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Calculation #5 - Speed of Chu's punches (Yu Yu Hakusho)

Posted 06-23-2011 at 01:23 AM by Cableguy15
Updated 12-18-2011 at 02:21 AM by Cableguy15
Please note that I have discredited this type of calculation myself, but am keeping it around as a reminder. It's also useful for giving us Chu's height.

I know what you're thinking, "Woohoo! Another calculation blog. And Wahoo! It's about Yu Yu Hakusho again!" And if you're thinking that, I guess you want me to just shut up and do the calculation. Fine, be that way. (I'm really tired by the way)

This is a very simple feat that requires just one scan:

http://www.mangareader.net/272-19052...hapter-58.html

At first glance, this doesn't seem like much of anything. Chu punches Yusuke 5 times as Hiei noted, something we see in shounen (Dragonball, maybe worth looking into?) and maybe that doesn't seem like anything special... to the untrained eye.

But, if you think about it, Chu sent Yusuke flying, and still manages to get 4 more punches in on Yusuke before he can be sent flying any further. We can see that the distance Yusuke travels after taking all 5 punches is initially negligible, and that's what may in fact make this feat impressive.

So then, how can we calculate it? We use the Ryoma Method... which is basically just taking Kamen Ryder Ryoma's idea from when he calculated Seiryu's punching speed nealry two years ago. Wow, it doesn't even feel like it was that long ago.

First off though, we need to figure out how fast Yusuke is moving. To do this, I must:

1. Figure out how tall Chu is.
2. Use the angular size calculator to figure out how far Chu knocked Yusuke.
3. Use the projectile motion simulator to get the final speed for Yusuke.

So what seemed like a simple calculation is turning out to be a bit of a work load. Let's get started anyway:

Spoiler:


We've got Chu at 257 pixels compared to Yusuke's 187.3. Yusuke gets a minimum height of 1.70 m as usual. I included Chu's mohawk because it's a special part of him damn it.

257 / 187.3 = 1.372 * 1.70 = 2.332 m, making Chu almost as tall as Toguro to my surprise.

Now to scale the scan where the actual feat occurs so we can use angular size. We can also use the scan to get a distance between the initial hit and after Chu is done hitting Yusuke here.

Spoiler:


First, let's get the distance between the initial contact of the punch and where Chu landed his 5th and final punch. Yusuke's head is 104.6 pixels compared to the distance between what looks to be the initial blow and Yusuke's chest is at 63 pixels. We'll give Yusuke an average male head size of .23 m here.

104.6 / 63 = 1.66. .23 / 1.66 = .139 m, the distance Yusuke traveled between Chu's first punch and his final punch.

Next, we use the lower scalings and plug them into the angular size calculator. One thing to note is that the view is a little funny. Normally, the horizontal visual field is supposed to be wider than the vertical, but that's not the case in this scan. So to be safe, I used vertical and scaled as much of the panel as possible in the interest of low-end. The panel measures at 607 compared to Chu's 94.5.

The vertical visual field is 135 degrees.

607 / 135 = 4.496 pixels / degree

94.5 / 4.496 = 21.019 degrees, the size of Chu in the background.

Now I just need to plug this into the angular size calculator along with Chu's actual height of 2.332 m and set the calculator to find distance, and...

6.285 m is the distance Yusuke traveled.

From here, we use the projectile motion simulator. Chu literally knocks Yusuke at a flat angle, so the best option here is to set the angle to 1 degree. Also, we need to set the object to "Human", and then just match up the distance as close as possible.

I get 12 m/s as an initial speed when the person is sent 6.2 m away, which is about as close as it's going to get on this simulation, so we have nearly all the numbers we need.

Again, we revisit Kamen Rider Ryoma's calculation where we see that the world record is 12 punches per second. However, since Chu used only one arm here whereas the world record used two arms, we need to cut this in half, so 6 punches per second is the comparison we'll be using. 19.6 m/s is the actual punching speed of the record holder.

