In a Globe story this February, reporter Eric Moskowitz noted that Boston fills approximately 19,000 potholes in an average winter, and that the city has gone as far as developing a new app, called Street Bump, that attempts to give drivers the ability to instantly notify City Hall when a new crater appears. And that's just the city of Boston. Do the math and consider how many gaping holes have appeared in the New England region after last winter's prodigious snowfall.
Reinventing the wheel: The Loopwheels use large springs instead of spokes to give the bike wheels built in suspension
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Loopwheel springs are made from a carbon composite material, carefully developed and tested to give optimum compression and lateral stability as well as strength and durability. Specially-designed connectors attach the springs to the hub and rim. The three loops in each wheel work together as a self-correcting system. This spring system between the hub and the rim of the wheel provides suspension that constantly adjusts to uneven terrain – cushioning the rider from bumps and potholes in the road. In effect, the hub floats within the rim, adjusting constantly as shocks from an uneven road hit the rim of the wheel. The spring configuration allows the torque to be transferred smoothly between the hub and the rim.
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
i will have pics shortly, havn't put everything on permanantly yet, waiting a couple more weeks til spring. i have the wheels & suspension sitting in my house staring at me everyday, it's painful. but if you open this link, you will see 19x8 +40 lowered 1.5", just for reference. and honestly, i'm afraid to post pics on this site with the way people pick things apart, but i probably will anyway-give me a few weeks!!
@ Bob Stuart: The built-in air cylinders avoid the bouncing. The very first design in 2010 was actually with springs and, indeed too bouncy. The cylinders have a non linear suspension (exponential) that have a great dampening effect.
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i think it depends on what your unique situation is. if there are rims you really like, buy them and work around it. plus, if your facing winter every year, you do not want to be dropped too much, you'll be sliding all over since you will have a lower center of gravity and have more of a grip demand on your tires. if you drop it three inches, now you need to stick with a really high offset, so that will limit your wheel choices. i think it works the same way no matter what you do-suspension first will limit your wheel options...wheels first will limit your suspension options. do you want to be scraping low with small wheels, or keep it practical with bigger wheels, it's your choice!!
i will have pics shortly, havn't put everything on permanantly yet, waiting a couple more weeks til spring. i have the wheels & suspension sitting in my house staring at me everyday, it's painful. but if you open this link, you will see 19x8 +40 lowered 1.5", just for reference. and honestly, i'm afraid to post pics on this site with the way people pick things apart, but i probably will anyway-give me a few weeks!!
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
For wheelchairs and bicycles, adding SoftWheel suspension is all about increasing energy efficiency and making the ride much more comfortable. For the car and plane markets, the system will be able to save manufacturers a lot of money, Barel predicts. “The bigger the vehicle, the more suspension you need, and both cars and planes have elaborate suspension systems,” said Barel. “In order to make up for the energy expended on the suspension, engines have to be made to work harder, using more fuel and resources. With our sensor-based technology and the suspension system built into the wheels, you can save a lot of fuel.”
The first wheels are designed around the 20-inch wheels commonly used on fold-up bicycle, and Mr Pearce plans to sell bikes with the wheels fitted for £1200 in September.
GRAND RAPIDS, Mich. — For spring 2021, TerraTrike is going big with an ambitious new model inspired by its popular Gran Tourismo, and the result is a faster, more stable and more comfortable ride. The Gran Tourismo Sport, or GTS, is TerraTrike’s entry to the growing category of all-road endurance cycling – it’s quick enough to jump into a fast group ride, but comfortable enough for hours-long gran fondos. Read More » The Impact of Bent Collisions – April 11th at 2 pm ET. Posted on April 9, 2021 by Larry Varney Jason Dubin has been hit by cars while riding his recumbent bikes and velomobiles in the streets of New York city many times. He joins us to share video and commentary of 3 of these horrifying collisions and talk about his personal safety. Then we widen the discussion with Steve Magas “Ohio’s Bike Lawyer” and our panel to put bent safety into some context and search out the best way for us all to avoid becoming another sad roadside statistic. Honza will present the news, Denny is back with his sports report, Nina Paley leads off our new Bent Product Review series with a look at the Mango velomobile and Doug returns with another “Bent Road Fixes” segment. Laidback Bike Report March 14! Posted on March 13, 2021 by Larry Varney It’ll be crazy fun hearing from the boys of the British Human Power Club on March 14th’s webcast. Join us live at 2 pm eastern time zone on FB or on YouTube here: https://youtu.be/Oijf6afNwlo.
Another obvious choice for marked visual and performance improvement is an upgraded set of wheels. Project e-tron came from the factory with the largest possible 21-inch wheels that were light, forged and optimized for e-tron – narrow width and rated for the higher weight of electric batteries.
