The answer depends upon several factors, but a fully loaded 747-400 taking off from a sea level airport with a temperature of 15 C would be taking off with a speen of about 185 knots.
180 mph
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
A Boeing 777 takes off at a speed of about 195 miles per hour.
The answer depends upon several factors, but a fully loaded 747-400 taking off from a sea level airport with a temperature of 15 C would be taking off with a speen of about 185 knots.
The Boeing 747's takeoff speed if 156knts or 180mph.Take off speed for 747-400 fully loaded is 155-160 knots or almost 300 km/h or 180 mph. About the speed of of an F1 racer down a long straight.The standard speed for a Boeing 747 to take off is at about 120 miles per hour.Take off speed for 747-400 fully loaded is 155-160 knots or almost 300 km/h or 180 mph. About the speed of of an F1 racer down a long straight.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
Between 130 and 180 knots is enough for most (different weights, configurations, etc) Boeing 747 to get off the ground
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
This can vary depending on weather and weight, but can be between 180-210 knots
speeds depend on the weather condition and how long the runway is but usally a 747 takes off at 150-154 knots.
The maximum take off weight for a 747-400 is 875,000 pounds (396,890 kg.).
The maximum take off weight of a 747-400 is 875,000 lbs or 396,890 kg.