MacCready Speed-to-Fly: Glider & Paraglider Polar Calculator
Wired White v1 Find training speed-to-fly and average cross-country speed from a three-point polar. Animate the MacCready tangent for gliders and paragliders.
Aviation
Light aircraft and air mobility: density altitude, crosswind and takeoff distance, wind triangles and fuel, weight and balance, glide range, propeller thrust and eVTOL energy. Educational estimates; the aircraft flight manual and official data govern.
Wired White v1 
