Are Expensive Bicycle Wheels Worth the Money? Let’s Check the Physics

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In this video, you see a cyclist testing new aerodynamic wheels from Zipp. Swapping your wheels may seem like a small change, but can make a big difference. From his tests, the rider discovers:

  • With conventional wheels, he can ride 20 minutes at an average speed of 41.12 kph with an average power of 379 watts.
  • With the Zipp 808 NSW aero wheels he rides 51 minutes at an average speed of 41.13 kph and average power of 344 watts.

Before looking at power and energy, I should go over two small details.

First, how do you measure power? Cyclists can measure power by installing a small computer, called a power meter, that measures the input torque at the pedals or crankshaft and records the rotation angle at timed intervals. If you know the torque and angle, you can calculate the input energy. Dividing this energy by time gives you

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Free VIN Check and Vehicle History Report. Find Accident History & More

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How To Get a Vehicle History Report

A vehicle history report (or VIN check) is an invaluable tool if you are planning on buying or selling a vehicle. As a buyer, you can use a vehicle history report to give you peace of mind that the vehicle you are thinking of purchasing is in good condition. On the other hand, if you are selling a vehicle then a clean history report can help entice potential buyers.

How to Obtain a Vehicle History Report

You can obtain both free and paid VIN lookups. Free vehicle records will typically include less information than paid ones, but they may be sufficient depending on what information you need. The National Insurance Crime Bureau (NICB) offers a free VinCheck. As with a complete vehicle history report, you will need to provide your Vehicle Identification Number (VIN) when using VinCheck. You can also only

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Got Bored Kids at Home? Check out the Petersen Automotive Museum’s Free Streams and Activities

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In Los Angeles, the Petersen Automotive Museum is a go-to destination for us staffers at Automobile, and there isn’t one of us who hasn’t wiled away an afternoon there immersed in all it has to offer. While the museum is understandably closed until at least the end of March, it hasn’t taken long for it to begin a schedule of live streaming events and other educational activities from its avant garde headquarters in downtown Los Angeles, all offered for free on its website.

If you have bored kids at home, you’re in luck. The events are mostly geared toward children, though no doubt parents will enjoy following along as well. So far, the schedule is as follows (all times are PST):

  • Tuesday, March 17, 10 a.m. – Force and Motion
    • Cars are about motion. While it may seem simple to press a pedal and move forward, there are dozens
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Vehicle Registration Details Online, Check Vehicle Information in India

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About History

History is a platform that provides users with overall information about vehicle history. With the help of the tool, the users can check vehicle history of any car, bike or scooter and get the vehicle history report and generate a certificate. The certificate generated by History helps you check vehicle history online. This full vehicle history report is very useful for the buyers as well as sellers as it helps the users by providing all the details which are crucial while buying or selling a used automobile. It is India’s most comprehensive Car, Bike and Scooter History Tool that let the user know about the background of any used vehicle or the detailed vehicle information. This is the reason why the report is also coined as a vehicle information report.

Why History?

History is an unbiased certificate that reveals the overall information about any vehicle’s background. You can

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