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1. • • Watts = Power being produced by a rider. Cd = The coefficient of drag (wind). A = How much frontal area a rider projects. Watts/CdA = Power being produced by a rider divided by the coefficient of drag multiplied by the frontal area of said rider. In essence, how good you are at turning your hard work into forward speed!
     gccoaching.fit/2016/11/05/get-faster-on-flat-roads-wattscda/

     Get Faster on Flat Roads! Watts/CdA - GC Coaching

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   What is CDA & Watts?

   • Cd = The coefficient of drag (wind). A = How much frontal area a rider projects. Watts/CdA = Power being produced by a rider divided by the coefficient of drag multiplied by the frontal area of said rider. In essence, how good you are at turning your hard work into forward speed! The lower the CdA the better.

   Get Faster on Flat Roads! Watts/CdA - GC Coaching

   gccoaching.fit/2016/11/05/get-faster-on-flat-roads-wattscda/

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   What is CDA & how does it work?

   • In order to quantify this efficiency, we use the term CdA. CdA is an abbreviation for the coefficient of aerodynamic drag. It’s a dimensionless number (no units), which is the result of a body’s drag size, shape and surface texture. The above cyclist going 36 km/h with 200 watts on a flat course has a CdA of .28.

   What Is CdA? and Why Is It Important as a Cyclist to Measure It? - Notio

   notio.ai/blogs/blog/what-is-cda-and-why-is-it-important-as-a-cyclist-to-measure-it

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   How is CDA determined?

   • CdA is determined by the size, shape and surface texture of the moving object. Examining Ganna, we see that his bike had narrow tubing, extending backwards to create a more aerodynamic shape. We can also see, under his skinsuit, a base layer designed to affect the texture of his shape.

   Power vs aerodynamics: what is the best balance and how can I achieve

   www.cyclingweekly.com/fitness/power-vs-aerodynamics-get-balance-right-324633

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   How many Watts Does a 50kph CDA reduce?

   • With a CdA of 0.22, you will need ~220 watts. However, increasing that to 50kph and 0.25 will require more like ~400 watts and 0.22 around ~350 watts. We can see here that the reduction in CdA saves more watts at a higher speed but, at lower speeds, the CdA reduction results in a greater speed increase for the same power.

   Power vs aerodynamics: what is the best balance and how can I achieve

   www.cyclingweekly.com/fitness/power-vs-aerodynamics-get-balance-right-324633

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   What happens if the Watts/CDA equation gets worse?

   • In this (extreme) scenario, hip angle is reduced, knee angle is reduced, shoulders are stretched out, and breathing possibly restricted. All of this is likely to impact power output severely, so the overall Watts/CdA equation doesn’t get better.

   Power vs aerodynamics: what is the best balance and how can I achieve

   www.cyclingweekly.com/fitness/power-vs-aerodynamics-get-balance-right-324633

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   What factors affect CDA?

   • As mentioned, CdA depends on the size, shape and surface texture of the object. The most important component of the size is the frontal area, i.e., the area in contact with the wind from the front. But the shape of the object is also very important.

   What Is CdA? and Why Is It Important as a Cyclist to Measure It? - Notio

   notio.ai/blogs/blog/what-is-cda-and-why-is-it-important-as-a-cyclist-to-measure-it

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3. notio.ai › blogs › blogWhat Is CdA? and Why Is It Important as a Cyclist to Measure It?

   notio.ai › blogs › blog

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   Jun 16, 2018 · CdA is an abbreviation for the coefficient of aerodynamic drag. It’s a dimensionless number (no units), which is the result of a body’s drag size, shape and surface texture. The above cyclist going 36 km/h with 200 watts on a flat course has a CdA of .28.

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4. tritrainingharder.com › blog › 2023What is better, more Watts or a lower CdA? - Tri Training Harder

   tritrainingharder.com › blog › 2023

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   Jun 26, 2023 · What is better, more Watts or a lower CdA? In this article, Coach Alan explores the relationship between wattage and CdA. Often understanding this relationship and its impact on speed makes for effective progression for a racer looking to improve their race speed.

5. www.cyclingweekly.com › fitness › power-vsPower vs aerodynamics: what is the best balance and how can I ...

   www.cyclingweekly.com › fitness › power-vs

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   Feb 6, 2023 · We can reduce the effect of air resistance on us by reducing our coefficient of aerodynamic drag (CdA). CdA is determined by the size, shape and surface texture of the moving object.

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6. gccoaching.fit › get-faster-on-flat-roads-wattscdaGet Faster on Flat Roads! Watts/CdA - GC Coaching

   gccoaching.fit › get-faster-on-flat-roads-wattscda

   Nov 5, 2016 · Cd = The coefficient of drag (wind). A = How much frontal area a rider projects. Watts/CdA = Power being produced by a rider divided by the coefficient of drag multiplied by the frontal area of said rider. In essence, how good you are at turning your hard work into forward speed!

7. notio.ai › blogs › blogMore speed, same watts: why so much talk about CdA?

   notio.ai › blogs › blog

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   Feb 11, 2020 · The Coefficient of Aerodynamic Drag (CdA) is the number most often used to measure aerodynamic efficiency. Why? While training with heart rate and power numbers are generally understood, less is known about CdA. That’s changing, however, as teams and triathletes start to dig into the science.

8. www.endurance-data.com › en › cda-calculatorCdA Calculator - Endurance Data

   www.endurance-data.com › en › cda-calculator

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   Choose temperature, altitude, tires, drivetrain efficiency and calculate the CdA for a given power output and speed.

9. www.triathlete.com › gear › bikeAn Introduction to Aerodynamics for Triathlon – Triathlete

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   Jun 11, 2024 · CDA is shorthand for coefficient of aerodynamic drag. It takes in consideration the size of the object and its shape. The lower the CDA, the more aerodynamic it is. Imagine your hand outside the car window again. When open, it will have a large CDA; in a closed fist, it will have a small CDA.