Articles by Katja Grace

The monarch butterfly can fly around 100,000-600,000 m/kJ and move mass at around 0.065-0.36 kg.m/J according to very rough calculations.

The wandering albatross
can fly around 481m/kJ and moved mass at around 2.8—6.1 kg.m/J

Updated Nov 24, 2020 We estimate that a record-breaking two-person paramotor: covered around = 0.36 m/kJ and moved mass at around 0.058 – 0.10 kg.m/J Details Paramotors are powered parachutes that allow the operator to

The Spirit of Butt’s Farm:

• covered around 31.67 m/kJ
• and moved mass at around 0.16 – 0.086 kg.m/J

The MacCready Gossamer Albatross covered around 2.0—4.6 m/kJ and moved mass at around 0.1882 —0.4577 kg.m/J

The Boeing 747-400 covers around 2.1m/MJ and moves mass at around 0.39 – 0.83 kg.m/J

The Airbus A320 covers around 7.8 m/MJ and moves mass at around .33 – .61 kg.m/J.

The North American P-51 Mustang flew around 0.073—0.092 m/kJ and moved mass at around 0.25 – 0.50 kg.m/J