Wheelchair design has evolved in recent years but users can still find it demanding to propel themselves. That can be especially difficult and uncomfortable on rough surfaces such as cobbles and paving stones.
This looks dodgy. As per above – lateral stiffness? You have what looks like three contact points spot welded to the rim. I like my rims to stay somewhat connected to the hubs. These look like they have potential for rather catastrophic failure. Bob McNaughton on April 14th, 2013 - 11:06pm
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For over 60 years, Pemco has developed shopping cart and multi-purpose casters focused on providing the greatest value at the most competitive prices. Designed and proven in environments ranging from retail to industrial, Pemco's casters and wheels have been a longtime choice for OEM and service companies around the world.
The University of Texas at Austin Center for Electromechanics (UT-CEM) has conducted a set of simulations and full-scale experiments to determine suitable shock load design requirements for in-hub (wheel) propulsion motors for hybrid and all-electric combat vehicles. The characterization of these design parameters is required due to recent advancements in suspension technology that have made it feasible to greatly increase the tempo of battle. These suspension technologies allow vehicles to traverse off-road terrains with large rms values at greater speeds. As a result, design improvements for survivability of in-hub motors must be considered. Defining the design requirements for the improved survivability of in-hub motors is the driving factor for this research.
Over the winter of 2014-15, we’ve been developing and trialling our first 20 inch loopwheels designed especially for recumbent trikes. The springs are designed to cope with fast cornering and the particular forces of side-axles. We’re really happy with the results. Loopwheels-builder Graeme cycles the 12 miles to work on his trike most days – fitted with loopwheels, of course. He’s been pushing us to get these ready to share! We showed these new trike wheels at the Spezi show in Germersheim, Germany on 25 and 26 April 2015, along with another new design for trikes, with our own hubs and a disc brake fitting.
Surprised at the baseless negativity this morning. Wait, no, I’m not. Maybe it’s not the simplest suspension solution, but a cool alternative when everything else is homogenizing. bazookasean on May 20th, 2016 - 9:48am
Within 20 metres you notice how smooth the ride is, looking down and you see that its not fresh tarmac, rather it’s a country road, yet the ride gives no indication of the road surface, its just smooth – you are feeling the road rather than the grotty surface.
In the garage: Mazda 5, Dodge Neon George Kennedy is a senior writer for WheelsTV in Acton, which produces video reviews for Yahoo, MSN, and other auto websites. Select a month February 2014 January 2014 September 2013 August 2013 April 2013 February 2013 January 2013 November 2012 October 2012 September 2012 August 2012 July 2012
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[Hot Item] Spring loaded casters with brake, SA63SPB-5''/6''/8'', Caster Wheels, China, Factory, Suppliers, Manufacturers
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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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We deal in all things mobility and disability related! We customise, we hire out and we repair wheelchairs. If you are looking for rehabilitation equipment or daily living aids—whether it’s a lift chair, commode, hoist, tap turner, automatic can opener or walker—we can help you. Come in store or buy online! Occupational therapist Physiotherapist Neither
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Join us for Cycle-Con Weekend next year, in Dayton, Ohio in 2022. The area boasts some of the best riding trails to be found in the U.S., with 30 miles of central-city trails, and access to the nation’s largest network of paved trails – more than 340 miles of the Miami Valley Trails network! Dayton is one of Bicycling Magazine’s Top 50 Cycling Cities, and is a League of American Bicyclists ‘Bike Friendly Community.’ Maybe even make your visit to Dayton and the show a working/riding vacation this year! July 11th Laidback Bike Report! Posted on July 10, 2021 by Larry Varney