Zil-derbirds are go! A very unusual propulsion scheme -I can’t tell if lateral stability is an issue or if it sideslips (right around 00:50) on purpose.
*
via Hemmings.
Zil-derbirds are go! A very unusual propulsion scheme -I can’t tell if lateral stability is an issue or if it sideslips (right around 00:50) on purpose.
*
via Hemmings.