Your Questions About Solar Powered Fan

Linda asks…

I saw a solar powered vent fan for the car on tv for 14.95 & 10.00 where can I buy?

ssadmin answers:

Watch the commercial closer next time and have your credit card ready LOL. If not Walgreen,s or a J.C.Whitney catalog carry that kind of crap.

George asks…

Do solar powered car ventilation systems actually work?

I'm considering today's Thing Fling, which is a portable car ventilation fan that is solar powered. I would like to know whether this actually works – does it actually exhaust hot air effectively?

ssadmin answers:

They seem to work, as long as there is adequate solar energy to keep the thing running.

I'm not really sure if they're more effective than just leaving the car's windows open a bit.

Ruth asks…

Is there already an solar-wind powered prototype vehicle made?

Just curious…
I notice many cars made within the last decade. Electric cars, solarpowered cars, remote-controled cars, and much more. But I thought I seen a wind hover-craft or something that uses stored energy to power up the power fans under the craft thus liftes the machine and uses the wind from the bottom to fully power the machine and save some to start up the next time. It has a fan on the back to proceed and in front for a efficent stop. Basically a gas-less evoriment friendly machine and strong against earthquakes.

Have you seen one somewhere?
I think they say that it looks similar like the manta machine featured in the Unreal Tournament series.

ssadmin answers:

You can easily have a solar or wind powered car – just buy solar panels, or a windmill, and use them to charge an electric car.
An electric car can be had for as little as $5000. For this price you get a conversion – a gas car converted to electric. Cars like this look and handle like normal cars, and do freeway speeds, but have limited driving ranges. I drive a car like this. More info here:
If you want a new electric car, here's an exciting one, coming out this year. It will go up to 250 miles on a charge, carries 5 people plus cargo, and can charge in only ten minutes. Info here:
The Phoenix will be expensive though. If you don't need to get on the freeway, you might like the Zap. It's a very fun vehicle that only costs $10,000.
I'll bet you've never heard of any of these cars. Popular culture, with help from the media and various corporate interests, continues to propogate the myth that such cars are impossible. Join me – drive an impossible car!

James asks…

How is energy transformed from light to electricity, to movement in a solar powered fan.?

ssadmin answers:

In a crystal, the bonds [between silicon atoms] are made of electrons that are shared between all of the atoms of the crystal. The light gets absorbed, and one of the electrons that's in one of the bonds gets excited up to a higher energy level and can move around more freely than when it was bound. That electron can then move around the crystal freely, and we can get a current.

Imagine that you have a ledge, like a shelf on the wall, and you take a ball and you throw it up on that ledge. That's like promoting an electron to a higher energy level, and it can't fall down. A photon [packet of light energy] comes in, and it bumps up the electron onto the ledge [representing the higher energy level] and it stays there until we can come and collect the energy [by using the electricity].

Lisa asks…

Will a normal house thermostat run off a solar panel?

If not, what kind of thermostat should I use? I'd like to assemble a solar powered fan for various projects but the temperature needs to be regulated. I think I can get away with just a 12 volt computer fan and I have found the panel online but without the thermostat i'll be in hot water. Thanks!

ssadmin answers:

A normal house thermostat, doesn't,t require any type of electricity to operate, it is Simply a mercury switch on a bi metal spring , the bi-metal coil expands and contracts, allowing the mercury to open or close a set of contacts,

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