Notio must be configured using an iOS device with the Notio application. The iOS device communicates with the Notio using Bluetooth while the Notio communicates with the sensors (power meter, speed and other compatible sensors) using ANT+.
Notio can be used without a Garmin device. Recording can then be controlled from an iOS device through the Notio app or directly from the Notio device using the button (double click to start / double click to stop recording your ride).
The Notio App has been developed for iPhone which runs with iOS 11, 12 and 13.
Note to iPad user : the Notio App can be used with the Notio App but it not optimize for it. So you might faces some issue by trying to using it. You must use your iPad in portrait mode only. As for iPhone, iPad can run the App with iOS 11, 12, 13 and iPad OS.
Note from Apple : not all iPad models support all versions of the iOS and not all devices are compatible -- or fully compatible -- with the current version of the iOS, iOS 13 (iPadOS), either. If the app unexpectedly quits, stops responding, or won’t open, follow these steps to get help.
Force quit the app, then open it again iPhone, iPad, Force the app to close.
Restart your device
Restart your iPhone, iPad, Then open the app to see if it works as expected.
Check for updates
Make sure that your device has the latest version of iOS or iPadOS.
iPhone, iPad : You can manually update apps.
You might need a Wi-Fi connection to update some apps on your iPhone or iPad.
Reinstall the app
iPhone, iPad : Open the Settings app. Tap General, then tap iPhone Storage (or iPad Storage). Tap the affected app, then tap Offload app. Tap Offload app again. Wait a moment for the app to offload, then tap Reinstall App.
Still having issue with our app, please rise a ticket by clicking HERE.
Total weight (kg) : ** value must combine your weight (w/ equipment) + your bike **
Tire circumference * : see the common tire circumference chart
Rolling Resistance (CRR) ** : default value should be 0.004
Calibration Factor *** : default value should be 1.39
Time window **** : default value should be 60 seconds
* There are many reference tables from cyclometer manufacturers, including Garmin and Cateye, to assess the circumference of tires based on their dimension. As a rule, for a 23 mm wide tire the circumference will be 2096 mm; for a tire 25 mm wide it will be 2105 mm.
** The Rolling resistance (CRR) coefficient is caused by the elastic deformation of the tires and the rolling surface. The default value in the Notio app is 0.004. This value corresponds to the rolling resistance of the most popular good quality tires on the market. To explore the subject or to check a specific tire model, click here.
*** Calibration factor : formerly named «Coefficient 1», the calibration factor is the result of the CdA which corresponds to the wind impact on the cyclist.
**** Time window : time Window is the time duration in seconds used to calculate the average value of the CdA. This duration is displayed on a compatible Garmin device in the Aerofields field. The default value is 60 seconds, which is a reasonable time for a stable position. / A parallel can be drawn with the power display. In order to prevent the value from changing too much it is common to display the average power over 3 seconds on the cyclometer instead of the instantaneous power. A user will usually display the 3 sec or 10 sec average power, which smooths data. The same goes with the CdA. As more variables are used to calculate the CdA, a bigger average time window will generate a more representative figure.
The main reason for using a speed sensor, rather than GPS speed, is that there is a slight lag between speed acquisition through a GPS and power recording with the power sensor. This lag is significant enough to distort CdA values. Also, the accuracy of the speed may vary depending on the GPS device, the chosen mode, and the obstacles. This variation will also distort CdA values.
In order to determine the Calibration factor or to evaluate the CdA according to a more detailed option (e.g., a new position on the bike or new piece of equipment), the following protocol is recommended:
● Choose a safe place for the test ride. Security must be prioritized
● The ideal terrain is a slight semi-flat. Avoid steep inclines
● Make at least one round trip of 6 km (3km out / 3km back)
● You must keep the same position on the way out and the way back
When the activity is imported into Golden Cheetah Notio, the round trip is analyzed in the Notio CdA Analysis chart. The goal is to balance the amount of wind on the go compared to the return, while taking into account the travel speed. The figure obtained in Factor corresponds to the Calibration factor.
NOTE : A simple way to ensure the good Calibration factor is to do the protocol described above once at each use of the Notio. If Calibration factor remains substantially the same each time, confidence in this value will be high. If it turns out different at each analysis, it may be worthwhile to do more than one round trip so to increase confidence.
Coefficient 1 is used as a calibration factor in the calculation of the CdA in relation to the wind impact on the cyclist. The way in which the wind comes in contact with each cyclist is different and will vary namely according to the cyclist (size, weight) and the position of the Notio on the bike (position on the bar/handlebar, height relative to the wheel). Once the Coefficient 1 is found, no need to modify it unless the Notio or the cockpit changes position.In the case of an erroneous Coefficient 1 when recording with the Notio, the right CdA values will be determined in Golden Cheetah Notio with the analysis tools. If Coefficient 1 is incorrect, the values displayed in real time on the Garmin device will also be incorrect.
The CRR is the rolling resistance coefficient. It is caused by the elastic deformation of the tires and the rolling surface.The default value in the Notio app is 0.004. This value corresponds to the rolling resistance of the most popular good quality tires on the market. To explore the subject or to check a specific tire model, click HERE.
Data is saved on the Notio until it gets transferred. Notio-specific
data is not saved on the Garmin or iOS devices. Once an activity is completed,
it can be transferred from your Notio to the Notio Cloud, using the Notio iOS
Golden Cheetah allows more customization and analysis than Garmin Connect.The Golden Cheetah Notio version is mandatory in order to be able to analyze all that's related to the CdA and other data recorded by the Notio, as this data will not be available in the Golden Cheetah standard version, nor Garmin Connect.
By using the Notio CdA Analysis chart in Golden Cheetah Notio.
You have to remember that Notio is a TOOL. Data analysis thus largely depends on data quality. To get quality data, you must correctly configure the Notio, use a high quality power sensor and make good round trips for the Calibration factor and for testing.
To increase confidence in data, increase the number of round trips.
The Notio is an electrical device that transmits and receives signals; therefore it can be sensitive to electromagnetic phenomena. Short signal losses may occasionally occur. However, repetitive signal losses of more than 5 seconds are atypical.
It allows you to analyze the efficiency of an object irrespective of its size or velocity.
In fluid dynamics, the drag coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water. The drag coefficient is always associated with a particular surface area.
The biggest current advantage is to get live CdA without having to go to the wind tunnel or a velodrome. You get a CdA in real life conditions. But this is only the beginning. With six families of sensors you can collect maximum data to perform maximal analysis. Think about Notio as a black box for bicycles.
The Notio App has some summary data to look at post ride so you can make equipment choices in the field. If you wish to analyze your ride data in more detail we have a Golden Cheetah Notio version which has preset tabs that display data. You can download Golden Cheetah Notio version once you purchase a product.
The CdA could be calculated to the second, but it is better to choose a bigger average time window. We suggest around 60 seconds. Consider your power meter data with all its spikes and variability. A user will usually display the 3 sec or 10 sec average power, which smooths data. The same goes with the CdA. As more variables are used to calculate the CdA, a bigger average time window will generate a more representative figure.
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