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RE: Tyrannosaurus was not a fat boy or girl



What happened to the evidence for a ~12-tonne T. rex discussed on page 345 of 
Predatory Dinosaurs of the World? 

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> Date: Sat, 22 Oct 2011 18:25:32 -0400
> From: GSP1954@aol.com
> To: dinosaur@usc.edu
> Subject: Tyrannosaurus was not a fat boy or girl
>
> I've placed a comment with the Hutchinson et al. PLoS One paper on
> Tyrannosaurus masses.
>
> Enjoy.
>
> It is becoming apparent that the uncertainties is restoring the power
> dynamics of extinct animals are so extensive that it is not possible to 
> calculate
> whether or not adult Tyrannosaurus were slower or as fast than the
> obviously fast juveniles. If someone eventually comes up with power 
> calculations
> estimating that an adult Tyrannosaurus could run 30-35 mph I will be happy but
> not sure how it is more reliable than those estimating only 20-25 mph. We
> are going to have to wait until time machines are available. I shall get to
> work on that.
>
> Also do not quite get the plot in Fig 6 in the Hutchinson et al. paper. It
> seems to show 10 yr old Tyrannosaurus not weighing anything. Odd.
>
> GSPaul</HTML>