Thanks saikat and anwar

Actually I am participating in a competition where my plane has to take off in 12 metres.

So I need to do this exercise of calculating take off distance, before starting construction.

I don't mind doing a trial and error method to find the take off distance.

But after constructing the plane if it doesn't takeoff within the mentioned length it will be all waste.

At this point I can make some aerodynamic assumptions but I need to have some idea of the take off distance..

The link saikat posted asks for ambient conditions and only plane's weight and nothing about the motor and lift.

I think the take off distance would depend on the weight, lift, drag and power of the motor.

Let me know if I am thinking in the right direction.

Just need to find the right link between all these parameters..

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