Typical adult humans can bicycle power 120 watts for a couple of hours max.
Fit adults who regularly ride bicycles can output 250 watts for a couple of hours.
Elite bicycle rides who compete in the Tour de France or similar, up to 350 watts, peaking at 1000w bursts.
Human powered airplanes are typically energized by an elite athlete pedaling as hard as they are able.
With training a regular adult can do a bicycle marathon for a few hundred miles per day, but not fast.
eBikes replace muscle leg strength and cardio endurance energy for steep hill climbs, with wheels motors or mid-drive solutions on nicer more expensive e-bikes, so that you can go twice as fast with half the effort, so you can probably commute to school or college or work on a eBike where a traditional bicycle would be less practical.
To get from where I live to where I work take 22 min by car at freeway speeds, for 16 miles one way
That means about 1.5 hours ride on a regular bicycle or 40-55 min on the eBike using slower routes
As a result on 3 people I work with use an e-Bike to get too and from work, everyone else uses a car, SUV or truck to commute, since private automobiles are the only practical ways of getting around urban sprawl suburbs in many cities of American for example.
Cold Rainy Weather
I have to be to work at 6 am, ready to drive a school bus. Many times this means riding in the coldest darkest part of the day. I prefer to ride when the morning temperature above 50F and not raining, same for riding my motorcycle that is rarely used as a fair weather commuter bike in the spring and fall a few dozen times per year, but like many bicycles, this Yamaha MT-03 sits idle for most of the year sadly. I never adapted to cold rainy riding. A nice idea, but wet and cold and unpleasant and annoying and unsafe. Our cars are comfortable, warm, safer and more practical if I want to stop for groceries on the way home. I do fitness HIIT in VR on a Meta Quest 2 using the Les Mills Body Combat App, indoors, when its cold, rainy, or stormy outside, any time day or night whenever I feel like it by comparison to fair weather only bicycle riding. A useful eBike needs to be water resistant like a quality wrist watch or smart watch.
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