Compsognathus was the fastest?

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“'SPOT' The Diplodocus”

Since: Feb 12

Cheshire UK

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#1
May 3, 2012
 
New computer simulations:

1) Compsognathus @ 6.6 pounds, 3 kilograms = 39.8 mph
2) Velociraptor @44 pounds, 20 kg = 24.2 mph
3) Dilophosaurus @ 948 pounds, 430 kg = 23.5 mph
4) Allosaurus @ 3.087 pounds, 1,400 kg = 21 mph
5) Tyrannosaurus @ 13.230 pounds, 6,000 kg = 17.9 mph

And just to compare:
Ostrich @ 144 pounds, 65.3 kg = 34.5 mph
Emu @ 60 pounds, 27.2 kg = 29.8 mph

And...
Human @ 157 pounds, 71 kg = 17.7 mph

So, in a short sprint even the mighty T.Rex wins a human!

“Australia's #1 Paleontologist”

Since: Apr 12

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#2
May 3, 2012
 
Compsognathus the fastest? Wasn't it Struthiomimus and the other ornithomimids?

“'SPOT' The Diplodocus”

Since: Feb 12

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#3
May 3, 2012
 
Paleoworld-101 wrote:
Compsognathus the fastest? Wasn't it Struthiomimus and the other ornithomimids?
I missed it.
Struthiomimus @ 330 pounds, 150kg = 32.5 mph.

“the great killer ”

Since: Feb 12

kolkata, India

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#4
May 3, 2012
 
Paleoworld-101 wrote:
Compsognathus the fastest? Wasn't it Struthiomimus and the other ornithomimids?
ornithomimids were the fastest dinosaurs that ever lived

“Australia's #1 Paleontologist”

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#5
May 3, 2012
 
Tyranna2 wrote:
<quoted text>
I missed it.
Struthiomimus @ 330 pounds, 150kg = 32.5 mph.
That was your 500th post!

So your still saying Compsognathus is faster than Struthiomimus?

“Australia's #1 Paleontologist”

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#6
May 3, 2012
 
Omega T-Rex wrote:
<quoted text>ornithomimids were the fastest dinosaurs that ever lived
Exactly.

“'SPOT' The Diplodocus”

Since: Feb 12

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#7
May 3, 2012
 
Paleoworld-101 wrote:
<quoted text>
That was your 500th post!
So your still saying Compsognathus is faster than Struthiomimus?
500 as Tyranna, I was Isaacasaurus...

The fastest Ornithomimid was the Dromiceiomimus. It's speed is debatable. IMO Compsognathus was faster.

“DoubleTheClaw, DoubleThePain”

Since: Aug 11

Ho Chi Minh City, Vietnam

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#8
May 3, 2012
 
How could COmsognathus reach that speed?And why would it need such velocity?

“Australia's #1 Paleontologist”

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#9
May 3, 2012
 
Balaur wrote:
How could COmsognathus reach that speed?And why would it need such velocity?
Maybe only over short distances, perhaps to chase down small Jurassic prey and escape larger predators.

“'SPOT' The Diplodocus”

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#10
May 3, 2012
 
Balaur wrote:
How could COmsognathus reach that speed?And why would it need such velocity?
Two good questions.
I suppose the former is to do with all the anatomy details of a Compsognathus that was fed into the Hector super computer for simulation.
And I suppose the latter would have something to do with what it hunted or ran away from?

As with all animals their max speed is rairly attained. For instants a cheaters 60 mph max speed is so it can run fast at lower speeds more comfortable and longer periods.
No animal can sustain it's max speed.
Crazy Fish

Leicester, UK

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#11
May 3, 2012
 
new in relative terms... tis about 3 years old now.

I dont doubt that compy was quick, but i question the extent that this study showed it to be...

pretty sure the individual used was actually a juvenile too which, as in Tyrannosaurus, would scew the results by quite a great deal.
Zero Percent Wrong

Doha, Qatar

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#12
May 3, 2012
 
Tyranna2 wrote:
New computer simulations:
1) Compsognathus @ 6.6 pounds, 3 kilograms = 39.8 mph
2) Velociraptor @44 pounds, 20 kg = 24.2 mph
3) Dilophosaurus @ 948 pounds, 430 kg = 23.5 mph
4) Allosaurus @ 3.087 pounds, 1,400 kg = 21 mph
5) Tyrannosaurus @ 13.230 pounds, 6,000 kg = 17.9 mph
And just to compare:
Ostrich @ 144 pounds, 65.3 kg = 34.5 mph
Emu @ 60 pounds, 27.2 kg = 29.8 mph
And...
Human @ 157 pounds, 71 kg = 17.7 mph
So, in a short sprint even the mighty T.Rex wins a human!
Ugh.. Allo faster than Tyranno by 4 mph? I seriously doubt that.
Link please.
Crazy Fish

Leicester, UK

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#13
May 3, 2012
 
Sellers and Manning (2007). Estimating dinosaur maximum running speeds using evolutionary robotics.

http://rspb.royalsocietypublishing.org/conten...
Edaphosaurus

Saint Albans, UK

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#14
May 3, 2012
 
Zero Percent Wrong wrote:
<quoted text>Ugh.. Allo faster than Tyranno by 4 mph? I seriously doubt that.
Link please.
I don't. It was a lot lighter than T-rex.

“DoubleTheClaw, DoubleThePain”

Since: Aug 11

Ho Chi Minh City, Vietnam

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#15
May 3, 2012
 
Zero Percent Wrong wrote:
<quoted text>Ugh.. Allo faster than Tyranno by 4 mph? I seriously doubt that.
Link please.
Agreed,Allosaurus's legs were short relative to it's body size,T.rex however have one of the longest legs to body size ever and that gives it a huge stride length.I remember a study about some part in the tail that boost it's speed even further.
Islamic Hitler

Cockermouth, UK

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#16
May 4, 2012
 
this study is quite OLD, older than the cursorial muscles in the tail of tyrannosaurus.

LOOK AT THE FIGURES. A 1.4t allosaurus vs a 6t tyrannosaurus. the difference in speed is to be expected.
Zero Percent Wrong

Doha, Qatar

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#17
May 4, 2012
 
Islamic Hitler wrote:
this study is quite OLD, older than the cursorial muscles in the tail of tyrannosaurus.
LOOK AT THE FIGURES. A 1.4t allosaurus vs a 6t tyrannosaurus. the difference in speed is to be expected.
There's no need to give the weights of a Cockroach and a Cheetah.

Overall, a Cheetah is faster in speed, but for its size, the Cockroach moves faster.
logic

Cockermouth, UK

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#18
May 4, 2012
 
and? the estimate was on a 1.4t allosaurus. tyrannosaurus was faster for its size, but slower overall due to its size.
Square-Cube Law.

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