Where on the power-required/power-available graph can you find the speed for best range?

Question

Accepted Answer

By drawing a tangent from the origin of the graph up to the power-required curve.

Answer

At the point where the power-required curve intersects the power-available curve.

Answer

At the lowest point on the power-required curve.

Answer

By drawing a tangent from the starting point of the power-required curve down to the power-required curve
itself.

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