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Home made pump.

Originally Posted by sta-kool
Yeah same here. Way more than than 5hg, which for a lot of us is the highest we will do.

Yeah, like scary high vacuums.

I made a very similar pump when I was about 18, pvc pipe and a one way valve from a fuel line.

You can definitely pull a lot of vacuum by mouth, I remember it always gave me a lot of edema when I used it, difficult to gauge when you can’t see what’s going on.

Buy yourself a decent cylinder is my advice.

Originally Posted by a-unit
Tried the pump while erect this morning for five minutes.

Holy shit!

A half hour later I’m still red and engorged.

Was this your first foray into pumping?

Those were my same sentiments after my first time pumping! Please keep sharing the evolution pics of your DIY cylinder.


Started 7.75x5.75

Currently: 9.75bpX6.75eg My Picture Thread

Goal:10.0bpX7.25mseg Building a thicker unit, click by click, pump by pump, jelq by jelq!

Originally Posted by rootsnatty
I can easily pull -15 in hg by mouth, and -20 with a bit of struggle. I can hit about 5-8 hg with the first suck, and then little sucks get me the rest of the way. The short answer is a lot!

Aha!

There is quite a pull on the unit, so I’d better be careful.


Began December 2009 at 5 7/8" length and 5" girth.

As of December 5th 2012 7 3/8" BPEL and 6 1/8" base girth.

Going for the magic 8"x6"

Originally Posted by Titleist
Was this your first foray into pumping?

Those were my same sentiments after my first time pumping! Please keep sharing the evolution pics of your DIY cylinder.

First time.

Three days later my dicks still extra sensitive and more responsive to my wife.

I will continue updating.

My next project is a clear polycarbonate version so I can see what’s going on


Began December 2009 at 5 7/8" length and 5" girth.

As of December 5th 2012 7 3/8" BPEL and 6 1/8" base girth.

Going for the magic 8"x6"

Originally Posted by capernicus1
I made a very similar pump when I was about 18, pvc pipe and a one way valve from a fuel line.
You can definitely pull a lot of vacuum by mouth, I remember it always gave me a lot of edema when I used it, difficult to gauge when you can’t see what’s going on.
Buy yourself a decent cylinder is my advice.

I ordered a clear polycarbonate tube and cap and I’m going to use the same by mouth system for pressure.


Began December 2009 at 5 7/8" length and 5" girth.

As of December 5th 2012 7 3/8" BPEL and 6 1/8" base girth.

Going for the magic 8"x6"

Take a look at Brake Bleeder pumps with a gauge in the automotive section. The one I use was $28 US, from harbor freight tools:

http://t.harborfreight.com/brake-bl…-kit-69328.html

A-unit, the clear tube and warm water pumping medium will make the mouth draw much safer. The mouth draw is actually very good for water pumping because you can achieve a completely water filled system. So the water you draw out will need to be accompanied by an immediate expansion in the volume of your penis by the exact same amount as the volume of the water you suck out. This expansion will be almost all due to tunica expansion as it is the only type of expansion that happens quickly enough to match the mouth draw and equalize the pressure. You can feel it too when your tunica has expanded maximally, it’s like your sucking hits a brick wall and you just can’t suck out anymore water. At that point you can kink the hose or turn a valve and wait 5 or 10 minutes for the tunica to relax, then you can draw out more water for more expansion. The good part about doing it that way is that there is very little chance of edema and you can directly control EXPANSION rather than just pressure.

Agree on clear tube and mouth draw. Great post, rootsnatty.

For what it is worth, that harbor freight pump kit above can work well for waterpumping, as in includes a cup/reservoir you can place inline between cylinder and pump. Reservoir will catch any fluid spilled from cylinder, thereby protecting the pump from getting any water in it.

Originally Posted by sta-kool
Agree on clear tube and mouth draw. Great post, rootsnatty.

For what it is worth, that harbor freight pump kit above can work well for waterpumping, as in includes a cup/reservoir you can place inline between cylinder and pump. Reservoir will catch any fluid spilled from cylinder, thereby protecting the pump from getting any water in it.

Yep, every pumper should have a brake bleeder. They are massively useful and awesome. I bet they were made to do PE and someone figured out they also work on brakes. :)

Oh also, I just got my Harbor Freight ad and they are on sale this month. Not sure if that is just in my area or nation-wide.

Originally Posted by rootsnatty
A-unit, the clear tube and warm water pumping medium will make the mouth draw much safer. The mouth draw is actually very good for water pumping because you can achieve a completely water filled system. So the water you draw out will need to be accompanied by an immediate expansion in the volume of your penis by the exact same amount as the volume of the water you suck out. This expansion will be almost all due to tunica expansion as it is the only type of expansion that happens quickly enoughx to match the mouth draw and equalize the pressure. You can feel it too when your tunica has expanded maximally, it’s like your sucking hits a brick wall and you just can’t suck out anymore water. At that point you can kink the hose or turn a valve and wait 5 or 10 minutes for the tunica to relax, then you can draw out more water for more expansion. The good part about doing it that way is that there is very little chance of edema and you can directly control EXPANSION rather than just pressure.

That’s amazing.

I felt a small amounts that the other day in the bath, but was too tired to do more than a few minutes in the water with the pump.

It’s good to know I’m heading in the right direction with my experiment.


Began December 2009 at 5 7/8" length and 5" girth.

As of December 5th 2012 7 3/8" BPEL and 6 1/8" base girth.

Going for the magic 8"x6"

Originally Posted by rootsnatty
A-unit, the clear tube and warm water pumping medium will make the mouth draw much safer. The mouth draw is actually very good for water pumping because you can achieve a completely water filled system. So the water you draw out will need to be accompanied by an immediate expansion in the volume of your penis by the exact same amount as the volume of the water you suck out. This expansion will be almost all due to tunica expansion as it is the only type of expansion that happens quickly enough to match the mouth draw and equalize the pressure. You can feel it too when your tunica has expanded maximally, it’s like your sucking hits a brick wall and you just can’t suck out anymore water. At that point you can kink the hose or turn a valve and wait 5 or 10 minutes for the tunica to relax, then you can draw out more water for more expansion. The good part about doing it that way is that there is very little chance of edema and you can directly control EXPANSION rather than just pressure.

This will destroy anyone’s length gain plateau. Great post.


Started 7.75x5.75

Currently: 9.75bpX6.75eg My Picture Thread

Goal:10.0bpX7.25mseg Building a thicker unit, click by click, pump by pump, jelq by jelq!

Originally Posted by Titleist
This will destroy anyone’s length gain plateau. Great post.

I have been searching for this for nearly two years.


Began December 2009 at 5 7/8" length and 5" girth.

As of December 5th 2012 7 3/8" BPEL and 6 1/8" base girth.

Going for the magic 8"x6"

Originally Posted by a-unit
I have been searching for this for nearly two years.

I know you know this, but take it slow and work up to more time each week. Keep that water heated!


Started 7.75x5.75

Currently: 9.75bpX6.75eg My Picture Thread

Goal:10.0bpX7.25mseg Building a thicker unit, click by click, pump by pump, jelq by jelq!

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