-
Machine with wings that go up and down like a bird's
-
They did this by making a fire under a silk bag so it filled with hot air
-
One of them had a box under the wings,like a boat with wheels
-
George Cayley and Otto Lilienthal built their own glider. Later in 1902 they started designing an engine on for it
-
Orville Wright flew their plane. The flight lasted 12 second and the plane traveled about 36.5 meters. Then, in 1905, Wilbur flew for 38 km.
