Weight (mass)
Hi there!
That's true what people have wrote. You can simple say:
Ec=(1/2)*m.V^2
more weight (mass) and you have more energy to stop. Just like this. Furthermore, more mass implies more speed during approach and land, Vref (1.3Vs) is higher as stall speed is increased, and remember Kinetic energy varies with the Square of speed.
To worsen the things sometimes, imagine the next scenario:
-You must divert and land and your aicraft is to heavy. The rwy is critical and you have to jettison in order to have the MLW, but you really have no time and need to land. As one problem never comes alone It was rainnig 10m ago and the RWY is wet partially with patches, the wind is calm. Not a good idea at all.
regards!
Last edited by rasfcivil; 5th Jan 2011 at 03:50.