The big limitation that I can see, is that if there is any deflection when the rider gets on the bike, that means that the rider is essentially pedaling uphill all the time (Because he has to compress the springs as he moves forward). The other problem is that unless the springs are precisely calibrated to the riders weight this will really destroy the rolling efficiency of the bicycle. Malcolm Jacks May 23, 2020 03:09 AM
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OK, so this would feel weird, as as the ‘suspension’ compresses, your pedalling torque curve would change due to the wheel changing shape….?? Ventruck on April 14th, 2013 - 7:30pm Dan on April 14th, 2013 - 7:58pm
Emerging GearFrom next-gen tech to ingenious innovation, our weekly peek at emerging products examines the sometimes cutting-edge, sometimes quirky world of gear design. Spoke Shocks: Radical MTB Suspension Concept
In today’s full-suspension mountain bikes, the front and rear shocks do excellent jobs lessening those impact forces. And that helps keep riders logging miles and turning switchbacks.
Ron Thompson is a retired mechanical engineer. He’s built a 2 wheeled bent he believes is the 4th major breakthrough in bicycle design. That’s a lofty assessment but you owe it to yourself to hear him out. The ability to recruit supplemental hand power on a recumbent bike is the intriguing innovation he’ll discuss with us today.
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Barel sees bikers embracing the SoftWheel. “Our wheel will enable bikers to ride faster and more smoothly,” he said. “In standard wheels, about 30 percent of propulsion energy is reserved for suspension, even if that suspension isn’t necessary at a specific time. With our system, suspension can be turned on and off as needed, reserving more energy for speed.”
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They deliver such a smooth ride it is like my world has suddenly become a much flatter place!
A Loopwheel is a wheel with integral suspension, designed for better shock-absorbing performance and greater comfort. Loopwheels give you a smoother ride. They are more comfortable than standard wheels: the carbon springs absorb tiring vibration, as well as bumps and shocks. They’re extremely strong and durable.
GRAND RAPIDS, Mich. — New for 2021, TerraTrike’s Rogue creates a whole new level of comfort and ease in cycling, a complete departure from the world of finicky, clunky shifting. The Rogue’s internally geared Enviolo hub offers an infinite range of seamless shifting – from a standstill or under load – without the noise of idler pulleys or the constant tuning of derailleurs.
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Ditto for cars, said Barel, although implementing the SoftWheel system in planes and cars won’t happen overnight. “Plane designs have to be approved by the Federal Aviation Industry in the US, and implementing changes in the automobile industry takes time. But eventually, both industries are going to adopt our design. Until now you had to choose between comfort and efficiency in wheel design, and now, for the first time, you can have both.”