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The Bagman over at PumpToys conducted an experiment utilizing the two techniques.
The control pumper quickly pumped up to 5 hg and maintained the vacuum level at 5 hg for sixty minutes.
The pulse pumper slowly increased the vacuum to 5 hg and left it there for five minutes and then reduced to 1 hg for thirty seconds before returning to 5 hg for another five minutes and repeated the process for 60 minutes
Using precisely measured water in both cylinders the results showed that the pulse pumper had a 133% greater increase in volume.
This fluid flow and gain process that creates enlargement is restricted by the pumping operation itself, in these three ways:
As swelling takes place, tissues are engorged- including those of the passageways bringing fluid in, actually reducing the diameters of those passageways.
There is a pinching pressure attempting to close these passageways right at the point where the cylinder entry meets your body. The passageways are part of the tissue being compressed by the sealing surface of the tube.
It is further complicated by another easily demonstrated process, that of "vacuum collapse". Take a soft tube, and connect it to your vac pump. With an open end, it will suck indefinitely. Now squeeze the tube down in the middle. As the opening gets narrower, two things happen. One, the flow through the restriction reduces- and two, the vac level on the restricted portion increases. There comes a point where the internal vacuum itself pulls the tube closed- and all flow stops.
All of these conditions combine to either restrict or stop the process of enlargement. The longer the condition lasts, the tighter the restriction can get- and thereby further reducing the level of effectiveness, ultimately ending effective time altogether. The issue is one of making all the time in the pump effective time, and maximizing the level of that effectiveness.
The control pumper quickly pumped up to 5 hg and maintained the vacuum level at 5 hg for sixty minutes.
The pulse pumper slowly increased the vacuum to 5 hg and left it there for five minutes and then reduced to 1 hg for thirty seconds before returning to 5 hg for another five minutes and repeated the process for 60 minutes
Using precisely measured water in both cylinders the results showed that the pulse pumper had a 133% greater increase in volume.
This fluid flow and gain process that creates enlargement is restricted by the pumping operation itself, in these three ways:
As swelling takes place, tissues are engorged- including those of the passageways bringing fluid in, actually reducing the diameters of those passageways.
There is a pinching pressure attempting to close these passageways right at the point where the cylinder entry meets your body. The passageways are part of the tissue being compressed by the sealing surface of the tube.
It is further complicated by another easily demonstrated process, that of "vacuum collapse". Take a soft tube, and connect it to your vac pump. With an open end, it will suck indefinitely. Now squeeze the tube down in the middle. As the opening gets narrower, two things happen. One, the flow through the restriction reduces- and two, the vac level on the restricted portion increases. There comes a point where the internal vacuum itself pulls the tube closed- and all flow stops.
All of these conditions combine to either restrict or stop the process of enlargement. The longer the condition lasts, the tighter the restriction can get- and thereby further reducing the level of effectiveness, ultimately ending effective time altogether. The issue is one of making all the time in the pump effective time, and maximizing the level of that effectiveness.
Member of the Month Nov 2017
It's makes my penis look more naturally engorged .. U can't really tell I've done something like getting pumped up, but u can with the static as I look "Deflated" and wrinkly.. 
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