So then, we need a time frame for Chu's punches. Yusuke traveled .139 m at a speed of 12 m/s by the time Chu got off 4 punches on him (The initial punch does not count here).

.139 / 12 = .0116 s

That comes out to 344.828 punches per second

World record: 19.6 m/s / 6 punches = 3.267

344.828 * 3.267 = 1126.553 m/s, Chu's casual punching speed.

A few things to point out:
- This is low-end due to the panel being oddly shaped that I measured for angular size.
- Yusuke only traveled the 6+ meters by the time Chu ran over and knocked him down. He was actually going further than that, making this even more low-end.
- It goes without saying that Chu was doing this casually.
Posted in Calculations
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Total Comments 18

Comments

Old
That's an amazing calc bro...now that you mention it, I'm going to go into Dragonball and calc something there using this method
Posted 06-23-2011 at 09:55 AM by Toriko Toriko is offline
Old
Thanks, and yeah, you should check that out. Similar feats happened in the 22nd Budokai as I recall.
Posted 06-23-2011 at 12:46 PM by Cableguy15 Cableguy15 is offline
Old
Ok, thanks for the heads up.
Posted 06-23-2011 at 03:12 PM by Toriko Toriko is offline
Old
http://www.mangareader.net/105-2763-...apter-114.html

you wouldn't be talking about this would you?
Posted 06-23-2011 at 03:30 PM by Toriko Toriko is offline
Old
That one wouldn't work too well because he didn't get sent flying.

There's the one with Pamput, but there's the same problem there too.

This is the one I was thinking of:

http://www.mangareader.net/105-2776-...apter-127.html
http://www.mangareader.net/105-2776-...apter-127.html
http://www.mangareader.net/105-2776-...apter-127.html

Might not be worth doing though. With a calculation already putting them at mach 14+, I doubt that one would live up to it.
Posted 06-23-2011 at 04:20 PM by Cableguy15 Cableguy15 is offline
Old
oh ok thanks
Posted 06-23-2011 at 04:26 PM by Toriko Toriko is offline
Old
Distance=(Objectmeters * (Panel/Objectpixel))*(43/24)
607 px
94.5 px=2.332
Distance=(2.332 * (607/94.5))*(43/24)

26.83m distance chu traveld
reasonable?
Posted 02-29-2012 at 06:26 PM by mcdave mcdave is offline
Old
Too large.

The ring isn't any larger than 20-25 meters in most panels.

They were in the center of the ring as it is and Chu hadn't sent Yusuke out of the ring yet anyway.
Posted 02-29-2012 at 06:28 PM by ChaosTheory123 ChaosTheory123 is offline
Old
3-4m plates

Diameter 15 plates
45m-60m
Radius 22.5-30m
Basketballnet = 3.05m
Basketballplace =30m

Looks somewhat similar to me

He was knocked to the ground by chu
The fighting place didnt change after that and they stopped 1.2 Plates to ringout 3.6-4.8m

r=22.5-30m
Flying distance =r-3.6
18,9m-26,4m

Sounds about right doesnt it?
Posted 02-29-2012 at 08:42 PM by mcdave mcdave is offline
Updated 02-29-2012 at 08:55 PM by mcdave
Old
Quote:
3-4m plates
What? Not a chance. Kuwabara's actually referred to as 1.8 meters tall during that fight (Which I just noticed this past time reading through it)... though that's likely the announcer just making a guess.

Barring feats that don't ever take up the whole ring, it shouldn't be scaled from seperate plates anyway (They change from panel to panel).

