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# Don't burn your unit under vacuum

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More clearly:
“Temperature is a measure of the average velocity of gas molecules. That’s why pressure goes up when temperature increases, according to the ideal gas law.”
http://www.chemistry.ohio-state.edu…Law/frb2.2.html

The main point is: pressure and temperature are directly proportional.

Anyway, being cautious heating your penis when it is inside the pump is a good advice; expecially when one is filling the tube - in this case, placing an heating source directly on the pump or very near could cause bad burns, exactly because the penis is pushed against the walls of cylinder with a great force (so in this case pressure on the penis is augmenting) and because there is the friction force acting on penile tissue. :)

Originally Posted by marinera
First, I don’t think you reduce n because when air goes off more penis goes in.

That said, V and R are constant, so you have : P=nT then, T= P/n; so, the higher the pressure (helding n unchanged), the higher the temperature; the smaller the n (helding the pressure unchanged), the higher the temperature.

So, being a vacuum a state of lower pressure, it lowers temperature.

Sorry, I think your logic is flawed.

The smaller the n (ie. the greater the vacuum), the higher the temp.

There is not a 1:1 exchange of Penis for air. If there was, there would be equilibrium and no more pulling forces. Therefore, there is a reduction in n resulting in a higher T.

It is a fact that water boils at lower temperature under vacuum. http://www.engineersedge.com/h2o_boil_pressure.htm

Does this mean that the heat feels hotter? I don’t know.

I understand how a pressure cooker works and agree the higher the pressure (which is CREATED by the added HEAT) in an enclosed environment, the higher the temperature (a different variable from the heat source). It is completely different than the temperature-vacuum discussion.

Its an interesting discussion, but that said, who cares. Lets just try to use heat (but not too much)!

Originally Posted by marinera
Anyway, being cautious heating your penis when it is inside the pump is a good advice; expecially when one is filling the tube - in this case, placing an heating source directly on the pump or very near could cause bad burns, exactly because the penis is pushed against the walls of cylinder with a great force (so in this case pressure on the penis is augmenting) and because there is the friction force acting on penile tissue. :)

We agree on that!

Water boils at lower temperatures when the pressure is lower because bubbles can raise more easily, not because there is more heat.

“When heat is applied to a liquid, the temperature of the liquid rises until the vapor pressure vof the liquid equals the pressure of the surrounding gases. At this point there is no further rise in temperature, and the additional heat energy supplied is absorbed as latent heat of vaporization to transform the liquid into gas. This transformation occurs not only at the surface of the liquid (as in the case of evaporation ) but also throughout the volume of the liquid, where bubbles of gas are formed. The boiling point of a liquid is lowered if the pressure of the surrounding gases is decreased. For example, water will boil at a lower temperature at the top of a mountain, where the atmospheric pressure on the water is less, than it will at sea level, where the pressure is greater. … At higher altitudes, boiling points are lower and foods can take longer to cook; pressure cookers can be used to increase the pressure so that the boiling point is raised.”

The lower boiling point under vacuum exactly demonstrate my point. :)

very scientific stuff - I wet pump with a heating pad, on medium to high settingsl. I noticed that the underside of my sac was quite red after a session. In fact, there was a straight border where the redness began. I’m now pumping under the low heat setting. I still got the redness, all in all, it feels better afterwards, than when I was pumping on higher heat. M

"If you do what you've always done, you'll get what you've always got."

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