Brake Test - R139 Brake Assist, Category B (beta)

Updated on Mar 4, 2026

The R139 Brake Assist, Category B plugin for VBOX Test Suite gives you the ability to complete motorcycle brake tests and compare and analyse the brake stops from either a brake trigger or a user-defined CAN channel, such as brake pressure or brake position.

The R139 Brake Assist, Category B plugin has a unique Test Setup ribbon, from which you can configure the test.


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Click on the Configure button to open the Settings window where you can define the parameters of the test.

Click on the Report button to create a report from the current test results.

Click on the Maths Channels button to open the Maths Channels window to configure unique maths channels. You can find more information about maths channels in the Test Setup section.

Click on the Save Settings button to save the current test setup and add it to the Saved Settings area in the Add Test window.

The test will also be added to the list under the Brake button in the Test section of the Home tab for easy access.

Click on the Export button to display a dropdown menu with the export options. You can export the selected results or line results to a .csv or a .txt file. 


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Click on the Add Gate button to add a virtual gate to the chart and map at the point of the cursor. Gates are indicated by green lines. The currently selected gate will be indicated by a blue line.

You can now use the gates to define start and/or end conditions.


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Click on the Add Gate button to add a virtual gate to the chart and map at the point of the cursor. Gates are indicated by green lines. The currently selected gate will be indicated by a blue line.

You can now use the gates to define start and/or end conditions.

When you have added a gate, the name of the currently selected gate will be displayed in the name box. Click on the arrow in the box to see a dropdown list of all the added gates. The gates will be named according to the type of gate (if applicable) and the order it was added.  

Note: You cannot have multiple gates with the same name.

When you have added a gate, you can specify the gate width. The default gate width is 20 m.

Type the required width in the Width (m) value box. 

Click on the Rename button to edit the currently selected gate line.

Click on the Delete button to delete the currently selected gate line. 

Click on the Delete All button to delete all set gates for the session. 

Click on the Export button to export the created gate(s) as an .spl file. This file can be reused at a later date and with another VBOX product.

Click on the Import button to import a previously saved or provided .spl file. When the file is imported, the gates will be added in the order that they were saved in the .spl file.


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The Add button adds a column to the Test Results area. Click this button to open a dropdown menu where you can select a channel to display in the test results window.

When you select a column header in the Test Results area, the channel name will be displayed in the Channel box (the top box in the Data Column section). Some columns will have required channels and cannot be changed, but if you can change the channel, the Channel box will become a drop-down list with the available channels.    

Data column_SelectedColumn_DefaultChannel
Data column_SelectedColumn_EditChannel
Data column_SelectedColumn_DefaultChannel
Data column_SelectedColumn_EditChannel

When you select a column header in the Test Results area, and it is a changeable channel, the Condition dropdown menu becomes available. The conditions will depend on the test and selected channel.

Examples are:

  • Avg
  • Max
  • Min
  • Delta 
  • At Start
  • At End

The Sort Ascending button will sort the values in the currently selected column in the Test Results area in alphabetical order from A to Z.

The Sort Descending button will sort the values in the currently selected column in the Test Results area in alphabetical order from Z to A.


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Click on the Select All button to select every run in the Test Results area with one click.

Run -  Deselect All 

Click on the Deselect All button to deselect every run in the Test Results area with one click.

Click on the Deselect All button to deselect every run in the Test Results area with one click.


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Click on the Edit Data button to open the Session Data window and add various vehicle and test information, such as:

VBTS_R139_SessionData

Vehicle

  • Vehicle Model
  • Vehicle Number
  • Driver Name
  • Transmission
  • Engine Size
  • Power (kW)
  • Gross vehicle mass (kg)
  • Threshold Force, Ft (N)
  • Threshold Deceleration, at (g)
  • Threshold Pressure, Pt (psi)

Brakes

  • Front
    • Brake
    • Disc/Drum
    • Pads
  • Rear
    • Brake
    • Disc/Drum
    • Pads
  • ABS/ESC
    • Manufacturer
    • Model
    • Hardware/Software

Wheels/Tyres

  • Front
    • Wheel
      • Material
      • Dimensions
    • Tyres
      • Make 
      • Dimensions
      • Model
      • Pressure Unladen (psi)
      • Pressure Laden (psi)
    • Weight
      • Weight Unladen (kg)
      • Weight Laden (kg)
  • Rear
    • Wheel
      • Material
      • Dimensions
    • Tyres
      • Make 
      • Dimensions
      • Model
      • Pressure Unladen (psi)
      • Pressure Laden (psi)
    • Weight
      • Weight Unladen (kg)
      • Weight Laden (kg)

Test

  • Test Date
  • Test Track
  • Test Facility
  • Comments

Conditions

  • Road Type
  • Weather
  • Temperature (ºC)
  • Track Temperature (ºC)
  • Humidity % 
  • Wind Speed (km/h)

When in Offline mode, the Session Data will be saved into the VBOX file.  This information will be recalled every time the file is loaded into VBOX Test Suite.

