I follow all of that apart from the last bit about the iron ring, not sure where it would go in my design. I've made a rough sketch of it, hope it makes things a bit clearer.
Apologies for sideways-ness.
Hi,
Thanks for the replies, the info has been very useful and I've revised my design. Don't have photos yet, but hopefully soon I'll build a prototype and put some pics up. Until then you'll have to use your imagination. So my new design has a plastic disc mounted to the hub on the side of the...
Hi all,
Would appreciate some help with the magnetics in a contactless dynamo I'm trying to build for my road bike to power some LED lights.
I've got 8 rare-earth magnets mounted on the bike wheel, near the hub. They're flat, round magnets, around 2cm dia., mounted all the way around the...