Shop Mobile More Submit  Join Login
About Deviant Kirk Haines16/Male/Canada Recent Activity
Deviant for 2 Years
Needs Core Membership
Statistics 3 Deviations 1,419 Comments 2,945 Pageviews
×

Newest Deviations

Mucpv 95 vs FMNH PR2081 'Sue' by kirkseven Mucpv 95 vs FMNH PR2081 'Sue' :iconkirkseven:kirkseven 8 17 UCMP 118742  v.s 'Sue' by kirkseven UCMP 118742 v.s 'Sue' :iconkirkseven:kirkseven 3 14 Spinosaurus attempt by kirkseven Spinosaurus attempt :iconkirkseven:kirkseven 0 4

Favourites

#400: Alamosaurus - The Great Feast by Dontknowwhattodraw94 #400: Alamosaurus - The Great Feast :icondontknowwhattodraw94:Dontknowwhattodraw94 277 126 Carcharodontosaurus saharicus skeletal diagrams. by Franoys Carcharodontosaurus saharicus skeletal diagrams. :iconfranoys:Franoys 69 41 Tyrannosaurus rex skeletal diagram (FMNH PR 2081) by Franoys Tyrannosaurus rex skeletal diagram (FMNH PR 2081) :iconfranoys:Franoys 70 27 Giganotosaurus carolinii skeletal diagram. by Franoys Giganotosaurus carolinii skeletal diagram. :iconfranoys:Franoys 70 67 Mapusaurus roseae skeletal diagram. by Franoys Mapusaurus roseae skeletal diagram. :iconfranoys:Franoys 73 46 How feathered was T. rex? by Veterufreak How feathered was T. rex? :iconveterufreak:Veterufreak 85 73
Journal
A mathematical analysis on Giganotosaurus mass.
First of all, the results:


Conclussions , methodology, and anatomical references: 
For those who don't know which method was used, I recommend reading the previous journal entry, about a mathematical anaylsis on Spinosaurus mass , another legendary carnivorous dinosaur; and this excelent post by SVPOW. https://svpow.com/2011/01/20/tutorial-11-graphic-double-integration-or-weighing-dinosaurs-on-the-cheap/
Overall the method intends to construct a simplified 3D model of the animal by building eliptical cross sections and adding them up, given two views of each of it's body sections. The analysis is performed by a matlab mathematical script with pixel accuracy.
The skeletal used is my own bet on the animal. Sadly, and despite more than 22 years having passed since the animal was first (and very briefly) described, most of it's material is not described in detail, specially the axia
:iconFranoys:Franoys
:iconfranoys:Franoys 15 14
Journal
Tyrannosaurus rex size.
Introduction:
As Chritopher Brochu once noted in his osteological study on Tyrannosaurus: "Nothing evokes prehistory more than Tyrannosaurus rex. Nearly any five-year-old in the industrialized world knows what it is, and to many, Tyrannosaurus is the quintessential predatory dinosaur-as Paul (1988:344) stated, "this is the theropod." It is the only nonavian dinosaur (and one of the few organisms) popularly known by the specific rather than generic name-"T. rex" is as common in the popular media as "Tyrannosaurus."
As well as:

“Tyrannosaurids are no more relevant to phylogenetics or comparative biology than any other group of organisms, but they are extremely popular. When we do science with Tyrannosaurus, we do it with a broader audience than if it were done with almost any other animal.”

Along with the biggest fame, come the greatest hyperboles, and the highest numbers of fanatics, as well as the most intense of them. However so do the most har
:iconFranoys:Franoys
:iconfranoys:Franoys 27 85
Journal
A mathematical analysis on Tyrannotitan mass.
The results first:


Here you have the previous calculations made with the method used; graphical double integration, a type of vollumetric estimation.


