If god wanted a different wheel he wouldn’t have made them round to begin with. Louis IV was correct in closing the Patent office….all things worth being invented…were invented by the 17th century.
Don’t blink. With eight extra inches of overall width, massive 35-inch tires and a menacing stance, TRX asserts itself as the most muscular truck to ever leave our factory.
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Reinventing the wheel: The Loopwheels use large springs instead of spokes to give the bike wheels built in suspension
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These wheels have a standard axle bearing diameter of ½” (12.7mm), but are not supplied with axles. Buy axles separately here if needed. If you need a 12mm axle bearing instead of ½” then please contact us.
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A shock absorbing wheel has its limitations. For starters, special rims would have to pair with these spoke-shocks. Plus, the high cost of shock absorbers suggests this wheelset would be extremely expensive, and the weight of the wheel would, presumably, be much heavier than traditional wheels.
How does it constrain the axial translation and the 3 rotations? Is is springy in all those 4 directions as well? Greg Mixson April 18, 2013 01:24 PM
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To restrain cars from rolling - leaning over on corners - an anti-roll bar is used, often at the front, sometimes at the back and sometimes at both front and back.
The wheelchair application seems to run straight into the eternal problem with sprung wheels. Without dampers, they bounce badly, as sometimes seen in tractors fitted with buckets on a bad road. With dampers, they have very high rolling resistance. I tire needs enough flex to meet the ground, but any further suspension should be on the axle. Lardo January 30, 2018 06:00 PM
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When you have plenty of bicycle to work with, such as is the case with a mountain bike, it’s not such a big deal to design it with front and rear suspension. When the bicycle in question is a diminutive folding city bike, however, it gets a bit trickier. That’s why UK industrial designer Sam Pearce has created Loopwheels. Instead of relying on a suspension fork and rear shock, it lets the bike’s 20-inch wheels absorb the bumps.
In addition to their solutions for wheelchairs and (Yes!) cars, SoftWheel has three versions for bikes. The premium wheelset is the disc brake Fluent HD setup designed for all around and even off-road riding, and available with either 27.5 or 29″ carbon rims. Its 3 shocks use an adjustable preload gas spring and hydraulic damping for 40mm of shock stroke. That isn’t the same as wheel travel due to the orientation of the shocks, so it’s not exactly clear how that translates to rim movement or really hoe it would compare to traditional suspension travel.
The wheels were launched in 2013 after 4 years of rigorous testing and development. After a successful Kickstarter campaign they are now available to purchase online. Stay on top of the latest engineering news Just enter your email and we’ll take care of the rest:
Let’s put as much weight in the wheels as we can! I would just love to have to accelerate all of that weight over and over again in stop-and-go city traffic. Woof! Talk about energy savings! Cheese on May 20th, 2016 - 9:53am Rapha on May 20th, 2016 - 10:03am José Galdino da Silva on May 26th, 2021 - 6:17pm