Showing posts with label Bicycling. Show all posts
Showing posts with label Bicycling. Show all posts

Monday, June 9, 2008

International Human Powered Vehicle Association

Description: 

The International Human Powered Vehicle Association is an association of national associations and organizations, dedicated to promoting improvement, innovation and creativity in the use of human power, especially in the design and development of human-powered vehicles.

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Velo Vision Magazine

Description: 

covering specialised bikes, cycling as transport and human power. It's a quarterly dose of cycle inspiration. Velo Vision is a quarterly cycling magazine celebrating cycle culture worldwide. It is a magazine for those passionate about cycling, and whose interest is in the practical applications of cycling, bikes as a transport solution, and cycling as a bridge between like-minded people across the world.

It contains authoritative technical material, intriguing stories of cycling people and communities from across the world, cycling art, history and literature, and of course the latest from the world of specialised cycle design: workbikes, recumbents, folders, family cycling and more.

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Bike to Work Guide: No More Excuses

Description: 

An exploration of excuses and answers related to bicycling to work and bicycling in general.

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Sunday, December 23, 2007

The NuVinci infinitely geared bike hub

Recently NuVinci bicycle drive-train was awarded Technology Innovation of the Year. What's so special about it? It appears to be ground-breaking, though with design inspiration drawing from no less than Leonardi DaVinci.

Here's what they say: A new way of transmitting mechanical power based on spheres instead of gears. The NuVinci continuously variable planetary (CVP) technology, an innovative new continuously variable transmission (CVT), is not only helping vehicle designers and component manufacturers improve performance, ride quality and capabilities in existing products. Hum, so this means no more dérailleur popping the chain off at inopportune times? And rather than having gearing at discrete settings it can be set to the exact desired ratio. Cool.

I'm afraid the implementation goes over my head a little. The technology relies on transferring power through rotating metal spheres. Somehow by varying the angle of interfacing with the balls it varies the gear ratio. Uhm, okay, yeah, sure, so long as it works I'll be happy.

The web site says right now they're doing this for bicycles but they hope to make the technology for bigger vehicles too.

I've collected pointers to a few reviews.

External Media
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Sunday, July 30, 2006

Human Powered Transportation Association

Description: 

The group was formed to promote the use of human powered transportation alternatives on land and water by organizing periodic human power events and competitions for all individuals ; including the mental and physically handicapped. It offers riders a unique experience in alternative modes of transportation and comfort. The events offer creative , educational and challenging experiences.


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Human Powered Vehicle Operators of Ottawa (HPVOoO)

Description: 

Human Powered Vehicle Operators of Ottawa is a loose affilation of cyclists based in Ottawa, Ontario (Canada's Capital), and share a love of recumbents, folding bikes, choppers, and perhaps just about any bike that might look a bit different. They are a non-club, with no dues, no meetings, and not even any organized rides! We converse via the mailing list or on irc, and just look for opportunities to ride our bikes. Many of us are car-free, and use our steeds for transportation, moving stuff around, and also taking part in the odd parade or two.


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