Originally Posted by
joohaan
Ok, this all sounds great but what about the claim that Vy = 1.32 * Vx when eventually Vy = 1.00 * Vx? I just assume the factor is not decreasing linearly with altitude to absolute ceiling or is it? What's the physics behind this?
I missed this post earlier. Yes, 1.32 is only true at sea level, and only true as an approximation. There is no exact mathematical law by which it reduces to 1.00