Build recumbent bikes, trikes, and electric vehicles. Complete plans and a forum for builders around the world.

Demonstration of practical human powered bicycle transportation: a cargo trailer for use behind a bike.

Bike design at CALPOLY San Luis Obispo. Includes background on the first human powered helicopter as well as student bicycle designs.

A four-wheel rowing exerciser. Videos, specifications, pictures, and how to order.

An idea for modernising cycle rickshaw or human powered vehicle. Reduces operator fatigue by converting sideways movement into forward momentum.

Offers overview and photo gallery of a cable-driven bike with independent pedals and an infinite array of gear ratios. It is useful as a rehabilitation tool. Features videos on the bike and riding.

The discussion of any type of equipment or transportation using human muscles, usually leg muscles with cranks and chains. This includes generators, mills, drills, presses, boats, planes, and land vehicles.

The only racing series in the United States for recumbent and Human Powered Vehicles (HPVs). Includes events calendar, overview and history, along with information regarding the .deciMach Prize For Human Powered Speed.

Details the University's bid to break the human powered vehicle land speed record.

The sculptures race at events throughout the USA. Judged for art, engineering, pageantry and speed, these vehicles race on mud, pavement, sand, and water.