Depends on the loading, weather conditions, altitude of the local airfield, etc.
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 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 maximum take-off weight of a Boeing 747-400 is 875,000 lbs
A 747's max take-off weight is 910,000 pounds.
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.
The latest 747 models weigh over 480 tons at take-off.
The maximum take off weight for a 747-400 is 875,000 pounds (396,890 kg.).
The maximum take off weight for a 747-400 is 875,000 pounds or 396,890 kilos.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
The 747 is lighter on landing because of the fuel it burned off during flight. This is true for all planes.
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.