors pushing lower K #s to off road racers some 12 years ago, mostly for helmet light usage. Once we where copied, other companies started pushing 6500K helmet mounted lights attempting to show how they looked brighter to look into.
who cares how bright a light is to look into, its what's on the business side that counts.
For off road the lower K the better.



A lower K will decrease shadows and in general allow you to see better in an off road setting. For Road usage, I don't really think it matters much Not to many rocks, roots or jumps to deal with. Its best to stay away from lights over 6200K
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Old 02-04-2014, 01:32 PM   #88
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What happened to 4300 k being the closest to daylight ?
That was always the standard when choosing Hid.
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Old 02-04-2014, 02:24 PM   #89
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Originally Posted by GAS GUY View Post
What happened to 4300 k being the closest to daylight ?
That was always the standard when choosing Hid.
I don't know where you got that info. It completely contradicts what I know to be true.
http://www.3drender.com/glossary/colortemp.htm
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http://advrider.com/forums/showthread.php?t=839163
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Old 02-04-2014, 04:44 PM   #90
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Quote:
Originally Posted by Off Road Ryder View Post
I don't know where you got that info. It completely contradicts what I know to be true.
http://www.3drender.com/glossary/colortemp.htm
It may be wrong ,but it seems that was the choice in the HID lighting for long distance night riding.
If I remember correctly most of the high end lighting was 4300k.
I think Bruno of Future Vision also recommended this.
Here is an example if the link works.
http://www.futurevisionhid.com/produ...ng-lights.html
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