The British engineer who really HAS reinvented the wheel: Loopwheels system abandons spokes for springs to give a smoother ride
Generally, only very high-end wheelchairs have shock absorption built in, necessitating wheelchair-accessible entrances to buildings. “It’s difficult and painful to use a wheelchair to cross the street, with the chair’s rider feeling the strong impact of a chair going off the sidewalk and onto a curb,” said Barel. “With a SoftWheel-equipped chair, a wheelchair user can cross streets or go down steps without feeling the impact.”
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I have had the car since 2010 and it is totally stock suspension, 40K miles on the car and no, I don't need shocks.
The new company has financial backing from the RAD BioMed Accelerator group and is in collaboration with the Ziv-Av Engineering group. They are initially designing these wheels for wheelchairs, city bicycles and aircraft landing gear but the company says the technology would be used for other wheeled vehicles.
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So now we have a request. Unlike other news outlets, we haven’t put up a paywall. But as the journalism we do is costly, we invite readers for whom The Times of Israel has become important to help support our work by joining The Times of Israel Community.
A Life Lesson About People With Disabilities For Parents Everywhere - The Mobility Resource
[Hot Item] Low Profile Shock Absorbing Casters, LSASP-3'', Caster Wheels, China, Factory, Suppliers, Manufacturers
And it's not like I have some high dollar customer sport chair, either. I use a "Breezy". Street price of $575. About as cheap as you an go. (https://www.quickie-wheelchairs.com/Breezy-Wheelchairs/Breezy-Lightweight-Wheelchairs/Breezy-600-Lightweight-Wheelchair/2403p) And the only modification I made was to cut grooves into the solid rubber tires. (They come smooth as a babies butt. That REALLY doesn't work in snow.) Grunchy January 31, 2018 01:30 AM Reason January 31, 2018 05:28 AM
Loopwheels are designed to help you push over uneven streets, cobbles, grass, rough tracks and gravel paths, with less effort.
Folding design makes the scooter ideal for travel or storage.Built to handle the bumps our Kids scooter is guaranteed to last for years of enjoyment.
We have made the difficult decision to postpone the 2021 Recumbent Cycle-Con. With the current surge in Covid cases, and so many unknowns about what may happen in the next two months, postponing seems like the most responsible thing to do at this point in time.
I played with the idea using steel springs in wagon wheels for a Ring of Fire series fanfic (I highly recommend the books if you like time travel stories) but I am not convinced that loopwheels are a better solution than a springy seat post. Michael Lau April 18, 2013 02:48 AM Frank van Schie April 18, 2013 06:31 AM
A replacement pair of off road mountain bike 'fat' wheels to fit most everyday wheelchairs. This is an ideal wheel to fit on your wheelchair, making it easier to go over rougher terrain. W...
Great comments and I would like to explain the questions raised, because it is a huge innovation. Wheelchair: Nothing is rigged about it. Two of the cheapest identical Invacare wheelchairs were bought and one was modified with the Air Suspension Wheel technology. Zoltan (the inventor) has never been in a wheelchair before and therefore it may seem a bit clumsy, but definitely nothing was done intentionally. Here is the video of how it works in gravel: https://www.youtube.com/watch?v=A429IzLKbWM&t=2s.
I put my year, make, and model into the website, and I purchased what came up, why doesn't it fit? While our website is a good tool for an estimate for what fits your vehicle each owner modifies their vehicle differently. Meaning you could have different modifications done to your vehicle that causes the wheels/tires not to fit while they could work on another person's vehicle who performed the necessary modifications to make the setup work. This is why we suggest using the gallery for a reference. You have to pay a restocking fee because we now need to pay individuals to return, clean up, and restock the item to our shelves to be resold. These are large items and take a lot of work to be put back into our inventory. Yes, while we can't guarantee that a product will never fail, as long as spacers are installed and measured for correctly they are generally safe. If your purchase does not fit, you can certainly return the product however, a return and restocking fee of 20% will apply. The product can also not be used/driven on in any way. We highly recommend a test fit once you get your new wheels, please bolt them up (carefully) and spin them on the vehicle before driving on them to ensure they fit correctly. Our customers are determined to push their vehicles to the limit while showing off their own unique style. Each customized vehicle has its own personality and we want to help our customers achieve any look they’re after to complete their dream vehicle. However, there are certain risks that come with stretched tires. Stretched tires give a distinct, minimal sidewall look that can help showcase your wheels and dial in perfect fitment. In minor stretch applications, there are minimal to no inherent risks. But, in extreme tire stretch applications, this can result in debeading or tearing of the tires sidewall. The more the tire is stretched, the more likely you may run into one of these issues. Stretching a tire onto a wider wheel may void the manufacturer's warranty depending on the brand and size of the tire. If your application is considered stretched, there will be a note listed during the checkout process before going to the cart for purchase.
