Dynamo Lights

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  • Doesn't rub. Those marks were there before I built the bike.
    You'll need to provide him with the following dimensions.


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    • 6145dd8b5ca625a0364501b895e2f9c81736d0d4.jpeg
  • That's fab.
    You definitely take me out of a big problem!

  • Found this on eBay, seems like just the thing to use a rear rack light on a rim brake bike. That price though...

  • Can anyone with a better grip on electronics than me help please. Rebuilding an old bike and installing a SA x-fdd dynohub with standard 6V/3W AC output. Plan is to keep the old lights but replace the bulbs with LEDs from bikeco. I'd also like to mount a switch in the front light, sort of like this

    and ideally a capacitor to get standlight function. What should I look for, I'm thinking the voltage/amps output of a dynohub is pretty puny and it would be possible to get a switch with too high resistance for proper light function? And what numbers should I look for re the capacitor??

  • I'd like to route the cable for my rear light (which is powered from the front light) along the downtube and up over the rear mudguard to look neater. I plan to use self adhesive cable clips/guides stuck on the mudguard for routing. Does anyone have any experience of doing this and/or a recommendation for clips?

  • To use the "storage effect" of the capacitor you need to convert to DC. It seems like the LEDs you've linked to work as a drop-in replacement for the bulbs (on the AC dynamo circuit) so you're going to have to add more electronics.
    Can reply more when I get to work, these links are hard to read on phone

  • Yeah I think I've figured out the wiring order (?): voltage regulator -> switch -> rectifier to DC -> capacitor -> lights -> ground. But don't know what stuff to get specifically. Eagerly awaiting your next reply!

  • https://www.reflectalite.com/circuits.html

    This looks like a good reference to me, which you might have already seen?

    For the switch, think about where you want it and the functionality you want. Where you place it in the circuit in relation to the capacitor is going to influence what's going to happen to the standlight. You can either: cut off power from the dynamo, which will leave the standlight on as the capacitor discharges or cut off current flow to the lamp, which will give you the capability to fully switch off the light when you like

  • Excellent link, thanks! Will read up a bit before buying anything.

  • Any questions, please ask. I miss electronics, my world is just graphs now.

  • Quite doable as a hobby these days especially if you like music. You can buy parts direct from China extremely cheap on eBay/etc. I have been (extremely slowly) building a MIDI keyboard out of an Arduino and have built guitar pedals in the past.

    Also enjoy this guy's videos when I have crap loads of free time:

    https://www.youtube.com/watch?v=yxtXMC7suuQ&index=2&list=PLjzGSu1yGFjXKZ5igKxwlgfGdy25yZoPN
    &v=yxtXMC7suuQ

    He is building an analogue vocoder. Also watching him opening post is very satisfying and helps control my urges to buy crap.

    Edit: fair warning, the videos aren't exactly exciting

  • Luxos IQ2.

    Water ingress. Full of condensation. WAFC.

    Only 10 months old, hopefully I can get a swapsie.

  • Definite warranty job.

    Luxos seem to suffer this a lot. I've avoided them for this reason.

  • Mine died when I hung the bike vertically in one of those shitty front-wheel hook storage things, in torrential rain. All day.

    The hole at the bottom of the light is ffing shite for vertically storing the bike.

    Got a replacement on warranty. I keep the bike outside all day regularly, flat on the ground, and I’ve had no trouble.

    Basically I’d like to see someone do a much better one with usb (or something better) power output. Only Sinewave at the moment I think, not sure if anyone here’s reported on this light, I know @Black_Rainbow_Project has bought one a while back.

  • exposure revo?

  • Missed this, will take a look.

    It has to be said the Luxos is an AWESOME light apart from the sensitivity to moisture.

  • my IQ-X has condensation too, 1 winter usage ..

  • yeah it's disappointing. My old one, now on my partner's bike, is still going strong so I guess it's pretty hit and miss. I really like the ability to charge GPS/Phone on the go while touring though, and it is a very good light otherwise so will probably just get a replacement and see how it goes.

  • the Sinewave is the best for sure. Wish you could get it without spending £400!!

  • [Revo] Oh that. Nah. Too pricey, charge output weak as you can’t turn off the light.

    Talking of pricey, Sinewave is near £400! Yikes.

  • I've had one with Red eye for 5 years now. Been nearly faultless. ( The output played up last month and they fixed it for about £20)

  • Why get the light with USB charging? If you buy them separate you have chance to move the separate bits around, you don't lose both items if one dies, etc.

  • I like the simplicity of a Dynamo, two lights.

    Just looking at all the cables and plugs that go with an Igaro makes my head explode. But yes Hippy, you are probably right.

  • As a matter of interest, are you running your light above a mudguard, or is water likely to be travelling upwards at it?

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Dynamo Lights

Posted by Avatar for hugo7 @hugo7

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