Can it produce enough energy to power the radio, charge your laptop etc.?
Is it practical and worth it?
Do you want to install it on your car? Please state your reason.

it would produce considerably less power than the drag it caused, which would increase fuel use.

so no, i wouldn’t like it.
(It is cool to think about however.

and, as warren said, it’s effectiveness would be very wind dependent.
freeway might be okay.
around town — not so much.
but still, in total, an energy waster.

is it feasible to charge the battery with wind turbine instead of solar panels. would i get enough power from the wind to charge the battery? or the DC motor driving the car would consume all of the battery charge before it will get charged from the wind turbine??

what about the wind powered cars?!! www.windturbineracer.com
the cars move with only wind energy.why can’t we convert this energy into electricity to drive the motor?!!

Noway. The car would experience more drag. The energy of the wind turbine is far too little to charge the battery that would be fully exhausted in the end.

I want to do this as my BS project in mechanical engineering. i need to know if its feasible to charge the battery with wind turbine instead of solar panels. would i get enough power from the wind to charge the battery? or the DC motor driving the car would consume all of the battery charge before it will get charged from the wind turbine??

what about the wind powered cars?!! www.windturbineracer.com
the cars move with only wind energy.why can’t we convert this energy into electricity to drive the motor?!!

Well, you can’t have a perpetual motion machine, as in the air flowing through the turbine is due to the forward motion of the car, sending power to the motor for forward motion.

But a wind powered car is possible.

I have a scool milk container. How would I create a car? My teacher will have a box fan in the back to blow, but that will be the only energy pushing the car. The car must have a axile, its own wheels, it can’t be sitting on top of another car. What can I do?

add wheels and a model plane propellor powered by an elastic band,.

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He said that solar energy would never be used for cars and wind energy is useless. He said that we should keep using oil and natural gas fro our energy. He said that the Democrats want people to use global warming as an excuse to make us buy new cars and everything else that use different type of energy. He said they are playing on our fears. Is he right?

Your teacher is quite clearly a Republican. I have no doubt in my mind about this.

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it will have wind right? so will it works when the wind turbin on the control car while going? the control car when going wont use the battery and it will use the wind energy while going can someone tell me will it works?

I think you mean it as a perpetual motion mechanism which doesn’t exist due to laws of thermodynamics. There are friction losses in the axle the turbine, the motor, the wheels, also the momentum it takes to get the turbine to spin initially, drag on the car from the turbine would affect it.

A hybrid might be the only logical alternative between batteries and wind powered or even add solar as well.

Hope that helps!

For my physics class I need to create a car that will harness the wind energy produced by a 20 in box fan. We are thinking that you would need to use some sort of windmill to harness the energy. The car has to use the wind from the fan and somehow move towards the fan. The only materials we can use is coat hangers, staples, glue, tape, index cards, file folders, tin or aluminum cans, rubber bands, string, thread spools, pins, paper clips, and a maximum of one BIC pen. The wheels can be created out of anything circular other than an actual wheel. The fan will be about 1 meter away from the car and the car must travel a minimum of half a meter. Any type of help would be greatly appreciated. Thanks!

Intertesting interesting question.

The thing that is intreging is the fact that it must move towards the fan. I have thought of two possible ways.

1. I’m nut sure what a box fan is. If it is a more or less open fan and you can feel the air flow from the reverse side, it should feel like it is moving towards the fan, so you could just turn the fan away from the car and let the fan suck the car forward.

2. I don’t know if this would work or not but if the fan produced enough wind, construct a sail that would catch the wind. Attach the sail to the car. Attach rubber bands between the car and the fan. Let the rubber bands stretch out as far as the will moving the car away from the fan to start with. Then turn off the fan.

The stored PE in the elestic bands will snap the car back towards the fan thus fulling the conditions of the problem.

As to the construction of the car itself, your imagination will be able to help you along with that, but maybe wheels made from thread spools would be the most efficient and axis and the mast could be made from coat hangers.