multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
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When you take a battery powered headlight and try to rewire it to work of the dynohub, you are basically getting off the well marked trail and bushwacking. You're on your own. If you know what you're doing, or are willing to learn from your mistakes, you'll be fine; but you won't get much help from the LBS or even from Peter White.
I don't know the DiNotte, but I have taken working 6-volt battery lamps and ruined them in an attempt to attach them to the dynamo. The problem is usually the switch; I've found that the switches on 6-volt battery powered lamps don't work with the 6-volt AC of the dynamo.
As for LED's... you don't necessarily have to change the Dynohub's AC to DC to run LED's; but if you don't, the LED will flicker visibly at low speed. At high speed the flickering is so fast you can't see it.