Aero - Cda & Crr estimate

Read about the estimated Cda/Crr from the last years Giro winner here

New features:

- Use your own weather parameters for the estimation

- You can now compare your current Cda against your selected Aero Profile on the Garmin device in real time! This gives easier access to determine how your current position is against your desired goal

The terminology aerodynamics is pretty commonly used nowadays in the cycling industry.

The main purpose of this app is being able to calculate the aerodynamic drag (Cda) and the rolling resistance (Crr) on the fly while cycling outside. Thereby the ability to test equipment and see improvements out on the open road.

I am trying to get the estimates as accurate as possible by getting weather data from the web, which is the reason I had to make a subscription service. There are now two subscriptions available, a basic plan and a premium plan. The basic plan gives the possibility to update the weather every 15 minutes up to 3 hours each day and the premium plan is every 10 minutes up to 4 hours each day.

Furthermore, the current version is basing its estimations on the Virtual Elevation approach and the Linear Regression approach described by R. Chung.

This app requires that you have a power meter on your bike and have compatible Garmin device that has downloaded the companion app Aero - Cda & Crr estimate from the Garmin Connect IQ store. The companion app for the Garmin device will store the cda & crr data.

So, what are you waiting for? Lets see how fast your new position is and post your data in the reviews!

Feel free to contact me if a problem occurs or if you have some feature requests. Or post your problems or suggestions at the Google forum