Understanding and Measuring Wheel Circumference for Cycle Computers
Explore different methods to measure the circumference of a bike wheel for accurate cycling computer data. Discover formulas, techniques, and examples to enhance your understanding.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
E N D
Presentation Transcript
When fitting a cycle computer, you have to type in the wheel circumference. This helps the computer to work out how far you have travelled. What this video clip to see how one man measures the circumference of his bikes
This applet shows why his method measures the circumference Why? Click on the circle to go to link
You know another way to work out the circumference of a circle. What could you do?
This wheel rim has a diameter of 62cm The tyre has a diameter of 5cm How could you find the circumference of this wheel? 5cm Work in your pairs 62cm
This wheel rim has a diameter of 62cm The tyre has a diameter of 5cm Show me your working out 5cm 62cm
This wheel rim has a diameter of 62cm The tyre has a diameter of 4.5 cm The man in the video talked about different types of tyres. 4.5 cm How would you alter your calculation if the tyre had a diameter of 4.5cm? 62cm
Watch the working out in this video. What are the measurements of his wheel? ? cm How do you know? ? cm
Can you write a formula for any measurements a and b? Show me your working out a cm b cm
The Penny Farthing The front wheel of this penny farthing is 55 inches in diameter, and the back is 14 inches. How tall is the front wheel? The worksheet asks questions about how far the circumferences of the two wheels.
