The ASTEROID Collection

The ASTEROID Collection brings together various ESDU Data Items for the calculation of excrescence drag due to steps, ridges, grooves and cavities on the external surfaces of aircraft.

The methods given in the associated ESDU Data Items are presented in a single piece of software, the ASTEROID Drag Tool. See the 'Software' tab for full details.

New in Release 2022-02 (May 2022).

For a limited time ESDU ASTEROID is available as a free trial. Sign up for a free trial...