CdaCrr - Bike computer with ae 4.0.1



Publisher Description



CdaCrr - Bike computer with ae - Cycling app computing aerodynamic and rolling resistance coefficients.

Bike computer to ride faster by improving your aerodynamic position and testing gear/equipment. Among other data, it monitors CdA (drag*area) and Crr (rolling resistance) coefficients, during races or dedicated testing sessions. It requires BLE or ANT+ power and speed sensors, and an anemometer (option, see below) for improved precision.
Powermeters successfully tested are:
- Power2Max
- Assioma pedals
- PowerTap hub (records speed so additional sensor is not needed)
Speed sensors currently supported are:
- CycleOps
- Garmin (Warning: old Ant+ Garmin model is not working with the app)
- Wahoo
- CooSpo

Avoid any magnet less speed sensor, their accuracy is not as good.

Read the help to quickly see how to use the app: http://cdacrr.blogspot.fr/p/help.html

If you need help, you may post on Slowtwitch forum, on this thread .

Current features:
-Compare Crr between different tires on ridden laps at slow speed (
-Configurable field to switch between different fields (altitude, cadence, bike direction,...)
-Model uses air density accuratly computed with weather station data and detected sensors
-One FIT file and several CSV files are stored and can be sent by mail for post analysis
-Hear/record voice message each lap
-Activate cloud storage to list/edit previous runs later
-Plot virtual vs real elevation (barometer needed)
-Measure road vibration with phone accelerometer if available
-Wind forecast on location where you plan to field test
-Enable/disable auto-zero feature of ANT+ powermeter

The app is free, but more features are available with the premium version :
Premium features:
It includes other modes (described here ):
-Defined lap length mode (for velodrome, click once to start the run)
-Time trial mode (needs barometer) to get CdA at the end of the race
-Criterium mode to get apparent CdA lap per lap during a race
-Training mode
And some optional devices:
-Support Weather Meter anemometer to record air speed (to get higher precision for CdA numbers during windy days)
-Possible to use Bluetooth headset to hear/record voice messages (useful during velodrome testing)

Download the key for the premium version here

Known bugs/possible issues:
-BLE connection with older phones is sometimes tricky
-Random ANT+ dropouts
...


About CdaCrr - Bike computer with ae

CdaCrr - Bike computer with ae is a free app for Android published in the Sports list of apps, part of Games & Entertainment.

The company that develops CdaCrr - Bike computer with ae is bugno. The latest version released by its developer is 4.0.1. This app was rated by 1 users of our site and has an average rating of 5.0.

To install CdaCrr - Bike computer with ae on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2022-03-03 and was downloaded 4 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the CdaCrr - Bike computer with ae as malware as malware if the download link to com.cdacrr is broken.

How to install CdaCrr - Bike computer with ae on your Android device:

  • Click on the Continue To App button on our website. This will redirect you to Google Play.
  • Once the CdaCrr - Bike computer with ae is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
  • A pop-up window with the permissions required by CdaCrr - Bike computer with ae will be shown. Click on Accept to continue the process.
  • CdaCrr - Bike computer with ae will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.



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Click stars to rate this APP!

Users Rating:  
  5.0/5     1
Downloads: 4
Updated At: 2024-03-22
Publisher: bugno
Operating System: Android
License Type: Free