TPMS sensors are available for an additional cost. For wheel and tire packages, the price includes free installation of the sensors. Note: some vehicle models or sensors may require a re-programming process to sync with the new sensors. This can be done fairly easily by an auto dealer or repair shop (the cost to program sensors is the customer’s responsibility). If the wheels you need the caps for were purchased from us, yes we can. If not we are not able to determine the exact cap you need so we are not able to help, sorry. Often the part number can be on the inside of the cap and eBay is a good place to hunt some down.
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I sent this bike back, the customer service from both amazon and schwinn, were impeccable, so much so, that I'm going to order another one, and hope it's not defective. My fingers are crossed, and I'll post again when the next one comes. maybe a bit expensive but good simple bike. I ordered 2 and for one of them the front wheel was really untrue, I had to replace it (Amazon was amazing with this).
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i will have pics shortly, havn't put everything on permanantly yet, waiting a couple more weeks til spring. i have the wheels & suspension sitting in my house staring at me everyday, it's painful. but if you open this link, you will see 19x8 +40 lowered 1.5", just for reference. and honestly, i'm afraid to post pics on this site with the way people pick things apart, but i probably will anyway-give me a few weeks!!
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.
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they sent me another one with out having to return the first one and the tire on the second one is also bent. now I am waiting for a refund while I have 2 broken bikes. I am a police officer and bought this bike to train and exercise for bike patrol. Used the bike for the first time yesterday and it broke a few hours into training with maybe 6 miles on it. Front fork seals were in poor condition and leaked fluid right from the start. Front brake cable came loose during some braking drills. Finally the back gear system snapped and locked up the back tire almost causing me to crash. I know the is not a $2,000 or $3,000 dollar bike, but for almost $500, it should be a much better built bike then it was. Very disappointing. When I picked up the package, I was impressed at the condition of the box. There were no smashed corners or gashes. Upon opening the box, I was happy to see such efficient packing, padding and securing of items so nothing rubbed together. The bike arrived with no scratch whatsoever on it!
Loopwheels come in front- and rear-specific versions, one of the key differences being that the springs in the front wheel are twice as compliant as those in the back. This is (presumably) to help keep the wheel that does the steering from being knocked and bounced around, plus it compensates for the fact that more of the rider’s weight tends to be centered over the rear wheel.
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The added components don’t make the wheels all that much heavier, too, as each Loopwheel only weighs 300 grams more than a similar spoked equivalent. Because they use hubs and rims similar to standard wheels, they can be installed on any bicycle designed to take 20-inch wheels. Other sizes may come soon, although that will likely depend on how well the current size sells.
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Among the very few prominent recumbent groups around the world precious few can boast of the long history of racing and designing bents as can the British Human Power Club. We’ll chat with club officers Alan Goodman, Barney Harle and Chris Hamilton about their full racing seasons (including the World HPV Championships), member’s unusual HPV builds and the early group history with founding member Dave Larrington. Also Dave Ashenbrener returns with an update on his “Lost Recumbent” AR-3 tilting trike which he has now produced and is available to purchase. Honza, Doug and Nina are back with their segments as well. Midwest Trike Demo Sale – February 27! Posted on February 26, 2021 by Larry Varney
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
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While entirely theoretical, Lee’s design is not without merit. Spokes and rims found on any standard bicycle already absorb shock, albeit minimally.
What does free mount and balance include? Do you install them on my vehicle? Free mount and balance is included when you purchase a wheel and tire package. We will mount the tires on the wheels and balance them with state of the art equipment. There is no charge for this and included are the stick-on weights needed and standard chrome valve stems. Mount and balance does not include install to the vehicle. We always recommend professional installation.
Leaf springs are likely to wear because they have several moving parts. They should be inspected at intervals specified by the car manufacturer, or at major service intervals - usually every 12,000 miles (20,000 km). Facebook @howacarworks Twitter @howacarworks YouTube @howacarworks
For me, base on this design, as long as you can maintain the hub to be: ground to hub distance would always be greater than the hub to the horizontal distance (radius) to the rim. then you should be fine.
The gantry was to work by building a framework, with rails constructed from 1x1 blocks. The gantry X/Y axis arms are to traverse the rails with wheels. There would then be some pistons for the z axis, a rotor, and finally a landing gear for grabbing. All pretty straightforward stuff. On something like this, you do not want suspension on the wheels:
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The all-new available HUD serves as your virtual cockpit, projecting an array of customizable information on the windshield.
