Why not go simple & use battery powered Christmas lights? Cool Tools has a review-
http://www.kk.org/cooltools/archives/004796.php Michael DiBenedetto www.lifeforcemassage.com 3190 Old Tunnel Rd. Suite C Lafayette, CA. 94549 925-899-2785 On Dec 9, 2010, at 3:51 PM, Allan in Portland <allan_f...@aracnet.com> wrote: >> Chrismas lights run on >> 120v, and the generator is rated at 6v" > > OK that statement tells me you're going to need a little bit more help > than a Radio Shack URL. :-) > > You can't use lights that are designed for 120V line power. And I have > no idea what power those draw, but it's probably more than 3W per > strand. > > You want something like these: > http://www.christmaslightsetc.com/p/Battery-Operated-10-Multicolored-Mini-Christmas-Lights-6-inch-Spacing-Green-Wire--19469.htm > > Since you only have about $4 spent on the lights, just cut off the > battery case and connect the wires to your hub instead. The hub has > it's own current limiting so it should be safe. As for the lights, if > you over-drive them and they burn out, meh, you're only out $4. > > Or if it makes you nervous try two strands wired in series, (which > would be connect positive of strand A to negative of strand B). I > think the worst that would happen then is the lights be too dim. > > Good luck, > -Allan > > PS> I'm ASSUMING the generator hub has an internal current limiter. I > know the SON hubs do. I don't know your Shimano hub does. If you do > something to let the magic white smoke out of your hub, please don't > blame me. > > On Dec 9, 1:39 pm, Bill Rhea <billr...@yahoo.com> wrote: >> Thanks for the info - now I REALLY want to figure this out :-) >> >> I guess I'm mostly worried about the fact that Chrismas lights run on >> 120v, and the generator is rated at 6v. Since resistance of the >> string is constant, this drops the supplied current way down (if I >> still have Ohm's law right). Not sure if this would be enought to >> keep them lit.... >> >> -br >> >> On Dec 8, 11:47 pm, Allan in Portland <allan_f...@aracnet.com> wrote: >> >>> I forget which hub he had, but I helped a friend do this a few years >>> ago. He got a string of lights from Ikea or somewhere and just wired >>> them up. I said we have a 50-50 chance of getting the polarity right >>> on the first try, which we did. Actually we had a 100% chance, as the >>> generators are unrectified AC. Yeah, the lights blinked a lot at low >>> speed. You could get rid of about half the blink with a trip to Radio >>> Shack for one of >>> these:http://www.radioshack.com/product/index.jsp?productId=2062580 >> >>> Good luck, >>> -Allan >> >>> On Dec 8, 3:30 pm, Bill Rhea <billr...@yahoo.com> wrote: >> >>>> Has anybody out there ever converted a string of Christmas lights for >>>> low voltage power, like that produced by a dynohub? How cool would >>>> that be? The output of my Shimano DH-3N80 hub is 6 volts, 3 watts. >> >>>> Suggestions? >> >>>> -br- Hide quoted text - >> >>> - Show quoted text - > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To post to this group, send email to rbw-owners-bu...@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en. > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.