Main Menu

Sternemann-Siebert Schraubenflieger
A complicated helicopter with two contrarotating fabric-covered rotors of eight and six blades, built by F. Sternemann and W. Siebert of Hamburg, Germany, in 1910 and tested at the Wandsbecker Exerzierplatz.

Copyright © 2021 all-aero. All Rights Reserved.
Joomla! is Free Software released under the GNU General Public License.