When in Online mode, a newly created session will be populated with session data from the previous session.

To save time, you can import and export the session data for other sessions. When you have completed the Session Data, you can export the data to a .vbses file by clicking on the Export button in the Session Data window. The exported file will contain all the session data and can be imported into another session via the Import button in the Session Data window.


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Click on Help to automatically open an Internet browser and load the relevant section of the User Guide on the Racelogic Support Centre.

If you are creating a new test, the Settings window will open when you add the new test. This is where you can define the test parameters.

If you have already added a test and you have it open, you can click on the Configure button to open the Settings window to define or amend the test parameters.

VBTS_R139_Settings

This is where you define when the test will start. Use the dropdown menu to decide if the test is to begin on a trigger, or when a set CAN channel reaches a the user-defined positive or negative value.

Minimum Trigger Speed

You can enter a minimum speed at which trigger activation becomes valid. If the trigger is detected below this speed, the test will not start.

Use the up and down arrows next to the value boxes to increase/decrease the speed values. You can also type the required speed value directly into the box.

End Speed

This where you define the speed that will end the test. 

Use the up and down arrows next to the value boxes to increase/decrease the speed values. You can also type the required speed value directly into the box.

VBTS_R139_Settings_TestCondition

This is where you define when the test will start. Use the dropdown menu to decide if the test is to begin on a trigger, or when a set CAN channel reaches a the user-defined positive or negative value.

Minimum Trigger Speed

You can enter a minimum speed at which trigger activation becomes valid. If the trigger is detected below this speed, the test will not start.

Use the up and down arrows next to the value boxes to increase/decrease the speed values. You can also type the required speed value directly into the box.

End Speed

This where you define the speed that will end the test. 

Use the up and down arrows next to the value boxes to increase/decrease the speed values. You can also type the required speed value directly into the box.

VBTS_R139_Settings_TestCondition

These parameters allow the selection of the Brake Pressure and Pedal Stroke channels to be used for the test.
 

Brake Pressure Channel 1

Click on the dropdown arrow to see a list of available channels and select the first input channel for the brake pressure.
 

Brake Pressure Channel 2

Click on the dropdown arrow to see a list of available channels and select the second input channel for the brake pressure.
 

Pedal Stroke Channel

Click on the dropdown arrow to see a list of available channels and select the input channel for the pedal stroke.

VBTS_R139_Settings_BrakeParameters

These parameters allow the selection of the Brake Pressure and Pedal Stroke channels to be used for the test.
 

Brake Pressure Channel 1

Click on the dropdown arrow to see a list of available channels and select the first input channel for the brake pressure.
 

Brake Pressure Channel 2

Click on the dropdown arrow to see a list of available channels and select the second input channel for the brake pressure.
 

Pedal Stroke Channel

Click on the dropdown arrow to see a list of available channels and select the input channel for the pedal stroke.

VBTS_R139_Settings_BrakeParameters

To ensure that sufficient time or distance has passed since the previous run was completed or started, you can enter a minimum time and/or distance that must elapse before the next run takes place. If a run takes place before the specified time/distance has elapsed, that run will be highlighted in red to indicate an invalid run.
 

Minimum/Maximum

Select if the settings will apply as the minimum or maximum value.
 

Time (s)

You can set a maximum time between runs. If a run takes place outside of the specified time, that run will be highlighted in red to indicate an invalid run.
 

Distance (m)

You can set a maximum distance between runs. If a run takes place outside of the specified distance, that run will be highlighted in red to indicate an invalid run.
 

Measured from

You can select between two options for the source: it can either measured from the Last completed run (default) or the Last started or completed run (covering situations where a test has been started but then aborted).

Click on the option you want to use for your test.

VBTS_R139_Settings_TimeDistanceBetweenRuns

To ensure that sufficient time or distance has passed since the previous run was completed or started, you can enter a minimum time and/or distance that must elapse before the next run takes place. If a run takes place before the specified time/distance has elapsed, that run will be highlighted in red to indicate an invalid run.
 

Minimum/Maximum

Select if the settings will apply as the minimum or maximum value.
 

Time (s)

You can set a maximum time between runs. If a run takes place outside of the specified time, that run will be highlighted in red to indicate an invalid run.
 

