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Old 11-20-2012, 02:10 PM   #2881
sanjoh OP
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Originally Posted by jkstehn View Post
First ride home tonight in the dark. NICE!!!
Glad to hear you are happy with the light How about a pic of your installation?

Quote:
Originally Posted by jkstehn View Post
Question for the crowd: What tricks are out there to help keep the rotary dimmer from moving so easily? I mounted my dimmer on the left bar, near the turn signal and sometimes bump it with the tip of my glove when I activate or cancel the directional.

Was thinking o ring or plastic wire wrap around the body of the first switch to rub against the side of it and provide some resistance to rotation.
Oring doesn't work very well as the knob overhangs the edge of the box and the oring will roll under the knob. I'd recommend moving it to a location that is out of the way, perhaps just rotating the box in place would work?
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Old 11-20-2012, 08:51 PM   #2882
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Originally Posted by sanjoh View Post

Checked, did I reply
I still have not received any replay.
Can you answer me here?... or PM?

Many thanks!
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Old 11-20-2012, 09:16 PM   #2883
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same here....
sent two emails today that I was returning a brand new flickering light and wanted to change out the wireless dimmer for rotary. Hopefully you will let my shipping cost for the defective light cover the difference in the dimmer cost. Also you said in an email i had to wait for a repair.... really?
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Old 11-21-2012, 03:18 AM   #2884
sanjoh OP
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Emails sent, thanks for your patience. Happy Thanksgiving
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Old 11-22-2012, 04:38 AM   #2885
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Nice day for a ride.

KTM 950se with our Dual sport fairing.

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Old 11-22-2012, 06:28 PM   #2886
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M10 Flashlight gif, low, medium, high.

60 ft (18m) Tree is 200 feet or 61 meters distant.

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Old 11-24-2012, 09:17 PM   #2887
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Originally Posted by RoundOz View Post
In comparing lights output in Lumens with how many watts they consume, you are comparing the efficiency of the conversion of electrical power to light. Assuming that all the measurements are accurate, if one light puts out more lumens than another for the same wattage, then it is more efficient. The wasted watts don't just disappear however, they are converted into another form of energy, most likely heat. This is why fluorescents and LEDs produce so much more light and are cooler (generally) than halogens and incandescents.

Just because two lamps use the same type of LED (and not that I have done any research on this but I would guess that Cree makes many different grades of LED with different efficiencies and quality control levels) is not the whole story. The electronics package that drives the LED could be more or less efficient too. Less efficient means more heat and heat is the enemy of electronics. So maybe you should look for the lamp that uses the least watts? I doubt that the difference between the best and worst lamps amounts to more than a few watts in the driver board, but that is just opinion, based on the idea that if the board was producing huge amounts of heat in such a small space, even great heat sinking would not save it.

So Lumens per watt is the best way to compare lamps? Wait, there's more mud here. Lumens are a measure of the total light output of a source - in ALL directions. Even if the manufacturers are being truthful and accurate in what they state, the key to performance is getting the photons where you want them - the design and quality of the lens is the main variable here. A better measure of light output in a given direction is Lux, which measures the amount of light falling on a surface. As light from a lamp typically disperses with distance, more so with a flood beam than a spot beam, to compare output between lamps you would have to measure lux at the same distance from the source, and probably pretty close to reduce the errors of beam patterns. So what happens to the light that doesn't go where you want it to? It disperses uselessly (or usefully, depending on what you are trying to illuminate) or it bounces around inside the lamp and creates more heat.

If manufacturers are not quoting Lux, (and some do provide isolux diagrams - Lux maps, if they can be trusted or compared) and everything else is open to interpretation, what is the best way to choose lights. For my money, I guess I would keep wattage iin mind if my electrical supply was marginal...then look at beam patterns, ruggedness, customer satisfaction, return policies etc. that's where sites like advrider are a real resource.
The xm-l line is very efficient, but there are others out there that provide more lumens per chip. The xm-l line produces one of the highest lm/w. In the line the xm-l u2 is king of lm. Pushing chips to full potential produces a ton of heat on the upper limits and doesn't give many more lm.
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Old 11-25-2012, 06:28 AM   #2888
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The mystery remains*. Why AdvMonster model 60 with 4 Cree Xm-l T6 absorbs 29 watts while BD declares 44 watts for its Squadron light with same powerleds and lumens? The Advmonster data is real, I've tested it (more or less 30 watts depending on the actual voltage), and BD doesn't have any interest on declaring an higher consumption with same lumens.

Anyway as far to now I'm glad of the AdvM light which is probably the smallest 3,600 lumens led headlight, and that's very good for off road motorcycles.

*And curiosities grow: the led beam, despite its power, seems to me less deep than my feeble halogen high beam. I mean the possibility to distinguish something on the horizon. Maybe the parabolic reflector, or the led light for itself, determines an high contrasted beam without transitional zones.
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Old 11-25-2012, 06:13 PM   #2889
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Finally got around to installing my model 44s. Loving them so far! Each one individually is brighter than my stock headlight and combined its even better. The beam pattern is not ideal for roads, but I haven't seem any aux lights that have headlight like beam pattern.







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Old 11-26-2012, 01:07 PM   #2890
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Finally got around to installing my model 44s.
Nice looking install

Thanks for your business.
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Old 11-26-2012, 05:01 PM   #2891
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Originally Posted by hunter151 View Post
Finally got around to installing my model 44s. Loving them so far! Each one individually is brighter than my stock headlight and combined its even better. The beam pattern is not ideal for roads, but I haven't seem any aux lights that have headlight like beam pattern.


What happened to the gas tank in the last 2 shots. Looks like you took it off.

Are your LEDs aimed low, or just the angle of the pictures?

Nice job, nice bike.
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Old 11-26-2012, 05:47 PM   #2892
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Originally Posted by Sunday Rider View Post
What happened to the gas tank in the last 2 shots. Looks like you took it off.

Are your LEDs aimed low, or just the angle of the pictures?

Nice job, nice bike.
The last 2 pictures were actually taken before the first 2. I took them while wiring things up before I had the lights actually mounted (the tank is removed to run the wires).

The LEDs are aimed fairly low. I pretty much aimed them at the same spot the headlight is aimed at. They could probably be aimed a bit higher, but I want to minimize the blinding of others.
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Old 11-27-2012, 09:05 AM   #2893
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Quick question: I have one of these.



and it humms when dimming the LED lights. Is this normal or is there an issue?

Thanks.
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Old 11-27-2012, 11:07 AM   #2894
sanjoh OP
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Originally Posted by Yellow Pig View Post
Quick question: I have one of these.



and it humms when dimming the LED lights. Is this normal or is there an issue?

Thanks.
It can hum, although it is usually inaudible. What lights are you using it with?
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Old 11-27-2012, 06:49 PM   #2895
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One BD Squadron.
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