The method consists in constructing a simplified 3D model of the animal mathematically, by building eliptical cross sections and adding them up, given two views of each of it's body sections. The analysis is performed by a matlab mathematical script with pixel accuracy. More information about the method itselft here:
https://svpow.com/2011/01/20/tutorial-11-graphic-double-integration-or-weighing-dinosaurs-on-the-cheap/
Some discussing about Tyrannotitan size and overall proportions:

The skeletal used was made by me from scratch, using mainly the information (figures, measurements, and descriptions) in Novas (2005) and Canale , Novas (2014); using Sereno 1996, Coria 1995, and Currie and Carpenter 2000 to fil
:iconFranoys:Franoys
:iconfranoys:Franoys 15 1
Journal
A mathematical analysis on Spinosaurus mass.
Description of the method:
Graphical double integration performed by Matblab program.
We calculated the mass of the North african theropod dinosaur Spinosaurus aegyptiacus, using a graphical double integration method. We believe GDI is in itself, and without a doubt, one of the best methods to calculatte the mass of extint organisms, and the best that can be used using a multi views silhouette from the animal. The method averages a big amount of eliptical sections to aproximate the volume of a complex 3D object. The more eliptical sections, the more accurate the result will be, when a number of slices made is surpassed the result will be almost real life-like.
This matlab program utilizes digital image processing technology to analize two silhouettes from different views. It counts the number of non white pixels in every pixel-wide column from the image, and produces one slice per pixel. In response, the program is extremely sensitive to irregularities in the silho
:iconFranoys:Franoys
:iconfranoys:Franoys 15 20
Journal
Mathematical analysis on Carcharodontosaurus mass
As always, the results first:


Here you have the previous calculations made with the method used; graphical double integration, a type of vollumetric estimation:
A mathematical analysis on Tyrannotitan mass.
A mathematical analysis on Giganotosaurus mass.
A mathematical analysis on Spinosaurus mass.
The method consists in constructing a simplified 3D model of the animal mathematically, by building eliptical cross sections and adding them up, given two views of each of it's body sections. The analysis is performed by a matlab mathematical script with pixel accuracy. More information about the method
:iconFranoys:Franoys
:iconfranoys:Franoys 13 12
Large Theropods of the Jurassic by Veterufreak Large Theropods of the Jurassic :iconveterufreak:Veterufreak 21 23 Grand Pharoh lizard returns by Paleop Grand Pharoh lizard returns :iconpaleop:Paleop 96 82 Spinosaurus B by Raph04art Spinosaurus B :iconraph04art:Raph04art 390 18 Beachcombers by Sketchy-raptor Beachcombers :iconsketchy-raptor:Sketchy-raptor 257 43 Steps in the Mist by tuomaskoivurinne Steps in the Mist :icontuomaskoivurinne:tuomaskoivurinne 174 30

Groups

Activity


Mucpv 95 vs FMNH PR2081 'Sue'
a completeness comparison between Mucpv 95 and 'Sue' 

not much more to say really.

T.rex Skeletal by scotthartman.deviantart.com/
Loading...
UCMP 118742 v.s 'Sue'
a size comparison between UCMP 118742 and 'Sue'

CM 9380 has a 69.5 cm maxilla compared to the 81 cm maxilla of UCMP 118742 it would be approximately 13.85 meters long and 11.9 tonnes if it had the same proportions as CM 9380. 

UCMP 118742`s size here is derived from CM 9380, this is not factual only a possibility.

Skeletal`s are made by franoys.deviantart.com/

(This is why scaling is unreliable)

update 5/26/2017 down sized UCMP 118742 from 14.9 meters and 15.18 tonnes to a much more reasonable 13.85 meters long and 11.9 tonnes. (its only 16 years old after all)
Loading...

Journal

No journal entries yet.

Comments


Add a Comment:
 
:iconpaleosir:
paleosir Featured By Owner Jan 22, 2017  Hobbyist Traditional Artist
Doesn't matter
Reply
:iconkirkseven:
kirkseven Featured By Owner Jan 22, 2017
no problem!
Reply
:iconspinoinwonderland:
I'm blocked on :icondabrandonsphere:'s profile and deviations. I really don't know why.

I think Tyrannosaurus and Acrocanthosaurus are within the same general size ballpark, and would roughly 50/50 at size parity.
Reply
:iconkirkseven:
kirkseven Featured By Owner Jan 13, 2017
im not sure they're normally in the same ball park though.

