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  2. Proterra ZX5 - Wikipedia

    en.wikipedia.org/wiki/Proterra_ZX5

    The ZX5 with any battery option can be fully charged in around 2.9 hours using the OppCharge system, which offers a maximum charging rate of 330 kW. [ 2 ] [ 1 ] Utilizing plug-in charging, the standard ZX5 takes around 2.9 hours to be fully charged, while the ZX5 MAX takes around 4.7 hours to be fully charged at a more limited rate of 132 kW ...

  3. Bicycle performance - Wikipedia

    en.wikipedia.org/wiki/Bicycle_performance

    From a mechanical viewpoint, up to 99% of the mechanical energy delivered by the rider into the pedals is transmitted to the wheels (clean, lubricated new chain at 400 W), although the use of gearing mechanisms reduces this by 1–7% (clean, well-lubricated derailleurs and a straight chainline), 4–12% (chain with 3-speed hubs), or 10–20% (shaft drive with 3-speed hubs).

  4. Proterra (bus manufacturer) - Wikipedia

    en.wikipedia.org/wiki/Proterra_(bus_manufacturer)

    The Proterra ZX5 was announced as the replacement to the Catalyst, available in 35-and-40-foot (11 and 12 m) nominal lengths. Edmonton Transit System of Edmonton, Alberta was the launch customer for the 40-foot ZX5. The ZX5 features the same composite chassis as the Catalyst but incorporates several design changes.

  5. Cycling power meter - Wikipedia

    en.wikipedia.org/wiki/Cycling_power_meter

    A cycling power meter is a device on a bicycle that measures the power output of the rider. Most cycling power meters use strain gauges to measure torque applied, and when combined with angular velocity, calculate power.

  6. Category:Proterra vehicles - Wikipedia

    en.wikipedia.org/wiki/Category:Proterra_vehicles

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  7. Electric bicycle - Wikipedia

    en.wikipedia.org/wiki/Electric_bicycle

    Another reason ebikes are popular is the low cost to charge, such as this e-bike which costs 10 cents to charge and able to provide 30 miles of range at 20 MPH. E-bike usage worldwide has experienced rapid growth since 1998. [27] China is the world's leading producer of e-bikes.

  8. Proterra Catalyst - Wikipedia

    en.wikipedia.org/wiki/Proterra_Catalyst

    Proterra ZX5 The Proterra Catalyst is a battery-electric low-floor transit bus that was built by Proterra from 2014 to 2020. The second generation of Proterra's battery-electric buses, it succeeded the earlier EcoRide as the company's flagship product.

  9. Fitness tracker - Wikipedia

    en.wikipedia.org/wiki/Fitness_tracker

    The Fitbit Charge 3 activity tracker. A fitness tracker or activity tracker is an electronic device or app that measures and collects data about an individual's movements and physical responses, towards the goal of monitoring and improving their health, fitness, or psychological wellness over time.