Mars Helicopter Scout. Diagram without labels
NASA/JPL
<a rel="nofollow" class="external free" href="https://www.gaussteam.com/wordpress/wp-content/uploads/2018/02/20171204_Leon-Alkalai-1.pdf">https://www.gaussteam.com/wordpress/wp-content/uploads/2018/02/20171204_Leon-Alkalai-1.pdf</a>