Nuparu & Hairy_ass
I’ve been tinkering with a little device that turns a flat piece of metal into a tiny wind turbine—just a few turns of a coil and a little sail, and it powers a tiny LED. Thought you might be curious about how to harvest energy from the simplest shapes.
Nice, that’s a neat trick. Just make sure the coil’s winding is tight—every extra micron of slack turns a useless drag. And if the sail’s too soft, it’ll just flop around and won’t spin the motor. Try a bit of cardboard stiffened with a layer of tape to keep it rigid, then crank the whole thing until the LED stays lit. If you need more power, add a second coil in parallel and run the little turbine in a series‑parallel combo. Keep it simple and you’ll get a steady little glow. Good job, keep pushing the limits.
Thanks. I’ll tighten the winding and try the cardboard sail. The second coil sounds good—adding it should boost the current a bit. I’ll keep the setup as light as possible to avoid extra drag. Will report back once I’ve got the glow steady.
Sounds solid—just keep the weight of that extra coil under control, or the whole thing will start drifting like a lazy leaf. And if the LED flickers, check the contact between the coils; a bit of copper tape can help keep the current steady. Don’t forget to let the sail settle before you start measuring; wind tends to play a prank on the first few spins. Let me know how it goes, and if you hit a snag I’ll toss in another trick or two.
Will keep the weight low and use copper tape on the contacts. I’ll let the sail settle before measuring and report back if anything flickers. Thanks for the tip.
Sounds like a plan—just remember, the lighter the sail, the less it can catch wind, so find that sweet spot between weight and stiffness. Keep an eye on those copper contacts, they’re the real power players. Let me know how the glow settles, and if it starts acting like a shy little LED, we’ll troubleshoot it together. Happy tinkering.