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Battery power vs USB rechargeable tail light

Old 08-09-19, 02:45 PM
  #101  
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Originally Posted by angerdan View Post
A used B&M Ixon IQ Premium costs just around 50 bucks.
The B&M Ixon Space delivers 80lx for 6 hours and 20lx for 30 hours.
bumm.de/en/products/akku-scheinwerfer/produkt/196l.html

On the display you'll see the remaining runtime.
Like with the Trelock LS 760
trelock.de/web/en/licht/batterie/LS_760_Vision.php
Thanks, @angerdan. (What a funny name.) I have the Ixon Core, and it's excellent, especially the battery life. The rubber band mount is disappointing. I'd like to have the bolt-on mount.

I removed my dynamo powered lights from my favorite bike when I overhauled it. It's going to be a big project to put them back on. In the meantime, I'm using my Ixon light. I wish these lights had a flashing mode, but that's not legal in Germany, so they don't provide the mode. But it's not a deal-breaker for me.
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Old 08-09-19, 04:48 PM
  #102  
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Originally Posted by angerdan View Post
I'm talking about blinding (to be exact the luminous intensity), you're talking about luminous flux.
https://swhs.home.xs4all.nl/fiets/te...l#terminologie

A real 40lm taillight costs around $30-60 - if it's cheaper it's not real 40lm of red light.
100lm taillight is so extremely bright during the day, that it blinds everyone inside the core beam angle.
A usual 500lm headlight without reflector blinds everyone who's inside the main beam angle and closer than 50m.

Not even to mention, that during night the contrast is extreme and the bling increases even more.
Simply not true. And I’ve tested it with lights well beyond those ranges in front and back. That includes up to a Lupine Betty at 5000 lumens in the front (that will blind someone) but at these lumen ranges, simply not true.
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Old 08-10-19, 01:08 AM
  #103  
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Lightbulb

Originally Posted by noglider View Post
I have the Ixon Core, and it's excellent, especially the battery life. The rubber band mount is disappointing. I'd like to have the bolt-on mount.

In the meantime, I'm using my Ixon light. I wish these lights had a flashing mode, but that's not legal in Germany, so they don't provide the mode. But it's not a deal-breaker for me.
Unfortunately the Ixon Core mount can't keep up with the Ixon IQ mount. Don't know why they invented a new mount instead of using the proven Ixon mount.

You can add an white Cateye blinking light to the handlebar for visibility.
A blinking headlight during dark wouldn't show you always the way and distract incoming traffic.
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Old 08-10-19, 11:33 AM
  #104  
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Originally Posted by angerdan View Post
Unfortunately the Ixon Core mount can't keep up with the Ixon IQ mount. Don't know why they invented a new mount instead of using the proven Ixon mount.

You can add an white Cateye blinking light to the handlebar for visibility.
A blinking headlight during dark wouldn't show you always the way and distract incoming traffic.
Right. I would never use a blinking light to show my way. I don't know how people do that. But Cygolite lights have a "steady flash" mode which emits continuously at medium intensity and gives pulses every second or so at high intensity. It's good for attention grabbing. And I don't think any kind of pulsation or flashing is too distracting to motorists, and it is something I concern myself with.
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Old 08-12-19, 01:59 PM
  #105  
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Originally Posted by JohnJ80 View Post
Simply not true. And I’ve tested it with lights well beyond those ranges in front and back. That includes up to a Lupine Betty at 5000 lumens in the front (that will blind someone) but at these lumen ranges, simply not true.
Sorry, I'm a little late in commenting but as usual I agree with most of your comments. However angerdan makes a good point that even a 500 lumen lamp can be blinding at a certain distance under certain conditions. Those conditions would be something like > A completely dark environment > Direct line of sight with the light source within ~ 50 meters. All of this would be true even if using a bike light designed with cut-off. That's because even with cut-off there is always some forward upper spill. Just keep in mind all of what I just said is only true when the people on the MUP choose to look directly at the light source. Smart people will just look away or look down. Strange but one night I had a lady shine an LED flashlight directly at my face as I was passing. While this totally pissed me off I just turned my head and continued on my way. ( Of course the next time that happens I will stop, turn around, turn on my 1200 lumen helmet torch I keep on stand-by and give them a dose of their own medicine ).

Anyway, the only time I worry about blinding someone with my Raveman lamps is when I'm on a paved MUP. This is the only situation where there is direct line of sight ( pedestrians and cyclists ) with the beam pattern. If I see approaching traffic on the MUP I immediately hit the remote and drop the output to low till I am past the people who are on the trail. On an MUP I don't use a flasher ( just the lamp on low ) when it's not completely dark. Otherwise when riding on the road I use a separate low power flasher mounted to my fork ( set to flicker ) and one of my Raveman lamps ( with cut-off beam pattern ) on the bars, usually set on the 450 lumen mode to give me maximum run time. At times though I need more forward throw so I have a Gemini Duo ( spot / spot optics with wireless remote ) set up on a bar extension to use for "high beam only duties". I find this set-up very necessary / useful where I live because of the local deer that love to graze at the side of the roads at night. Real important to see the deer BEFORE you are right next to them so you have more time to react to whatever they do when they see or hear you coming. If it's late at night and no cars around I will use the high beam more ( in certain areas ) when on the road.

Last edited by 01 CAt Man Do; 08-12-19 at 02:12 PM.
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