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Physics of V-Stretches

The A-stretch is simply a V-stretch modification (of which there are many), so anything that applies to V-stretches applies to A-stretches too.

How much friction is there between your penis skin and the inner penis and how do you propose to use it to effect the stretch?

mcnitro,

I got your pdf but none of the math shows in gpdf.


Thunder's Place: increasing penis size one dick at a time.

The effect is in the actual pull you feel while performing the stretch. There is no better indicator of how much force is being applied, then the pull you feel at the base of your cock.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Only problem with this stuff is it’s all based on theory. Let me illustrate through an experience I had in my physics class last year. We used formulas, laws, mechanics, and all sorts of crazy theory (of course with the help of some computers) and calculated the path a rocket would take. We took into account potential deviation we could expect due to other external factors. WELL, we then actually tried it… the rocket didn’t even come CLOSE the the path that we calculated, over 2 standard deviations away from our predictions.

Some things you have to just put into practice and see how it goes. There’s a lot of theory behind NPE, as it’s mostly underground stuff, and has few scientific testings to base off of. Although I must say, all this theory stuff is pretty interesting :O) … good stuff to chew on.

Quote
Originally posted by memento
Nedd,

Yes I've heard you say multiple times that there cannot be a tension gradient. I think you have to think a little beyond the confines of massless cords with no effective diameter.

I think you should give more respect to someone who is obviously far more knowledgable and skilled in this subject than you.

Diameter doesn’t change the fact that there cannot be any tension gradient. Cords with mass do generally have tension gradients due to their mass, but a) the effects of this gradient on PE is negligible, b) the gradient is caused entirely by weight and geometry, and not fulcrum forces, and c) a gradient cannot exist without a third force (weight in this case) in each section of the penis; once you assume zero mass, there is no third force, hence no gradient.

I explained this in the very first friggin post in this thread. The net force acting on a tiny section of cord must be zero. Because the cord has no mass, the only forces acting on it are the two equal and opposite tension forces. There are no other forces. Because these forces are equal, when you step along the penis piece by piece the tension must remain identical to each piece before it. In other words, there cannot be a tension gradient.

Quote
Originally posted by memento
I freely admit that I don't understand exactly what is going on, fortunately I'm in a position where I know my understanding is limited rather than assuming I understand everything. I find this is a suitable place to start any discussion.

The problem is, I know exactly how much I understand, and how much I don’t. I understand what I understand perfectly. You on the other hand don’t understand shit, but still somehow think you can engage in an argument with me.

Quote
Originally posted by memento
If you would like to explain why tension gradients don't exist from your perspective, please feel free.

I’ve explained it enough times. If you don’t understand, reread the thread. I’ve had enough of your, “I know better than he does even though earlier in the thread he had to teach me what tension even was,” attitude to be bothered repeating the same thing over and over again anymore.

Quote
Originally posted by gprent101
With an A-stretch, you can achieve a greater load, because your cock is wrapped over your wrist and the resulting friction allows you to exert a greater force, being, the friction load from your wrist plus the 10 pound pull from your hand.

I don’t think so. The skin would cling to your wrist but rub over the internal penis, maybe doing nothing, maybe just stretching the skin.

Now, the changed shape and bend of the penis may cause the stretch to emphasize different areas in different ways, but do not be confused into thinking the force in the penis is magnified by adding a fulcrum. Assuming a stationary penis, the tension it supports is always equal to the force with which you pull it.

Yes, I agree, bye.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Nedd, sorry,

To avoid any confusion, the above was a quote from Nedd, that I said I agreed with. My skills at navigating this site have obviously not been perfected.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

memento,

I don’t know why you can’t see the math. :( Sorry for that. I’m using the Adope Acrobat Reader for .pdf files.

mcn


More meat - More fun! :D ***April 2006 - 9.5" BPFSL***August 2008 - 9.65" BPFSL, 9.35" BPEL***

Quote
Originally posted by Nedd
I think you should give more respect to someone who is obviously far more knowledgable and skilled in this subject than you. […] You on the other hand don't understand shit, but still somehow think you can engage in an argument with me.

Nedd,

maybe you should give a little more respect to a technical moderator!?
Just an idea.

mcn


More meat - More fun! :D ***April 2006 - 9.5" BPFSL***August 2008 - 9.65" BPFSL, 9.35" BPEL***

I don’t care what he is. His attitude was disrespectful, so I reply in kind.

Nedd,

All I’m interested in is the forces and the effects of the forces on the penis. If you feel you have something to add to that please do but it seems you can’t raise your discussion beyond the level of abuse.

Mcnitro,

Yeah your pdf displays properly in acrobat, maybe its a font issue. This analysis seems fine to me and it mirrors what Nedd was saying early on. It tells us as much as taking two 2d cables with a plate top and bottom and force exterted on the plates, pure Newtonian physics.

Your maths seems pretty good, do you see an advantage in moving this to a tensor analysis? There are many problems involved: taking any cross section of a penis the tension is bourne mostly by the tunicae or elements of it; once you hit the fulcrum point you end up with some serious deformation, which is going to effect the part of the penis that bear the tension some way beyond the fulcrum point and produce a serious tension gradient on its own; so far the model doesn’t take into account the elastic (and storage of force) or plastic deformation of the penis; even if you assume a single strand consisting of the compressed tunicae its still going to be way out.

It would probably take me some time to get my maths back up to scratch to even consider whats best to simplify for an analysis of this kind. Even then its only the next level of model and if NASA and Xtroop don’t have quite the luck they should with their models maybe its not worth the effort. I just find it intensely interesting and the simple model doesn’t really do it for me.


Thunder's Place: increasing penis size one dick at a time.

Quote
Originally posted by memento
All I'm interested in is the forces and the effects of the forces on the penis. If you feel you have something to add to that please do but it seems you can't raise your discussion beyond the level of abuse.

You’re a joke, and everyone reading this thread knows it.

Thanks Nedd, Its always a pleasure talking with you.


Thunder's Place: increasing penis size one dick at a time.

Quote
Originally posted by memento
do you see an advantage in moving this to a tensor analysis? I just find it intensely interesting and the simple model doesn't really do it for me.

It would take me some time to explain that tensor thing in English, because even in German it’s not a “simple” part of theoretical physics. We will not solve this problem exactly, because we have to know certain properties of the tissue we are talking about, but I think that the tension will behave different at the fulcrum point compared to the “straight stretched” areas of the penis.
If I find something, I’ll post it here.

mcn


More meat - More fun! :D ***April 2006 - 9.5" BPFSL***August 2008 - 9.65" BPFSL, 9.35" BPEL***

Nedd, I know you don’t agree with the alleged theory but have you tried V-stretches or A-stretches much yourself? Do you feel they did give some extra stretching?

Most would say they do feel they are stretching more doing them, I especially feel it during A-stretches. Have you any theory of your own why this is?


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