Speed Vs Power

[Kung Fu Wang]

I'm only doing ushiro geris and tobi ushiro geris (my favourite kick anyway). There's no reason to do anything else! Even just design an entire martial art system based solely on those. Hey I've seen weirder!

You don't have to spin your body. You can do the

- side kick instead of turning back kick.
- hook kick instead of turning hook kick.

This way, you don't have to worry about your opponent from moving in when your body is spinning while standing on 1 leg.

 

[Fungus]

You don't have to spin your body. You can do the

- side kick instead of turning back kick.
- hook kick instead of turning hook kick.

This way, you don't have to worry about your opponent from moving in when your body is spinning while standing on 1 leg.

I have come into the habit to have a special technique focus for myself on each heavy bag session [when I am alone with the heavy bag - no instructor around] it's much better than spreading the time of doing just a little bit of everything. Last time I focused on improving the SPEED in my ushiro mawashi geri. I then practiced the hook kick separately first, and one conclusion is that at least for me the plain hook kick is WEAK. I'd say it's only use against a tought conditioned opponent is to the head, or as a distraction.

When I add the spin, I get significantly power power, and it definitly has potential against ribs or the buttock nerve kicks. My hunch is that MOST of the energy comes from the spin, only a small part is from the hook.

So far I have mainly practiced the wheel kick version, as it is gives slightly more energy, but is significantly slower. I notice that it is often spotted in sparring. I managed now to improv the more proper spinning hook by thinking that I twist the upperbody first, insted of thinking that I rev up by leg as a bat. I had trouble with that in the past, but now I am finally improving. I noticed that while I often trained the power wheel kick in the heavy bag, I spontaneously used the faster spinning hook in fighting every now and then and surprised both myself and the opponent (that are used to my slower wheels kicks), and i often got good hits with it. And I couldn't figure out why I had trouble with it on the bad, but that it comes without thinking in flow of kumite but during my last heavybag session I got a new insight., and now see the difference it was so englightning when I found the natural motion on the body that makes this happen by itself, instead of forcing it. And i look forward to testing this more in kumite.

 

[Fungus]

That's actually pretty freakin cool haha. That's it, from now on I'm only doing ushiro geris and tobi ushiro geris (my favourite kick anyway). There's no reason to do anything else! Even just design an entire martial art system based solely on those. Hey I've seen weirder!

I love tobi ushiro geri, but due to my back and beeing around 215 pounds and 50+ it is a high effort technique for me, also it would be very hard for me to make it with light in kumite. Just the rotation alone when you are heavy makes it high impact no matter what, so I see no "fast" but "light" version of this kick for friendly sparring. If it 's fast, it's unavoidably going to be pretty hard. I mostly exclusively do it on the heavy bag at times.

 

[HighKick]

Just for fun, I trie to ask chat-gpt to make something fun and rank the most common strikes and kicks, and rate then with peak force, total impulase, top speed and rib breaking potential, and got this table... it was fun so i thought I would post it, see if anyone has any objections to the ratings, based on your own experience or if you thinks the rating of chatgpt seems "reasonable"?
View attachment 32678

Ah, chat GPT. The problem is when you scrap data from inaccurate sources, you get these somewhat incorrect and very vanilla answers. I compare it to the average politicians answer to most things. There will be a hint of truth and a (usually Big) hint of lies in every answer.

I see this with clients who want to go to industry 4.0 (soon 5.0) where marketing data wildly skews the input. Which is bizarre when you think about how isolated singular manufacturing operations usually are.

 

[Fungus]

Ah, chat GPT. The problem is when you scrap data from inaccurate sources, you get these somewhat incorrect and very vanilla answers. I compare it to the average politicians answer to most things. There will be a hint of truth and a (usually Big) hint of lies in every answer.

Indeed, chatgpt is a great tool that can save time at times, but it sometimes produce nonsense. But I have been putting it to test in various fields lately. the conclusion is that using it blindly is dagenrous. And if you ask generic answers you get generic questions. If you add more premises to the questions, you get a little better answers. So its a nice tool for those that can make their own judgments of the suggetsion

 

[Badhabits]

Poor shot placement and likely the wrong type of bullet. But it can and does happen.

It was on a shooting forum, guy said the bullet passed through and hit the rock behind the goat and since that goat was pressed up against the rock......

 

[Wing Woo Gar]

It was on a shooting forum, guy said the bullet passed through and hit the rock behind the goat and since that goat was pressed up against the rock......

I wonder if the rock made the difference. Splash back? Not sure. Weird things do happen when you send little wads of various metals hurtling through the air at supersonic speeds. I have seen bullets unravel and fall apart from being shot through the wrong twist in the barrel. A custom 22-250 clocking around 4000 ft/second. The bullets were just disintegrating and tumbling. It was fixed by using a different barrel and solid copper projectile. Though the ballistic profile changed quite a lot as a result.

 

[PhotonGuy]

Never trust Wiki sites. ANYONE can edit them.

Lodge 9mm Ballistics

Alright then we'll go with your figure of 1,300 fps for the muzzle velocity of a 9mm bullet which just proves my point even more, especially since Im talking about a 9mm bullet fired from an Uzi which does not have a long barrel, particularly if its a mini Uzi and as its been mentioned on this thread barrel length is a factor, so a 9mm fired out of an Uzi would have a muzzle velocity like the one you mentioned of 1,300 fps.

The point is there's two types of speed, there's rate of fire speed and there's the speed that the bullets go at when they exit the muzzle and fly towards the target. The Uzi is going to have a much faster rate of fire than a .270 caliber bolt action rifle but the .270 caliber rifle is going to have a much faster muzzle velocity. The muzzle velocity of the .270 is going to be over 3,000 fps, much faster than the 1,300 fps muzzle velocity of the Uzi.

The same can be said when we're talking about throwing strikes in the martial arts, you can have speed where you throw many strikes in a relatively short amount of time or you can have speed where your hands and feet reach a higher maximum velocity than they would when you have the first kind of speed, even though you will be throwing less strikes in the same amount of time.

Just like the videos that Kung Fu Wang posted in post #4, the guy in the last video is throwing strikes where he gets off many strikes in a short period of time so he has the first kind of speed as opposed to the guy in the first video whereas the guy in the first video where he gets off far fewer strikes in the same period of time but his hands reach higher velocities so he has the second kind of speed.

 

[PhotonGuy]

This has a lot more to do with the bullet shape and construction than where you hit the deer.

True much of it does have to do with the kind of bullet you use, they make bullets that are designed to pierce armor which would most likely go right through the deer and beyond regardless of where you hit it and there's also bullets that are designed to expand upon impact which would be much more likely to not go through the deer and would therefore transfer much more of their force to the deer but Im not going to get too much into different bullet types as that's not relevant to the conversation.

Over penetration itself isn't relative to the conversation because your hands and feet are not going to over penetrate through an opponent the way a bullet might over penetrate through a deer. The whole point of making the analogy about bullets fired from guns and how they might compare to strikes is that there are some guns that have a really high rate of fire such as an Uzi full automatic but that bullets fired from such a gun might move slower than bullets fired from other guns such as a .270 bolt action rifle even though the .270 rifle has a much slower rate of fire than the Uzi, the same can be said about throwing strikes in the martial arts.