This Bike Can Go 144km/h (89mph) ONLY With Muscle Strength!

Imagine a bike that can go as fast as a car on the highway - with only human muscle strength!

Sounds impossible? No it's not!

A new world record for the fastest bike (only powered by muscular strength) has been set -

The 'Eta' bike in bullet form can reach an incredible maximum speed of 144km/h (89mph)!

The bike has been created by Canadian Company Aerovelo, an the record was broken in September this year at the World Human Powered Speed Challenge on a Highway in Nevada - the flattest and straightest route in the world.
Wind and weather can influence the speed a lot, and even something as tiny as a dead bug on the shell can cost important milliseconds.

The secret to the extreme speed is the aerodynamic shape of the bike, as well as the weight: it's made from carbon fibers and only weighs 25kg.

This creates an air resistance that's 100 times smaller than that of a regular car!

The Eta has wheels that are hand-made and extremely thin. They only stick out 8mm from the body of the bike.
The cyclist sits inside in a laying position, and since there is no windshield or window, he can only see what's in front of him through a monitor that's connected to 2 tiny cameras outside of the vehicle.

The small Monitors inside the vehicle are the only way for the driver to see outside

The bike is extremely energy efficient - to reach 90km/h it only needs 198 watts of muscle power: that's only as much as you'd need to light up 3 light bulbs.

"It's an unbelievable feeling to be riding in something that efficient. It cuts through the air with such little resistance, and before you know it, you're cruising at highway speeds on nothing more than your own power. When you realize that this is the same amount of power it takes to light up a few light bulbs, it's truly mind blowing" - Todd Reichert, creator of the Eta and co-founder of Aerovelo

The Eta without its shell

Structure of the Eta

The creators of the Eta are specialized in human-powered vehicles, and have previously created an ornithopter and a helicopter only "fueled" by muscular strength.
With the human-powered helicopter they caught Google's attention, and Google sponsored part of the production of the Eta in return.

The Eta was not created to be a vehicle of the future - but rather to demonstrate what is possible wth only human muscle strength.

If a car was as efficient as the Eta, it could go 15.000km with only 4.5 liters of fuel (9500 miles with 1 gallon), which is only 0.03l per 100 kilometers.

Images: 1, 2, 3, 4, 5, 6, 7

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