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Old 08-08-14, 04:04 PM   #1
Robert C
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I got an Alfine Magnito Hub and an AXA Nanao headlight . . . what does that mean?

That means I am of to walmart to get a headlight before it gets dark tonight.

Mt headlight was working, then I rode on wet streets, not puddles, just wet. The headlight has not worked since. I just checked, it is putting out less than .25V

This is my second Schimano magneto hub. The first one had so much drag that the only time I was willing to use the headlight was on long descents. This second one has an aversion to humidity.

I really wanted it to work because I wanted a low-maintenance . . . just hop on and ride . . . commuter bike. I know some of you have had better luck with magneto hubs; but I think this second try will be my last for a long time.

I have had better luck, and a lot better reliability, with the cheap high-intensity cree lights form Amazon (yes, I always put the defuser lens in them so I have a reasonable cutoff).

. . . seriously, I am out of here for a while, I need to get a headlight before it gets dark.
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Old 08-15-14, 06:21 AM   #2
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Okay, I figured out what is happening to my AXA Nano light. It is working. The problem is that it takes about a half of a block, or more, of riding to turn on.

So, yes, it is working; it is just not working well. However, it is probably working as well as it ever will and as well as it is designed to work.

At this point I can understand why REI made to choice to not put a dyno-driven light on the 2014 Gotham; it was probably a good choice.

So, as I think about it, I have had three dyno lights: one was a bottle light back in the 70's/early 80's. It was weak, that is all I remember about it; in fact, I had forgotten it entirely. I also had the one I mentioned that had excessive drag. Now I have this one.

This one has the problem mentioned here, it is very slow to turn on. There is also the annoyng issue that when off it sounds like a metal lathe as i ride.

The dyno lights seem like they would be good in theory; however, in practice they have not worked out well for me. I will keep using it because now that I understand its limitation I can deal with it. However, I would not advise them to others.
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Old 08-15-14, 11:24 AM   #3
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no issues , myself .. Schmidt hubs + their Halogen bulb light gave way to the eDelux LED

And my Brompton-Shimano hub, B&M Eyc T & line + taillight work fine, no noticeable drag ..



I note the Nano 50 includes a USB output that circuitry may need to be charged first .( though you cannot charge the gizmos with the light on)

Nano50*-*axa-stenman

I don't need the i-gizmos .. so the light alone is fine, it comes on within 3 Meters of riding.
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Old 08-15-14, 11:47 AM   #4
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Is the hub the problem or the light?

If you have a Shimano dynamo hub, I'm pretty surprised to hear that it's not working right. Shimano's stuff from the last 5 years or so is pretty good, and it not working in humidity suggests to me - if it is actually the hub - that maybe it's a defect in your particular unit. I ride mine in winter, it ends up covered in snow, hit with water, etc - it just keeps on working great.

Your Axo Nano light, though, I wouldn't be shocked about it being defective. Every time I read about them, the story seems to be that they make cheap shoddy dynamo lights. Busch and Mueller make far, far higher quality lights, like the Cyo Premium. At least that's what I've read -

But I have Shimano dynamo hubs, and neither my hubs nor my Cyo has ever had any issues. And like I said - one of them is on my winter bike, and I live in Minnesota and bike in the winter hear.

I'm sorry and surprised things haven't worked out for you. Wonder if it's the light or the hub.
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Old 08-15-14, 01:15 PM   #5
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Something is very wrong. This is not typical. I have too many bikes to mention, and I'm in the process of installing dynamo lights on nearly all of them. They are all working like champs. The lights flicker at low speed, but they come on right away. After riding just a little, the capacitor for the standlight is charged. The light that the systems produce is very impressive. With my Sanyo dynamo hub, I can feel vibration, but I cannot perceive the drag. I know the drag is there, but I can't feel it.

I have one Philips headlight, and it's excellent. I think I like B&M lights better. I think they're fantastic.
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Old 08-18-14, 04:55 PM   #6
Robert C
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Quote:
Originally Posted by noglider View Post
Something is very wrong. This is not typical. I have too many bikes to mention, and I'm in the process of installing dynamo lights on nearly all of them. They are all working like champs. The lights flicker at low speed, but they come on right away. After riding just a little, the capacitor for the standlight is charged. The light that the systems produce is very impressive. With my Sanyo dynamo hub, I can feel vibration, but I cannot perceive the drag. I know the drag is there, but I can't feel it.

I have one Philips headlight, and it's excellent. I think I like B&M lights better. I think they're fantastic.
Where did you source the Philips headlight?

I am looking at other lights at Peter White; I am just hesitant to throw more money at something that Isn't working well. One thing I may do is take the light I have, the AXA Nano, apart and replace the capacitors. Generally it is the capacitors that are bad in cheap electronics; and the behavior of the light seems to indicate bad capacitors.
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Old 08-18-14, 06:01 PM   #7
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I get my lights from xxcycle.com. The prices are good enough to justify the shipping costs. I really ought to support Peter White, though, even at his prices.

Have you measured the output of your dynamo? I'd do that before disassembling the light!
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