4_contra-rotating-propellers December 24, 2024 Christophe Image published in: Dragonfly, the disruptive twin-engine electric ULM that is efficient, safe and environmentally friendly On the same subject :Dragonfly, the disruptive twin-engine electric ULM that is efficient, safe and environmentally friendlyDownload: wind Elena faired double helix Image available in: 1000 x 567 / 150 x 150 / 300 x 170 / 1000 x 567 / 1000 x 567 / 600 x 400 / 820 x 465 / 50 x 50 / 150 x 150 / 250 x 250 ← Previous Next →