Distance (m)

You can set a maximum distance between runs. If a run takes place outside of the specified distance, that run will be highlighted in red to indicate an invalid run.
 

Measured from

You can select between two options for the source: it can either measured from the Last completed run (default) or the Last started or completed run (covering situations where a test has been started but then aborted).

Click on the option you want to use for your test.

VBTS_R139_Settings_TimeDistanceBetweenRuns
Ignore deceleration values after 1.5s have elapsed

Sometimes after this period, the deceleration channel can become noisy, which in turn can make the brake test deceleration curve extend out of the test corridor, leading to an invalid test.

Tick this option to make the software ignore deceleration values 1.5 seconds after the brake pedal has been pressed.
 

Apply Butterworth filter to Force & Decel

Tick this option to apply a Butterworth filter of 2 Hz to both the pedal force and deceleration values.

VBTS_R139_Settings_ReferenceTestValidation
Ignore deceleration values after 1.5s have elapsed

Sometimes after this period, the deceleration channel can become noisy, which in turn can make the brake test deceleration curve extend out of the test corridor, leading to an invalid test.

Tick this option to make the software ignore deceleration values 1.5 seconds after the brake pedal has been pressed.
 

Apply Butterworth filter to Force & Decel

Tick this option to apply a Butterworth filter of 2 Hz to both the pedal force and deceleration values.

VBTS_R139_Settings_ReferenceTestValidation

As many brake test procedures require the brakes to be between, or below, a certain temperature, you can specify the Temperature channels and add a gauge to the dashboard that states if the temperature is OKLOW or HIGH.
 

Channel

Click on the dropdown arrow to see the available channels and select the channel you want to use for the temperature input. 
 

Min Value

Specify the minimum brake temperature for the test.

Use the up and down arrows next to the value boxes to increase/decrease the speed values or type the required speed value directly into the box.
 

Max Value 

Specify the maximum brake temperature for the test.

Use the up and down arrows next to the value boxes to increase/decrease the speed values or type the required speed value directly into the box.
 

Add

Click on the + button to add another condition.
 

Delete

Click on the button to remove a condition.

VBTS_R139_Settings_StartofTestTemp

As many brake test procedures require the brakes to be between, or below, a certain temperature, you can specify the Temperature channels and add a gauge to the dashboard that states if the temperature is OKLOW or HIGH.
 

Channel

Click on the dropdown arrow to see the available channels and select the channel you want to use for the temperature input. 
 

Min Value

Specify the minimum brake temperature for the test.

Use the up and down arrows next to the value boxes to increase/decrease the speed values or type the required speed value directly into the box.
 

Max Value 

Specify the maximum brake temperature for the test.

Use the up and down arrows next to the value boxes to increase/decrease the speed values or type the required speed value directly into the box.
 

Add

Click on the + button to add another condition.
 

Delete

Click on the button to remove a condition.

VBTS_R139_Settings_StartofTestTemp

You can rename a session tab by double-clicking the tab header. Changing the name on the session tab in the software will automatically change the name of the locally saved VBOX file (.vbo or .vbb).

By pressing the Edit Data button next to the name of the session in the Test Results area or on the Test Setup tab on the ribbon, you can add vehicle and test information to the session.

  • When in Offline mode, this information will be saved into the VBOX file, meaning that this information will be recalled every time the file is loaded into VBOX Test Suite.
  • When in Online mode, a newly created session will be populated with session data from the previous session.

This information will be included in the test report to make it easier to see under what conditions the test was conducted.

To save time, you can import and export the session information for use in other sessions (the entire range of data is exported, not just the visible screen).

Once the session information has been completed, you can export the data to a .vbses file. This file will contain all the session information that can then be imported into the open session information field.

 

The Test Results area has the following default columns:

Run
Indicates which run number the results relate to, with run one being the first run completed.

There is also a selection box that, when ticked, includes that run in the graph and into the Average/Max/Min/Standard Deviation calculations. Once selected, a coloured square will appear to indicate which colour this run is displayed as on the graph.
 
Note: If you are loading a file in Offline mode, all valid runs will automatically be ticked.
Time (s)
The total time the run has taken.
Distance (m)
The total distance travelled in that run.
Start Speed (km/h)
The speed at which the test started.
aMAX (g)
The maximum deceleration during the brake stop.
90% aMAX (g)
The 90% value of the maximum deceleration during the brake stop.
Ref-aABS (g)
The average deceleration of all the values above the 90% aMAX value.
Pass/Fail
Whether the run has passed or failed the test, showing that the deceleration did not exceed the +/-0.5 s corridor as shown in deceleration graph for the brake stop.

The software will automatically add columns based on the configuration in the Settings.