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## Main Question or Discussion Point

The following are a few questions that i have come across while writing takeoff distance code:

1. Assuming a known static thrust, how will this thrust vary as the airspeed increases?

ex. Is the relationship linear? quadratic? how can i determine the coefficients of the "thrust in terms of velocity equation"?

2. Assuming i know my engine power output at given rpm, and given some known prop parametrs. What program/website contains the equations needed to find the static thrust output?

3. Does anyone know of some good Take Off Distance Calculators that i can use as a sanity check for my code?

1. Assuming a known static thrust, how will this thrust vary as the airspeed increases?

ex. Is the relationship linear? quadratic? how can i determine the coefficients of the "thrust in terms of velocity equation"?

2. Assuming i know my engine power output at given rpm, and given some known prop parametrs. What program/website contains the equations needed to find the static thrust output?

3. Does anyone know of some good Take Off Distance Calculators that i can use as a sanity check for my code?