41cm x 41cm (16″x16″)43cm x 41cm (17″x16″)46cm x 41cm (18″x16″)46cm x 46cm (18″x18″) I will pickup and return the item myself (free of charge) Delivery and pickup required ($50)
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'I first made myself a mountain bike wheel, and it was incredibly noisy and wouldn't steer - but it worked.
Trying to let people know that we are more than just spokes ‘n’ wheels. | 23 Things That People In Wheelchairs Have To Cope With
[Hot Item] Shock resistant caster, M59T-4''/5'', Caster Wheels, China, Factory, Suppliers, Manufacturers
See how many cars you can race around the track before some awesome crashes happen! (Additional cars sold separately).
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The wheel allows for vertical compression but provides rigidity in the lateral direction. The LoopWheel technology can also be used for wheelchairs providing comfort for the user.
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Cohen now works as Softwheel’s product specialist, testing the Acrobat prototype as well as providing advice and guidance.
Home About Mogo Product Range Get In Touch Stockist My Account Account Home Orders Quotes Pay Invoices Favourites Wishlists Resolution Centre Edit My Details Edit My Address Book Reinvent Your Wheelchair Experience! The AcrobatTM" is the only wheel system that enhances your ride and capabilities. The AcrobatTM absorbs shocks and vibrations while providing extraordinary rigidity and stability. SoftWheel’s patented energy-efficie I have read and agree to Terms & Conditions and Privacy Policy. Please tick this box to proceed.
Not to mention, they're virtually invulnerable to sabotage, as they can't be slashed, and their inner workings are protected both from malicious acts and from mud, dust and water by big metal plate covers. So they can also be made bulletproof for military vehicles.
A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
Both modeling and experimental results demonstrate several realistic scenarios in which wheel hubs experience accelerations greater than 100g, sometimes at very low vehicle speeds. This paper focuses on the experimental determination of suitable design goals for in-hub motors (wheel motors), describing the experimental test rig, experiment procedures, and experimental results from testing conducted at UT-CEM. The paper also discusses implications of these results on wheel motor design, leading to the conclusion that a realizable and feasible design goal for a combat vehicle wheel motor shock rating is 150 g's, with a 10 to 20 ms pulse width. Ultimate Wheelchair
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With standard quick release axles, a choice between 12mm or ½ inch bearings and available in 24″ and 25″ sizes, Loopwheels fit most manual wheelchairs.
But some damage simply can't be repaired. The replacement cost can run into the thousands. Ames estimates that her shop welds approximately 250 to 500 seriously damaged wheels a year, indicating just how serious the problem is in this region.
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
Usually the half-axle is broadened into a V with front and rear pivots to keep it from twisting. Pivots allow the bar to twist, but to a limited degree so that rolling is controlled.
Each time the wheel revolves, you’re compressing “suspension”. This means that precious rider energy is being wasted, constantly. It’s kind of like the drag you get from soft, 5″ fat tires.
ko2's are more like 1k. unless he puts on some P rated stock size ones. which seems silly. $800 on Amazon for C load 285's - so I was a little off. I was also assuming prices of shopping around, or else the SPC's would've been stated a bit higher. Reply With Quote 03-15-2020, 11:03 PM #5
Ram Trucks clinched its third consecutive Motor Trend Truck of the Year® award after launching TRX.
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As the founder & CEO of Wyze, Joe has a huge passion for using digital strategy to grow & expand brands in the modern marketing environment. Wyze is a creative digital agency for outstanding eCommerce brands. We grow our client's sales through our digital products & services.
A pair of shock-absorbing wheels for wheelchairs with integral suspension, designed to help you go more comfortably over uneven streets, rough tracks, grass and gravel paths.