Shock absorbing casters with brake Wheel Material:Cast Iron core,PU wheels Size:Ø152 x 50mm ; Ø200 x 50mm Loading Capacity:260kg ~ 300kg Bearing Type: Double Ball Bearing
Boston.com reports the latest trends, auto shows and wrings out the newest cars in our city's hellish maze — and across the great roads of New England. Keep up with all the latest Boston sports news --from the court to the field to the rink with this daily newsletter Contributors Clifford Atiyeh is an automotive writer and car enthusiast . He has spent his entire life driving cars he doesn't own. In the garage: 1995 21-speed Iron Horse, 2002 Jeep Wrangler X (by association) Bill Griffith is a veteran Boston Globe reporter, having reviewed cars for more than 10 years and serving as assistant sports editor for 25 years. He was also the paper's sports media columnist. In the garage: 2006 Subaru Baja John Paul is public affairs manager for AAA Southern New England, a certified mechanic, and a Globe columnist. He hosts a weekly radio show on WROL.
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Heavy duty spring loaded casters Wheel Material:Iron core,PU wheels Size:5" x 50mm ; 6" x 50mm ; 8” x 50mm Loading Capacity:280kg ~ 350kg Bearing Type:Dual Ball Bearing
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Each wheel reportedly weighs about 300 grams (10.5 oz) more than a comparable spoked wheel.
Your trial is for 21 days from the date you place your order, but considering shipping & holidays, you’ll have around 2 weeks to assess them.
Innovative design means the wheel has a stiff structure but an element of compression. The springs within the wheel are made of a carbon composite material.
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Just got a question. How are you broke and afford a brand new Supra? Just curious... Poor people don’t own brand new Supras... +22 is way too much poke for the rears. You may need to camber the wheels in to get less poke. Sell those wheels and take off the spacers. When you can afford better spec wheels, then try again. Please don’t do that to a beautiful A90..... First Name Isaac Joined Dec 11, 2020 Messages 122 Reaction score 132 Location Georgia Car(s) 2021 Toyota GR Supra Premium Just got a question. How are you broke and afford a brand new Supra? Just curious... Poor people don’t own brand new Supras... Sell those wheels and take off the spacers. When you can afford better spec wheels, then try again. Please don’t do that to a beautiful A90..... Dam man calm your tits down, it’s his car and he can do whatever he wants. His finances are one of your business. If you want info simpli ask him no need to be a dick about it and insult the man. Freaking keyboard warriors. First Name Chris Joined Oct 19, 2020 Messages 351 Reaction score 383 Location NoVA Car(s) 2021 Supra 3.0 Premium that looks great. It almost looks lowered. Gap is minimum with the larger tires It also has the front splitter, side skirts, etc. which help too. It looks great. Forum software by XenForo® © 2010-2020 XenForo Ltd. | Media embeds via s9e/MediaSites MY ACCOUNT Hello, Sign In Forgot your password? Sign Up Here 0MY CART Sign In or Create an Account Year 2022202120202019201820172016201520142013201220112010200920082007200620052004200320022001200019991998199719961995199419931992199119901989198819871986198519841983198219811980197919781977197619751974197319721971197019691968196719661965196419631962196119601959195819571956195519541953 Brand BDS SuspensionBelltechCarli SuspensionCognitoFabtechFalconHaloICONJKSKeldermanKryptoniteMcGaughysPro CompProRYDEReadyLiftRock KrawlerRough CountrySkyjackerSUPERLIFTTeraFlexWicked MFGZone Suspension Type Body LiftsLeveling KitsLowering KitStruts/ShocksSuspension LiftsSuspension Upgrades
The first wheels are designed around the 20-inch wheels commonly used on fold-up bicycle, and Mr Pearce plans to sell bikes with the wheels fitted for £1200 in September.
Chief customer and supplier friend. Organised. Helpful. Always cheerful - even on a bad day. Small Team. Big Vision. Loopwheels are designed and made in the UK. Loopwheels Carbon Wheels Overview In Action Specifications Reviews Home / Loopwheels Wheelchair Wheels / Loopwheels Carbon Wheels Loopwheels Carbon Wheels Choose the perfect wheels for you... Rim size: Choose an option24 inch25 inch Push Rim Offset: Choose an optionnarrow (11mm)wide (19mm) Push Rim Type: Choose an optionCurve Grip (+£380)Curve Large (+£300)Gekko (+£380)Standard Black Aluminium Tyres: Choose an optionNo TyresSchwalbe Tyres with Schrader Car Valve (+£90)Clear
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For the first time, we are giving away a fully-built car, which happens to be one of the coolest coupes ever, a Honda S2000. This is one of our most badass giveaways yet! Not only are we giving away a sick new ride, but a portion of the proceeds from the giveaway will also be donated to Reach Out Worldwide, a nonprofit organization founded by Paul Walker with a mission to rescue and treat those affected by natural disasters. By entering this giveaway, you might just add a new car under your name, all while helping a nonprofit organization started by a real car enthusiast continue its humble mission. It truly doesn't get any better than that.
A leading arm , used only at the front, is the opposite of a trailing arm, with the wheel in front of the pivot.