Fran (biggest specimen)            ~ 6.2 tonnes 

Sue (biggest specimen)             ~8.4 tonnes

AMNH 5027 (typical specimen)  ~6.9 tonnes
Reply
:iconspinoinwonderland:
SpinoInWonderland Featured By Owner Jan 13, 2017
The ballpark I refer to is about ~4-8 tonnes.
Reply
:iconveterufreak:
Veterufreak Featured By Owner Jan 13, 2017  Hobbyist Digital Artist
That's a pretty vague ballpark xD I suppose Velociraptor is in the same ballpark as Allosaurus then, within 0-4 tonnes.
Well, I would put Acrocanthosaurus at 6,500 kilograms maximum (that's using a thick hump) while Sue is easily 8,400 kilograms, and most adult T. rex are 7,000+ kilograms. The only "adult" T. rex the size of Fran is Wankel, which is a T. rex that seems to not actually be a skeletally mature adult. It is definitely sexually mature but it definitely had a bit of growing to go, probably mostly in general robustness rather than length. Probably a bit of length as well though. I would not classify Acrocanthosaurus on the same level of size as Tyrannosaurus, or Spinosaurus or Giganotosaurus for that matter. However Acrocanthosaurus can get relatively close to Giga, so maybe they're in the same general size range (saying ballpark got old).
Reply
(1 Reply)
:iconkirkseven:
kirkseven Featured By Owner Jan 13, 2017
oh ok :)

would you agree with the idea of Acrocanthosaurus being somewhat smaller than Tyrannosaurus and Giganotosaurus ?
Reply
(1 Reply)
:iconrandomdinos:
randomdinos Featured By Owner Dec 11, 2016  Hobbyist Traditional Artist
do you still have your estimates for large fragmentary Tyrannosaurus specimens? it may be important

I remember seeing a comment of yours of what they were based upon and their sizes, but I lost it.
Reply
:iconkirkseven:
kirkseven Featured By Owner Edited Dec 11, 2016
sure.

MOR 008 would be 11.97-12.22 meters long based off of AMNH 5027 and 7.23-7.7 tonnes (assuming AMNH 5027 was 6.93 tonnes)

UCMP 118742 would be 11.79 meters long based off of Stan and would weigh about 7.82 tonnes assuming Stan was 6.85 tonnes

"Dynamosaurus" should be 12.32 meters long and 8.4 tonnes seeing as its bones match the size of Sue`s

LACM 23844 would be ~12 meters long and 8.19 tonnes  scaling up Stans 131 cm Skull to 139 cm.

BHI 4182 is close in size to LACM 23844, scaling from it would yield a size of 11.84 meters long and a weight of 7.92 tonnes

CM 1400 would be 11.1 meters long and ~6.5 tonnes based off of Stan, but thats assuming it had a large Skull,

based off of AMNH 5027 it would be 12.63 meters long and 8.5 tonnes.


a breif Summery :

MOR 008              12.1  meters long-------7.5 tonnes

UCMP 118742      11.8 meters long--------7.8 tonnes

"Dynamosaurus"  12.3 meters long--------8.4 tonnes

LACM 23844        12.0 meters long--------8.2 tonnes

BHI 4182             11.8 meters long-------7.9 tonnes

CM 1400              12.6 meters long-------8.5 tonnes  (see text)                





not sure if these were the specimens you wanted numbers for but these are the only ones i could find/think of at the moment let me know if you whanted to see numbers for a diffront fragmantary specimen i forgot about.

Sources : getawaytrike.deviantart.com/ar…
               theropoddatabase.com/Tyrannosa…
               brolyeuphyfusion9500.deviantar…
Reply
:iconrandomdinos:
randomdinos Featured By Owner Dec 12, 2016  Hobbyist Traditional Artist
thank you!

yeah that's everything i wanted to know pretty much, even more actually. I didn't even know CM 1400 or BHI 4182.
Reply
Add a Comment: