HotDog:
a 747 Classic with RB211-524 D4 engines at SL +15deg. 330kgs, non de rated thrust takeoff speeds, Flaps 10:
V1-150, VR-161, V2-173.
230kgs V1(VMCG)-142, VR-142, V2-159
Are you talking a Revell 747?? -> 330kgs or 230kgs??
I know, I know, everyone knows you meant 330tons. I just wanted to show to all the posting astronauts how easy it is to make a little typo ........