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Home made pump.

Home made pump.

I made my first home made pump today.

2” inside diameter ABS pipe with an orange test cap to seal it, with a connector and narrow gauge pipe to suck the air out with my mouth.

Verdict; I need a better seal at the connector because I have to suck air out every few seconds to maintain suction, but I was really surprised how much suction the device generates.

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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"

I’m pretty new to this but using a homemade pump doesn’t seem safe.

Are you worried about not being able to see your unit when you pump?

Originally Posted by rootsnatty
Are you worried about not being able to see your unit when you pump?

It’s only an experiment to see what works. ABS is easy to cut and glue.

I’m going to try clear polycarbonate next.


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 made my first home made pump today.

2” inside diameter ABS pipe with an orange test cap to seal it, with a connector and narrow gauge pipe to suck the air out with my mouth.

Verdict; I need a better seal at the connector because I have to suck air out every few seconds to maintain suction, but I was really surprised how much suction the device generates.

Should be easy to get a seal at the connector using some type of caulking or something


LetsGrow123 is the owner of the gripping trainer website. He also posted here as ykm123321 in an effort to promote that site and the related video site. Please take any product endorsements as very likely to be biased.

Originally Posted by a-unit
It’s only an experiment to see what works. ABS is easy to cut and glue.

I’m going to try clear polycarbonate next.

Gotcha. Then, in that case, it looks badass!

Thanks root!

It does look “industrial”.


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"

Tried the pump while erect this morning for five minutes.

Holy shit!

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


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 sparkyx
Try it with warm water!

That’s next.


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 sta-kool
Sounds like you overdid the pressure.

I’m not sure.

The pressure is from me sucking air our with my mouth.

How much pressure could that be?


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 dickerschwanz
What do you use at the base?

Just the smoothed over edge of the cut tube.

I don’t think that the device creates that much vacuum to cause discomfort at the base.


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’m not sure.

The pressure is from me sucking air our with my mouth.

How much pressure could that be?

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!

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