what is the take off speed of a small aircraft in relation to its wieght?

Question

a diagonal take off on a smooth runway

Answer 1

Wieght is only one component in calculating takeoff speed. You also have to take into account the lift characteristics of the particular plane, temerature and wind speed.

Most small piston powered planes like Cessna's or Pipers takeoff between 60 and 80 knots (multiply by 1.15 for MPH)

Answer 2

Depends on the aircraft.
The take off speed is given for an aircraft by the manufacturer.
It is calculated at sea level at a nominal temperature and air pressure combined with humidity.
A pilot must make calculations for his aircraft using the barometric pressure, altitude of the airport and weight of the aircraft.
Other factors are weight distribution in the plane flap setting(sometimes) if it is short field.
There are short take off and landing aircraft that lift up at 30
mph and small Cessna's can take off at approx 55mph.
I say approx because of the factors involved.
A higher take off speed means more runway and you can see it is a lot of responsibility on the Pilot depending on his situation.
Many small aircraft have not been able to get off the ground due to lack of calculations.
A good pilot will always calculate his requirements.

Answer 3

The other answers are correct, however I must ask: What is a diagonal takeoff?? I've been flying on and off for 35 years and have never heard that term.

Answer 4

It really isn't that simple, multiple factors come into play: Aerodynamics, Lift generated by the airframe, thrust, etc...