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Testing a Nexus HB NX23 Generator Hub

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Testing a Nexus HB NX23 Generator Hub

Old 07-04-18, 02:57 PM
  #26  
fietsbob
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I wish there more choices for a bright, durable light with only a standlight and a simple on/off switch.

Schmidt eDelux is all aluminum , and does just that..
a magnetic reed switch , and a standlight.

wire for ground attaches to the case, via the bolt,
so a metal mount to the frame
can complete that side of the circuit..



...
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Old 07-04-18, 04:32 PM
  #27  
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Originally Posted by DiegoFrogs
I have an AXA Echo 30 that I bought some years back that I bought to replace another lamp. I've been happy with the performance on my "please don't steal me" city bike.

I wish there more choices for a bright, durable light with only a standlight and a simple on/off switch. It seems like many of the lights these days incorporate features that I don't need that seem more like liabilities. /old man
I have a Lumotech. If it has extra features, I don't notice them. I leave it in the on position all the time. Last week, the light stopped working, and I took an hour and went all through the wiring to find the problem. It turns out someone had "helpfully" switched it off, perhaps thinking he was saving my "battery."
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Old 07-04-18, 04:43 PM
  #28  
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Axa Pico, lotsa bang for your buck....
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Old 07-06-18, 11:28 AM
  #29  
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Originally Posted by noglider
I have a Lumotech. If it has extra features, I don't notice them. I leave it in the on position all the time. Last week, the light stopped working, and I took an hour and went all through the wiring to find the problem. It turns out someone had "helpfully" switched it off, perhaps thinking he was saving my "battery."
I have one variety of the Lumotech (Cyo T Senso Plus Bonus Advantage...) from about 6 years ago as well. Mine has three switch positions: On, Off and "I'll be the judge of that!" It's gorgeously constructed, works flawlessly and got me hooked on Dynamo lighting, but I'm glad I have the option to force the thing to be on. Some lights now only have the option of Off or "I'll be the judge of that!" This tells me that they could be susceptible to photodetector failure or shadowing.

Perhaps unlike your situation, I bring my bikes inside my apartment whenever I can. Then I like to turn the lights off. The fronts are usually simple enough, and my only rear dynamo taillight requires that I use a key or coin to bridge two conductors to discharge the capacitor, which is perfectly fine as well.
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Old 07-06-18, 12:13 PM
  #30  
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I think I have the same light, @DiegoFrogs. It's an excellent light. Why do you want to turn yours off? My dynamo powered tail lights don't have switches of any kind. When they get power, they light up.
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Old 07-06-18, 03:18 PM
  #31  
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Originally Posted by DiegoFrogs
my only rear dynamo taillight requires that I use a key or coin to bridge two conductors to discharge the capacitor, which is perfectly fine as well.
My rear B&M Toplight has a knob that you push to put out the standlight without depleting the capacitor.
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Old 07-08-18, 06:50 AM
  #32  
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Originally Posted by noglider
I think I have the same light, @DiegoFrogs. It's an excellent light. Why do you want to turn yours off? My dynamo powered tail lights don't have switches of any kind. When they get power, they light up.
It's nice to be able to turn it off after bringing it inside. The standlight on my rear stays on for about an hour after a long ride, and I don't want my house to look like the seedier areas of Amsterdam, lol.
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Old 07-08-18, 04:57 PM
  #33  
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Wow, my tail light doesn't stay on that long. Which tail light do you use?
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Old 07-09-18, 01:06 PM
  #34  
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It's the fender mounted B&M 4D Lite Plus. After about 30 minutes, there's still significant red-light action inside my house. Usually I have to discharge it, then come back about a minute later and discharge it again.

To be clear, I'm super happy with it. Discharging it by hand is fine, and ultra reliable, which matters to me a lot more than it may to most people. I don't normally like things that are jam packed with features, unless I like or need almost all of the features. Certainly not if they limit my control in ways that I think diminish the value of the product. Being able to choose between 'on' and 'off' independent of the other features is pretty basic to me.
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Old 07-10-18, 03:26 AM
  #35  
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That is a very long time. Is it getting power from the front light for the standlight?
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Old 08-12-18, 12:10 PM
  #36  
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I'm curious are there cheap USB chargers for Nexus hub generators or maybe they can be homemade?
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Old 08-13-18, 07:07 PM
  #37  
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Originally Posted by elfmachine
I'm curious are there cheap USB chargers for Nexus hub generators or maybe they can be homemade?
I tried to make one, actually made a few. But the hub is an alternator that will put out more power the faster you go and if the power is not getting used you can have some high voltages. After blowing out several circuits, I measured over 30 volts (AC) going down a hill at 25 mph with no current draw other than my meter. That was when I figured out why I was blowing out circuits. And that is when I gave up and decided to buy a ready made one.

Good luck.
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