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 lift off speed is dependant upon the weight of the aircraft. The heavier the aircraft the higher the speed. At maximum take off weight of 875,000 lbs (396,890 kgs) Vr (rotation speed) will be about 175 knots and V2 about 185 knots.
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.
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).
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.
Assume you want V2 speed. Set flaps 10. This should give you V1 of about 120 knots. Rotate at 140 knots and climb out at 148 knots.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
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
A Boeing 747 typically requires a ground speed of around 180-200 knots (207-230 mph) for liftoff. This speed varies depending on factors such as aircraft weight, weather conditions, and runway length.
speeds depend on the weather condition and how long the runway is but usally a 747 takes off at 150-154 knots.