|
Correct! Landing Gear - This is a detail from Leonardo's Heliocopter. This mechanism, the landing gear, consists of a prop and a ladder. Both the prop and the ladder were retractable. |
|||||||||||||
|
||||||||||||||
|
||||||||||||||
|
||||||||||||||
|
||||||||||||||
|
||||||||||||||
|
||||||||||||||
|
|
|
|
|
instructions |