Re: T. rex mechanix

[Betty Cunningham <bettyc@flyinggoat.com>]

ngear@gvtc.com wrote:
> 
> It almost seems like the more I think about the physics of being a rex, the
> less I understand how this animal worked.  Here are some of the things I am
> currently pondering.
> 
> Locomotion/maneuverability:  Polar moment of inertia.
> Anyone who has ever tried to make a turn with a 20 foot ladder on his/her
> shoulder can understand the problem here, except the rex body got up to
> double that length and had, quite literally, tons of momentum. 

you are basing your assumptions on the ratio of 20 feet ladder x 6 ft
height of human---try the ratio of 20 foot ladder and 15 foot tall
person.  Suddenly pivots do not look so odd.