Originally Posted by
simyoke
The muddling point is that if RTOW chart computations are done with 25% CG why bother with 27%? 25 is more forward than 27%.
Correct, RTOWs are for a 25% CG. If the CG is forward of 25% then the RTOWs aren't valid. However the calculated CG is not 100% accurate, so to allow for a small amount of error, the CG adjustment is made if the calculated CG is 27% or less. They are being conservative.