Flashlight Model

9
Mar/10
0

Flashlight Model
Scale up the Faraday Flashlight model for household applications?

I want to build a unit large enough to be able to recharge a battery powering an inverter so I can run regular 110-120V appliances. I’m thinking something that will harness the rotational power of a bicycle (21+ gears) and move a magnet thru the solenoid (either direct rotation at the wheel, OR movement in a verticle tube and use an upward force to move the magnet up, with gravity pulling it back down, to simulate shaking) to generate the electricity to recharge a battery.

I’m wondering why this hasn’t yet been done and think it could be impracticle if not impossible. But I can’t get the idea out of my head.

Can anyone see anything wrong with this idea?
I have the battery (12v, 4.5 A) and inverter. I have a solar panel but that takes too much time to recharge.

If you “average guy” level of fitness, you can generate maybe 200 watts for an hour. Maybe. As you build up your fitness, if you achieve professional bike racer levels of endurance, you could up that to 300 watts for 8 hrs. To generate that power, you would have to eat something on the order of 8000 calories per day (assuming around 1000 calories per hour). Charging a battery, assuming no power losses, you could then run one 100W light bulb for 24 hrs. Tomorrow, you get to do the same thing again.

Happy riding!

Gerber Expert Military Led Flashlight 22-80131

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