Dundee Tunnel Research

Train Photographs

ETR 470 train

A pretty picture of an ETR 470 similar to the test train, but in an even prettier Swiss location.

Pressure sensors inside train

Two pressure sensors measuring pressures inside a train. The tiny transducer is inside its plate. It samples through a 1mm hole at the centre of the plate.

Pressure sensor outside train

Transducer plate mounted on the outside of a train.

Distant view of sensor outside train

A more distant view showing that the externally mounted transducer is unlikely to disrupt the airflow along the train.

The test train closely resembled the following photographs provided by

Alstom Cisalpino train
© Copyright Alstom

Alstom Cisalpino train
© Copyright Alstom