Quote:
Looks somewhat similar to me
That'd be another scan fitting into the 20-25 meter range dude.
Posted 02-29-2012 at 08:46 PM by ChaosTheory123 ChaosTheory123 is offline
Old
Armspan=bodyheight the plates are in every non lazy panel 3-4m

The fighting point after the punch was 1.2 Plates to ringout what only further confirms the calc.
The 15 Plates diameter is perfect to scale it.
I see no way that the flying distance was 6 m or 1.5-2 Plates-,-
Posted 02-29-2012 at 09:01 PM by mcdave mcdave is offline
Old
His arms aren't even extended past his head and his legs are bent

The plates aren't even 2 meters in size on that panel. They flucuate in all panels they appear in and should only be scaled for panels where they are relevant to a particular 1 panel feat.

You see no way? Thing is, you happen to be wrong in this case. Your size is impossible given the most consistent sizes for the ring. That being 20-25 meters

I've scaled them all, I should know.
Posted 02-29-2012 at 09:06 PM by ChaosTheory123 ChaosTheory123 is offline
Old
You accept the 15 plates diameter?
Posted 02-29-2012 at 09:12 PM by mcdave mcdave is offline
Old
What?

No, I already told you. Plate number and size vary from panel to panel. The ring should only be scaled off of a scan with it in full view.

Seperate plates can be used to scale specific feats requiring it for that panel.

Your distance doesn't fit well with the typical size of the ring we see throughout the DT.
Posted 02-29-2012 at 09:15 PM by ChaosTheory123 ChaosTheory123 is offline
Old
Not even all that relevant regardless. This calc and method isn't used for speed anymore.
Posted 02-29-2012 at 09:16 PM by ChaosTheory123 ChaosTheory123 is offline
Old
It does matter of course and 6m is lol because its the perfect example and you are disregarding a straightforward top down perspective come on thats not your style. Its the best Panel to get the Plate number and the probably the most accurate one.
Thought it could be higher:
17+Plates Diameter
And i know perfectly why you neglect it because it would be enough to stomp the 6m.
Since 7.5 vs 3 travelled plates would kill the low calc alone. The original calc would be of by 6m with that. Errorquota would be 100%.

Actually nearly all straigforward panels indicates the big plate size.

-1--2--3--4--5--6--7-

If you insist on the 6m distance you have no sense of scale at all or you are just pretending. Look at the basketball image
free throw distance is 4.6m and the size difference is not nearly chus 1:3.8
Posted 02-29-2012 at 09:52 PM by mcdave mcdave is offline
Old
Quote:
It does matter of course and 6m is lol because its the perfect example and you are disregarding a straightforward top down perspective come on thats not your style.
I'm not sayin 6 meters is right. I'm saying your number is wrong. Especially given this is a fucking panl Chinaman has already called out as unusable for any sort of depth scaling.

Quote:
And i know perfectly why you neglect it because it would be enough to stomp the 6m.
Don't be an obnoxious little cunt now.

I'm telling you, scaling the fucking ring from the plates leads to unwarranted inflation of the ring size.

Quote:
Since 7.5 vs 3 travelled plates would kill the low calc alone. The original calc would be of by 6m with that.
The fuck are you even talking about? I really don't get what you're going for.

Quote:
Actually nearly all straigforward panels indicates the big plate size.
Why am I arguing over a calc that isn't even fucking valid any more?

http://www.mangareader.net/272-19050...hapter-56.html (This would be about 1.6 meters)

http://www.mangareader.net/272-19052...hapter-58.html (Probably 1.5-2 meters)

http://www.mangareader.net/272-19053...hapter-59.html (1.2-1.5 meters just eyeballing off of Yusuke)

And so on and so forth. I know there are panels were the plates can even exceed 3 meters. I've already said scaling from the fucking plates is incredibly inconsistent with most scans of the ring.

Drop it. Its not relevant. This calc isn't even valid.
Posted 02-29-2012 at 10:01 PM by ChaosTheory123 ChaosTheory123 is offline
Old
Seriously, a 50-60 meter across DT ring would be awesome.

Its just scaling it from the plates isn't the correct way to go about it.

They change size and number from panel to panel.
Posted 02-29-2012 at 10:11 PM by ChaosTheory123 ChaosTheory123 is offline
 
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