Social Question

Dutchess_III's avatar

Riding a bike for an hour will power your home for a day, is this legit?

Asked by Dutchess_III (47069points) November 15th, 2015

Here

If this is true I am so there.

Observing members: 0 Composing members: 0

18 Answers

Apparently_Im_The_Grumpy_One's avatar

THAT bike. Yes. A bike I could afford in the first place no.

ARE_you_kidding_me's avatar

No way. I have a power meter on my bike and I ride ~100W power. Good luck powering a home with that.

ARE_you_kidding_me's avatar

What you can do is run a few small LED lights, charge your phone or a couple of medium sized batteries. Having a big ass flywheel and gearing ratio makes producing power a little less athletic but you cannot create power. His bike just makes the conversion a little more efficient. This is no new idea, been around for a LOOONG time. a toaster is ~1000W ten times less than a typical hr long ride for me. here is someone in prime cycling shape making a piece of toast. That’s at the limit of human ability.

jca's avatar

Probably if it was true, then the equipment required to convert the bike to electricity that you can use would probably be so huge (space wise) and costly, it wouldn’t be worth it.

Dutchess_III's avatar

Thanks. I knew I could count on you guys!

ARE_you_kidding_me's avatar

…that was ten time more

..and you cannot get more energy out of a system than you put into it. That guy sitting there in slacks and a dress shirt not breaking a sweat would probably be ~50W max. That is a single 40W bulb for an hour.

Love_my_doggie's avatar

You’d need to pedal that bicycle whenever you need power.

Electricity is a flow of energy, and the electromagnetic field/wave that carries it dissipates almost instantly. Almost all electricity is used as it’s generated. You can’t store electricity itself but must convert it into some other form, via superconducting rings that are impractical. Power grids simply ramp power plants up and down according to immediate need.

Now, if you could get a fleet of giant hamsters to spin huge wheels 24/7…

Dutchess_III's avatar

So how do they store the energy created by the wind turbines that are tied into the power grids?

LuckyGuy's avatar

No. That is a lie! If they said “power your iPad I’d say OK. Or if they said one 8 Watt LED bulb. OK. Your refreigerator needs 100 times that. It is a lie!
That is all a typical human can do. 100 Watts is a lot and difficult for muost people to sustain. They want you to do it for 1 hour which mean 0.1 kWhr. That is about 1.5 cents worth of electricity.

cazzie's avatar

If you read the whole story you will better understand. That isnt just a bike. Transferance of Kinetic energy into storable cells is not like just riding a bike. You’d need a pretty fancy set up firstly. And an hour of effort giving you an entire day means the set up would have to be even more advanced in some way. Some new technology we dont know of. So, sorry. This is hype and click bait i guess.

Love_my_doggie's avatar

@Dutchess_III Wind farms typically generate most of their energy at night, when electricity demand is at its lowest, so much of that “green” energy is wasted. How to fix this problem? Flywheels. A power plant would store inexpensive, off-peak energy in huge wheels that turn more quickly than the speed of sound. When electricity demand rises, or when winds die, energy can be drawn from the spinning wheels.

This new technology is already being developed by a Massachusetts company.

ARE_you_kidding_me's avatar

Power from wind turbines and solar can be stored in batteries and also as heat. The problem is that this is expensive. home solar systems especially off grid ones rely heavily on battery banks. Flywheels are constantly losing power and are not in any way practical. They work on very short term principles that aide in keeping output constant (clean) during production.

LuckyGuy's avatar

@Dutchess_III There are a few ways to “store” the energy : batteries, flyweels, air pressure,, hot water, etc. Of these, batteries is the most popular. Any storage method requires resources and hardware that need to maintained and take up space.
So, a better method was developed : Net Metering. Any unused energy is put back on the power grid. There is no waste. There is no need for batteries or flywheels for people who remain connected to the grid. They get the savings of generating their own power but have the option to use the power company’s juice when needed.
Only people living “off the grid” need storage to get them through periods of no sun or wind.
,

Coloma's avatar

I’d do it, but I’d hire a bike buy to do it for me. Maybe some cute 20 year old in spandex bike shorts. lol

Dutchess_III's avatar

Ew. So you could see the outline of his package? Ew!

Coloma's avatar

@Dutchess_III No, I was thinking more his buns.
Lots of bicyclists in my area and the coming up from behind visual is always nice. haha

ARE_you_kidding_me's avatar

You are a dirty woman lol.

LuckyGuy's avatar

By the way, one hour of bike riding will burn about 300 calories. That extra 350 Watt-hours of energy can be used to heat your home for a little while. You can figure the heat a human expends just living, breathing, moving, etc is about 100 Watts per hour – or 2.4 kWhr per day. That is about 30 cents worth of electricity..
@Coloma You will be further ahead if you invite the bike boy to spend an hour in bed with you. Combined, you both would generate at least 200 Watts and maybe as much as 400 Watts if really active. Well worth the effort.
The description of the device shown is bogus. Don’t get sucked in when they start looking for investors.

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