The Boeing 777-200 is 247,200kg at the maximum takeoff weight while an empty one is 134,800kg.
The max. speed of the Boeing 777 is 590 mph.
A Boeing 777 takes off at a speed of about 195 miles per hour.
The top speed of a Boeing 777 is: 0.89 Mach / 590 mph / 950 km/h / 512 knots.
The weight of a Boeing 777 varies depending on the specific model and configuration. For example, the Boeing 777-200 has a maximum takeoff weight (MTOW) of around 775,000 pounds (351,534 kg), while the Boeing 777-300 can have an MTOW of approximately 775,000 pounds as well. The Boeing 777-200LR and 777-300ER models have similar MTOW figures, but their operational weights may differ based on passenger and cargo loads.
Maximum speed of the Boeing 777 is as follows: 0.89 Mach / 590 mph / 950 km/h / 512 knots.
150 knots
148 knots
140knots is normal
Both, the Boeing 777 and the Boeing 787 have extremely long range than any other airplanes. The Boeing 777 is very old and it been around much longer than the Boeing 787. The Boeing 777 can also carry more passengers than the Boeing 787 but the Boeing 787 is lighter, can take off faster and easier, can travel faster and has more longer range than the Boeing 777. The Boeing 777 is heavier than the Boeing 787. Size does not even matter but the altitude and the range! Top speed of the Boeing 777: 567 miles per hour Top speed of the Boeing 787: 677 miles per hour Maximum cruising altitude of the Boeing 777: 43, 400 ft Maximum cruising altitude of the Boeing 787: 45, 200 ft
Boeing 777
The takeoff speed of a Boeing 747 can vary depending on factors such as weight, runway length, and weather conditions. However, generally speaking, the takeoff speed of a Boeing 747 is around 180-200 knots (207-230 mph).