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Aerodynamics

More and more often we hear about aerodynamics and the importance that the CdA (aerodynamic characteristic of a body or an assembly) has as a parameter for evaluating performance. To meet the needs of the cycling industry, Eurocompositi is equipped with a wind tunnel, specially developed to conduct tests on bike parts or assemblies. This advanced solution, combined with computerized analyses such as computational fluid dynamics (CFD), allows for rapid testing of any 3D printed prototype and previous verification of design quality.


The main advantage of this solution is represented by the speed of test cycles and the lower costs compared to a complete analysis in a traditional wind tunnel.

Aerodynamic tests of a 3D-printed handlebar prosthesis.

Aerodynamic tests of a 3D-printed handlebar prosthesis.

Steps for acquiring "Drag" data of a pair of handlebar prosthesis for different test angles and speeds.

Steps for acquiring "Drag" data of a pair of handlebar prosthesis for different test angles and speeds.

Positioning of custom prostheses with 3D printing of the athlete's arms

Positioning of custom prostheses with 3D printing of the athlete's arms

Phase of verifying correct positioning, for each specific forearm inclination

Phase of verifying correct positioning, for each specific forearm inclination

Example of acquisition of aerodynamic data with relative calculation of CdA values.

Example of acquisition of aerodynamic data with relative calculation of CdA values.

Wind tunnel specifically developed by Eurocompositi for aerodynamic tests on bicycle parts and components.

Wind tunnel specifically developed by Eurocompositi for aerodynamic tests on bicycle parts and components.

Evaluation of different aerodynamic profiles for transferring the sections onto specific components of the bicycle

Evaluation of different aerodynamic profiles for transferring the sections onto specific components of the bicycle

Validation of laboratory tests on the track. Image taken at the Monti velodrome in Padova.

Validation of laboratory tests on the track. Image taken at the Monti velodrome in Padova.

Board of Directors performance test with a stopwatch bicycle

Board of Directors performance test with a stopwatch bicycle

Preparation of wind velocity measurement devices using a specific Pitot tube.

Preparation of wind velocity measurement devices using a specific Pitot tube.

Banderuola, a simple tool, but always effective, for checking the direction of the wind

Banderuola, a simple tool, but always effective, for checking the direction of the wind

Wind measurement device installed on the bicycle, through the use of 3D printed supports.

Wind measurement device installed on the bicycle, through the use of 3D printed supports.

Aerodynamic test of a special water bottle holder for the insertion of traditional water bottles and storage of bicycle repair tools

Aerodynamic test of a special water bottle holder for the insertion of traditional water bottles and storage of bicycle repair tools

Testing and data acquisition phase.

Testing and data acquisition phase.

Further testing phase with different bicycle setups.

Further testing phase with different bicycle setups.

Data verification during acquisition.

Data verification during acquisition.

Data validation phase and evaluation of subsequent evidence.

Data validation phase and evaluation of subsequent evidence.

Data analysis directly in the field, verification of the effects of the components used.

Data analysis directly in the field, verification of the effects of the components used.

Check the data directly from your cellphone.

Check the data directly from your cellphone.

Comparison among the various tests.

Comparison among the various tests.