Air Suspension Wheels: tread can either be fitted as sections of road-grooved rubber, or as bolt-on blocks for offroad use like this View gallery - 9 images
Man, every time I’m on my flat bar hipster fixie chariot I ask myself why don’t I have more suspension? mopedssuck on May 20th, 2016 - 9:35am Tom on May 20th, 2016 - 9:55am stiingya on May 21st, 2016 - 12:35am stiingya on May 21st, 2016 - 12:58am traildog on May 20th, 2016 - 9:44am
[Hot Item] stainless steel spring shock absorber casters, SA68SPB-3''/4''/5'', Caster Wheels, China, Factory, Suppliers, Manufacturers
Browse industrial materials ranging from heat insulating plates, sponges, to metal and plastic materials in different sizes to meet your various applications. Metal Materials Plastic Materials Heat Insulating Plates Thermal Insulation Material, Ceramics Glass, Mirror Transparent Plastic Covers Perforated Metals, Fences, Nets, Panels Urethane, Rubber, Sponge, Felt Mesh
You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more! Personally I don't like to lift wheels off the ground with the jacks and I would never lift the drives off the ground. If it's so unlevel that the wheels would be off the ground, I'll run up on some boards first to get close, then finish leveling with the jacks. Fronts are ok. You won’t damage anything. As stated above, never the rears (drive wheels) because the parking brakes are on the rears. If you’re not comfortable with the fronts being off the ground, you can build some small ramps or wood blocks you can drive the front wheels onto. If you search for ramps on this forum you’ll find lots of examples. When an air bag RV is lifted, ONLY the axle weight is left on the ground. no matter the lift height. This is unlike a leaf or coil spring vehicle. The tires provide limited stopping. If the leveler pads are on softer ground, they will put much restriction to the RV moving sideways as the pads will be in a hole. The suspension system has no problem handing from the shocks / limit straps. It endures FAR greater stress while you are driving down the road soaking up the bumps and road heaves. All that being said, try to NOT lift the RV any further up than is required. Things inevitably break. Hydraulic lines, solenoids, seals etc. You don't want a single leg to drop on it's own which the torques the chassis. An RV up in the air is invitation to crawl underneath or store stuff under. Not good when something breaks. So, pick a more level spot or use blocks to get the rig as level as you can before lifting. Don't park on a hill and lift so that there is no chance of slipping sideways (tire and / or leveling pad friction). Your drive axle (brakes) always have to be on the ground... else you'll go down hill as soon after you've walked bow to stern inside the coach a few times... I don't like to lift either off the ground ever. I only use the jacks enough to level the final little bit and to not have the coach shake while moving around in it. The thread Sonic posted is great! I use 2x10s like suggested in the posted link, but took it slightly further. I didn't cut an angle, don't really need it and in the past I found that it sometimes gives them the ability to slip while driving onto them. I would post pictures but it is in the shop for engine repair and the boards are in unit. Basically I took 2x10s and cut 2 boards the longest that would fit in the bay I was storing them in (about 36 inches long). I then cut 3 more boards about 8 inches shorter (for a total of 4 boards high), so lenghts of, 12, 20, 28, 36 long. I have 2 sets in case there is a need for the rear duals to go on boards. To keep the boards from sliding when driving onto them, I bought 3 different size carriage bolts that would go through 2, 3, or 4 boards but not all the way through, just long enough to keep them stable as you drive. I then took a spade bit that was 1/8 inch larger than the bolts and drilled through all 4 boards to accommodate the bolts, i did this in the rear where they would line up even and no worry about puncturing tires if they popped up slightly. I then took a spade bit slightly larger than the bolt head, and drilled on top of the holes the thickness of the bolt head. This way they sit down flush with the boards. It works very well! For the jack pads, I couldn't use anything very thick, as if I am on level ground and I dump the air, I only have about 4 inches between the jack pad and ground. I took 2x4s, and cut them the length of 3 2x4s put next to each other. I cut 6 in total. I then laid them crossways (think the first 2 layers of Jenga) and nailed them together from both sides. These work great for leveling! When i get it back from the shop next week I will try to remember to post some pictures. Your drive axle (brakes) always have to be on the ground... else you'll go down hill as soon after you've walked bow to stern inside the coach a few times...
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Might try the rotor idea. Would need to make the drive rotors on either side of each gantry arm on a group and set up some hotbar options for control, but it should work. Yeah, you're right in that I should have said 'sufficiently rigid' as if you set it too stiffly it will explode. Wheel suspensions are pretty stable. As mentioned above, cranking up the stiffness and forcing 1-2 wheels to do all the stabilizing... can lead to boom. If you spread out the load over more suspensions, there's less load on any given area, on both grids, which can lead to you being happier all around. (Repairs are a *CENSORED* on some of those moving devices)
Also showing up for this jam packed webcast we have Honza with the recumbent news, Jason Dubin with his project to build and race velomobiles with New York City youth and then Ben Goodall owner of Trisled tells us about the newest update to the Rotovelo. With Recumbent Cycle-Con cancelled I’ve edited Chuck Coyne’s interview to reflect the history of the event, Mark Lovegrove from the UK talks about his two e-assist motor installations, Larry Varney reviews the AR3 tilting trike and Denny’s sports segment features John McWhae who just completed a record making ride across Alberta in spite of his battle with arthritis. 2021 Recumbent Cycle-Con Postponed Posted on July 31, 2021 by Larry Varney
"Having the Loopwheels has been a complete life changer for me. I can now go on longer journeys with less fatigue...."
If you don't mind...what are the full specs of your wheels/tires? I'm just wondering because I have the X model and I know the widths and everything will be slightly different and no staggering for me. I think your setup looks great considering no drop, but I don't know how it would compare to an X model with no staggering or spacers etc.
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The first 3 digits of the serial number will help you determine which Netti wheelchair you have. Videos Testimonial David Testimonial Helen Loopwheel presentation - Wheels with integral suspension and up to 70% less vibration Downloads Main catalogues Spanish Main catalogue English Brochure Loopwheels Netti 4U CE Plus Netti 4U CED Netti 4U CED XL Netti III Netti III HD
