Running speeds

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Lemmosaurus

Cockermouth, UK

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#2
Apr 13, 2010
 
I heard Compy is 40mph, but the method they used would basica;lly put the smallest dinosaurs at over 70mph. So the study fails.
Im guessing Allo and T rex are the fastest large Theropods, with Ornithomids the fastest non avian dinosaurs.
Sauropods would likely plod along at their own steady pace, Ceratopsids i would think would be Elephant speed (whatever that is).
Cant find link though.
roachosaurus

Thetford, UK

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#3
Apr 13, 2010
 
i reckon unenlagia was fastest it is an ostrich like dinosaur with leg structures built to run fast
Zero percent wrong

Doha, Qatar

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#4
Apr 13, 2010
 
Ornithomimids, tyrannosaurs,troodontids and the peregrine are the fastest.
roachosaurus

Thetford, UK

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#5
Apr 13, 2010
 
peregrine is a bird

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Since: Mar 10

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#6
Apr 13, 2010
 
Birds have as much right to be called Dinosaurs as any other Dinosaur.
PaudieN1

Sweden

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#7
Apr 13, 2010
 
roachosaurus wrote:
peregrine is a bird
Birds are dinosaurs. Look guys, I do not think we can trust ANY running speed methods. The most recent ones put a Compy at 40mph. Whoever believes this is mentally unstable...

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#8
Apr 13, 2010
 
I would say the fastest Ornithomimids are likely of a similar speed to modern the modern Ostrich.

That study isnt as bad as a book that was being sold in my town. It claimed that by looking at their leg bones, Velociraptors could run 70-100mph. I hope the author is now in a mental hospital.
roachosaurus

Thetford, UK

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#9
Apr 13, 2010
 
more like 20 to 50 mph is realistic

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#10
Apr 13, 2010
 
Actually i would say 10-20mph. They werent built for speed at all.
roachosaurus

Thetford, UK

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#11
Apr 13, 2010
 
look at smilodon its an ambush predator that can attack at massive speeds so how is this different
PaudieN1

Sweden

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#12
Apr 13, 2010
 
roachosaurus wrote:
look at smilodon its an ambush predator that can attack at massive speeds so how is this different
Are you actually trying to compare Smilodon with a non-avian dinosaur?
roachosaurus

Thetford, UK

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#13
Apr 13, 2010
 
no but the chances are ,lke smilodon, velociraptors were ambush predators who could hit massive speed but only over short distances

Since: Oct 09

New Braunfels, TX

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#14
Apr 13, 2010
 
Ok so what do yall think of taking Raptors and comparing there speeds to Big Dinos like Rex or Allo. Would the raptors out run them in speed or would they be about the same Because Rex and Allo have larger steps and way longer legs than Raptors do. So How could we compare the speed there....
roachosaurus

Thetford, UK

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#15
Apr 13, 2010
 
on a different note the fastest marine reptile i think is either ithchiosaurus or peloneustes

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#16
Apr 13, 2010
 
Tyrannosaurids, like Ornithomimids, had a longer lower leg than upper. This helps speed and is a sign of t. The ration in Dromaeosaurids like Velociraptor is the opposite, longer upper than lower.
So if Velociraptor could run 30mph, rexy would probally top 40mph at least.

And comparing a bipedal cat to a bipedal Theropod is like comparing a Crocodile and a cat. All of them are ambush predators. All of them can walk. Are they all fast? No.

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#17
Apr 13, 2010
 
I meant Quadropedal Cat, not bipedal.
roachosaurus

Thetford, UK

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#18
Apr 13, 2010
 
i mean in the way they hunt. with sudden burst of speed over short distances

Since: Oct 09

New Braunfels, TX

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#19
Apr 14, 2010
 
So you are saying that the big theropods are faster than the Dromaeosaurs.
Torterra Rulez

Radcliff, KY

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#20
Apr 14, 2010
 
its funny these big giant brutes of the past arent nearly as fast as a little chettah

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Since: Aug 08

Australia

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#21
Apr 15, 2010
 
Spinodontosaurus wrote:
Tyrannosaurids, like Ornithomimids, had a longer lower leg than upper. This helps speed and is a sign of t. The ration in Dromaeosaurids like Velociraptor is the opposite, longer upper than lower.
So if Velociraptor could run 30mph, rexy would probally top 40mph at least.
And comparing a bipedal cat to a bipedal Theropod is like comparing a Crocodile and a cat. All of them are ambush predators. All of them can walk. Are they all fast? No.
About T. rex's bones, they are built more so for strength than for speed. If you compare them to an ornithomimid's, then you do see roughly the same tibia to femur length ratio. However, there is a marked difference between their thickness - tyrannosaurid leg bones, as with all other large theropods, are built for supporting weight as much as giving speed. The most recent study I've heard of states that T. rex ran 19 mph.

BTW, I joined Prehistopia as SkwosH coz thats my name, and i dont like it. Its just topix people.

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