"Sunup Eco" generator?
Just saw this thing on eBay, and can't find much technical info about it. Has anybody tried it? How does it even work? Is it an induction system, like the Reellight?
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Here you can find some experiences about the SunUp eco dynamo.
http://swhs.home.xs4all.nl/fiets/tes.../index_en.html Quite heavy when you compare the lighter hub dynamo. I just ordered the SP PD-8 dynamo from that guy. It is lightweight and small. |
not a bad idea, but it's pretty expensive. I probably would have ordered a SP dynamo from him had I not just ordered a Sanyo
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Originally Posted by unterhausen
(Post 13614417)
not a bad idea, but it's pretty expensive. I probably would have ordered a SP dynamo from him had I not just ordered a Sanyo
I suspect the Sunup is an attempt to be as good as the classic dyno hub but in a bolt-on solution requiring no mods to the basic bike. I have confirmed with the company that it is compatable from 16 to 48-spokes. So the total bill is 125USD which is more acceptable to me than $425. I was interested enough to just order one off ebay. I am adding a good head and tail light sourced from PeterWhite's site which I will use for whatever dyno I finally end up using. For what it is worth: One of my desires was to see if it would work on the right side of the front fork...Based on data gathered so far, it seems that such will not be likely. The space from the spokes to the fork blades is quite a bit smaller than what seems to be the space required for the dyno. I will try it to confirm it one way or the other. Shame such a placement wasn't considered during design since it is the only readily available space for use on most bikes. The intended left rear spot is already in use in many bikes for a disk (or drum) brake. I have already passed that comment back to the company. Seems their market is mostly toward bikes with rim brakes (Canti's, V's, Centerpulls, etc.). So standby for some testing results in about a week to 10 days.When the unit arrives, I'll give it a whirl and post pictures and data to the forums for all to examine and smile or snicker depending on your bent on such. |
Hello,
Have you had any lock putting it on the front wheel? |
Originally Posted by lapaffe
(Post 16608187)
Hello,
Have you had any lock putting it on the front wheel? I was almost ready to say that I would go out to the shop and stick it on a disk hub and see if it would be close, but found that both of the front disk hubs I have on hand are 135mm OLN (I am redesigning my world towards my new tandem design which will be 160mm rear, 135mm front with mounting points for disks and canti's on both ends (10" in rear, 6" or 8" in front) but I don't have any folks made to that size yet. It will have to wait a bit. /K |
Ok, thanks for the insight!
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Originally Posted by ksisler
(Post 16627261)
The unit itself is rock solid and works fine. Puts out good power for lights (awesome with LED).
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Lapaffe - apologies in that I didn't answer your question. The answer is no re the front wheel position. The device requires an amount of space that isn't available on the front. There is nothing that would have prevented the company from making the dyno to fit on the front, they just didn't think of it. The rapid growth in disk brakes pretty much ensures a declining market for them until they re-engineer it to fit on the drive side front. I discussed this with them and their best response was an offer to let me pay for the development and production of a new model that would fit there. There is now finally an 8 watt version...
/K |
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