It's when you design a plane and find it cannot get off the ground and you then have to work out whether increasing the engine power (taking into account
the change in fuel consumption) or the wing area (taking into account the weight and air resistance) would help more that it really becomes more effort than
it's worth.
the change in fuel consumption) or the wing area (taking into account the weight and air resistance) would help more that it really becomes more effort than
it's worth.