If this is the case, are there any mods that have wheels direct-mounted to a simple block?
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Rim and Wheel Works has a proprietary process that can straighten a number of wheel issues, from a "center bend" in which the wheel has actually twisted from impact, to TIG welding wheels that have cracked, then straightening the wheels after they've been welded. For wheels that have experienced slight damage, Rim and Wheel Works can repair them for between $110 to $135 for wheels up to 19 inches, and rising upward from there as the wheel gets larger.
A picture of the very incomplete gantry as it currently is, to give a better idea of what I'm up to: < > The only other way to get wheels to turn is either roll them freely unbound to anything, or attach them to a rotor. You can adjust the suspension settings to make them ridged, and you can use vertically oriented suspensions to prevent side wobble as if it was on rails. Wheels lack any form of propulsion on their own. They also lack any form of innate rotation ability. They're just cylindrical objects, exactly as they are in the real world (try welding a wheel directly to something sometime and see how well it spins). You need to provide an axle to them, and propulsion should you require it as well.
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
“Selective suspension is the key to the mechanism because constant suspension creates loss of energy, making pushing more strenuous. Only when encountering an object does the suspension system activate, making the inside of the wheel, the hub, move and absorb most of the shock instead of the wheelchair user’s body,” she said.
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Richard Quest, the designer of LoopWheel, asks “Why can’t the suspension work in all directions?” in regards to conventional wheels. Hence, the idea of LoopWheel originates. A 20-inch Loopwheel with Shimano Alfine 11-speed hub weighs 2.13kg. A LoopWheel is about 300g heavier than a conventional spoke wheel of the same size. However, you do get the added suspension and a smoother ride.
On smooth terrain The Acrobat’sTM innovative Adaptive RigidityTM technology keeps the wheel’s 3 shocks perfectly rigid like spokes. When encountering a bumpy surface, they automatically transform into soft and responsive shocks. With less energy lost to frame vibration and reduced impact to the rider’s body, The AcrobatTM offers a superior riding experience.
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Near the end of the video it shows the bike on the "rolling road" test bed, the rim is moving laterally, not good in most bike applications. wle April 18, 2013 05:17 PM
The story of loopwheels is one of determination, and a streak of madness. They were invented and developed by Sam Pearce, in his home in Nottinghamshire, England. By training and profession, Sam is a mechanical engineer and industrial designer. By nature, he is some one who loves making things: designing, building, doing. He loves simplicity, and products that work well. Sam is practical and hands-on. He is stubborn and doesn’t give up easily. All useful traits when you find you’ve set out on a journey to reinvent the wheel . . .
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On front wheels, the whole strut swivels to allow steering. Pivoted arms extend inward and forward to the frame in order to keep the wheel upright and resist accelerating and braking forces .
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If you have questions/comments for our guests and can’t watch live please feel free to respond to this post and I’ll try to ask for you during the show. And that’s not the only news – check out that rear hub in the photo! For more information, contact your nearest ICE dealer, and/or visit the ICE website: https://www.icetrikes.co/