BY THE NUMBERS

THE WRIGHT FLYER VS. NASA’S INGENUITY HELICOPTER

Crew: 1 / 0

Propeller length: 2.6 m / 1.2 m

Propeller speed: 350 rpm / 2,500 rpm

Size: 6.43 m long by 12.29 m wide / 13.6 cm by 19.5 cm

Weight: 274 kg / 1.8 kg

Power: 12hp gasoline engine / 6 lithium-ion batteries, solar charged

Altitude of first flight: 6 m / 3 m

Weather: Winds NNE 32 kph, 5

C / negligible winds, -21 C

Flight duration: 12 seconds / 39.1 seconds

Time of flight: 10:35 a.m., Dec. 17, 1903 / 3:34 a.m., April 19, 2021 (12:33 p.m. local Mars time, sol 69, year 36)

Success notification: Western Union Telegraph Company / Deep Space Network, via Perseverance Rover and Mars Reconnaissance Orbiter