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nightfury speed
Topic Started: 08 May 2014, 17:21 (7663 Views)
HTTYD PT 08 May 2014, 17:21 Post #41
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Gronckle

Nice work my friend B-)
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Zer0x 17 May 2014, 11:28 Post #42
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[b]Banhammerdragon
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I wanted to solve the formula to a time-dependent function to calculate the time he needs to reach this speed.

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I didn't even know if I integrated correctly. :ermm:


And now I stuck with this giant term. Sove it for t (time) is easy (if everything is correct), but I can't figure out wat I did wrong, because now v(t) is inaccessible. :-/
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No, I'm serious....stop it..
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HideousZippleback 17 May 2014, 12:50 Post #43
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[color=blue]I'm just here for Snotlout.
[/color]

Maybe in the three hundreds when diving with wings folded to his side like in the battle against the Red Death?

Though the sonic cone was lame as frick in the TV show's intro. He can't go 600 miles per hour just flat on flying like that. Grrr... The illogicality of that makes me want to punch something.
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Shemrocky 20 May 2014, 03:28 Post #44
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Viking-cat Trainer

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"Do dragons, really exist?... Yes: in every culture, in every chapter of history... and in every child's heart."
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HideousZippleback 20 May 2014, 12:35 Post #45
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[color=blue]I'm just here for Snotlout.
[/color]

Shemrocky
20 May 2014, 07:28
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See? The sonic cone is really a dumb idea if they aren't going to use it in the show if it's randomly in the intro. But still the physics of the sonic cone at that flight level and speed (which was NO where near 600 miles per hour) is really just impossible.
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Shnuckles 20 May 2014, 14:46 Post #46
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Zer0x
04 May 2014, 16:29
Here is a approxiamte calculation about Toothless' maximum speed in a free fall:

v=sqrt((2xmxg)/(pxAxC))

m - mass (I used 130kg for it, if his is higher he will be faster)
g - acceleration (9.81 m/s^2)
p - density of the medium (air at level 0: 1.2041 kg/m^3)
A - area of the falling axis (according from the size of a 3D model it is around 0.8 m^2)
C - drag coefficient (without his wings he have a nearly ideal streamline shape (0.02), I used 0.06, that's a bit lower than an airplane)

v=sqrt((2x130x9.81)/(1.2041x0.8x0.06))

v=210.07 m/s = 756,26 km/h = 470 mph


Maby no sonic speed, but still very very fast.
In a high of 1000m he is around 10% faster.
SCIENCE! *high fives twin sister (not that I have one)*
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Zer0x 20 May 2014, 15:12 Post #47
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[b]Banhammerdragon
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HideousZippleback
 
See? The sonic cone is really a dumb idea if they aren't going to use it in the show if it's randomly in the intro. But still the physics of the sonic cone at that flight level and speed (which was NO where near 600 miles per hour) is really just impossible.

Hiccup would explode on his back. :D

Shnuckles
 
SCIENCE! *high fives twin sister (not that I have one)*
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No, I'm serious....stop it..
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HTTYD PT 20 May 2014, 15:49 Post #48
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Gronckle

will the toothless with stand 12 g force??? ^o)
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AndyMay 20 May 2014, 15:54 Post #49
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[b]
[color=#d51c1c]The Lemon God
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HTTYD PT RIC
20 May 2014, 19:49
will the toothless with stand 12 g force??? ^o)
Easily. It would most likely cause a human to blackout if sustained for too long but Toothless would probably have adapted blood vessels that prevent blackouts happening until extreme G forces are reached.

Now if it were -12Gs then I have absolutely no idea. A human would die, but I don't know about toothless.
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ToothlessWorship 20 May 2014, 15:58 Post #50
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Gronckle

HTTYD PT RIC
20 May 2014, 19:49
will the toothless with stand 12 g force??? ^o)
12G in a big body... will need really resistant bones (the rule of square-cube in resistance-volume that makes big things less resistant)
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