I am building a plane and I have a take-off distance of 50ft, is there a way for me to estimate the thrust-to-weight ratio required for this constraint (even if it was in terms of say wing loading)?


1 Answer 1


Assuming you know the mass $m$ of the aircraft, the speed $v_0$ required to take off and the lift and drag associated.

Using basic dynamic and newton's second law you can calculate the average acceleration $a$ required to reach take off speed before the end of your runway:


Then using your drag generated at takeoff to be on the safe side

$$\text{Thrust} = m * a + \text{Drag}$$




Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.