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A few pumping questions . . .

A few pumping questions . . .

I just started pumping with a 2 inch wide/ 9 inch long LA Pump. My girth is about 5 1/4 sometimes slightly more towards 5 1/2. My balls do not get sucked in when I pump, but I have noticed that I pack the tube at the base with a little bit of my scrotum area but not nearly that much with the rest of my dick. Is my cylinder too big?

Also, while in the cylinder, my length does not seem to expand much. Will I see any length gains over time?

I have heard that pumping is primarily for girth. Is this true or can I utilize my pump to achieve lengths gains as well?

Thanks in advance for any help you guys can give me.

Sounds fine, CSteed.

I do think pumping does do more for girth than for length, but members have reported length gains as well.


For Lampwick, becoming hung like a donkey was the result of a total commitment.

I read somewhere that if you want to pump for length you should get a cylinder with a smaller diameter. Maybe 1.75 in your case. If you are pumping for girth then you are probably fine.

But I have done zero pumping, so maybe we can get one of our vet pumpers to comment?


Starting (10 / 2006): 5.8~BPEL, 5~BG ----> Current: 7.6 BPEL, 5.6 BG ----> Goal: Pringles Can

I hate to put a damper on your expectations, but as far as I have read, and I have read a great deal about pumping, pumping alone will most likely not generate any permanent gains. Perhaps combined with other PE routines, extenders, hanging, manual stretches, etc., you may achieve some gains, but very few people have gained with pumping alone. I have been pumping for 9+ months and have not gained any erect length or girth. Temporary gains, however, have been most satisfactory, and my flaccid girth seems to have improved. I started using an extender about four weeks ago and I am anticipating the combination will start to show some permanent gains.

Experiences vary on that, dtwarren1942, on how well pumping along works, and how permanent the gains are.

Whiskeyfish, pumping with a limited diameter tubing in hopes of encouraging length rather than girth may or may not work, but it does come with a higher risk of injury if you’re applying the vacuum mostly on the glans. There’s a higher risk of blisters. In addition, how well that works depends on the shape of your dick. A tree trunk/traffic cone dick might stand a better chance than a baseball bat shaped cock.


For Lampwick, becoming hung like a donkey was the result of a total commitment.

dtwarren1942,

What do you mean by temporary gains? How temporary? Are you talking about post-expansion or losing gains after a month off PE? And what routine have you been doing?

Many variables at play.

I also think it is safer to combine pumping with jelqing or some other manual work, but there is no hard rule in PE.

Originally Posted by Renholder
dtwarren1942,

What do you mean by temporary gains? How temporary? Are you talking about post-expansion or losing gains after a month off PE? And what routine have you been doing?

Many variables at play.

I also think it is safer to combine pumping with jelqing or some other manual work, but there is no hard rule in PE.


When I say temporary, I am talking about up to 2 hours after coming out of the cylinder. I normally follow Avocet8’s pumping for ED routine in the am and again in the pm three times a week. I also do water pumping for 20 minutes one or two times a week and a low pressure 30 minute session once or twice a week. Since starting using the extender four weeks ago, my pumping has probably been reduced somewhat.

Originally Posted by WhiskeyFish
I read somewhere that if you want to pump for length you should get a cylinder with a smaller diameter. Maybe 1.75 in your case. If you are pumping for girth then you are probably fine.

But I have done zero pumping, so maybe we can get one of our vet pumpers to comment?

Can I ask a small question? I am using the Bathmate at the moment. I have read around that you can pack a cylinder.

If you mentioned if you want length use a shorter cylinder, and if you want girth use a fatter cylinder. From my experience, if you pump your penis expands in all direction. So if I had a smaller cylinder and went for length only. Wouldn’t the pressure of the pump try to expand you dick outwards and possible crack or break the cylinder instead of raising your dick upwards through the tube?


Starting stats: 7" EL x 5" EG Current stats: 7.1" EL x 5.125" EG Goal : 7.5" x 5.75"

I’ve never heard of that happening, shiby916. If a cylinder was to crack, I’m thinking it would be due to a defect in the cylinder or weakening from some other cause, like having dropped and damaged it. I don’t think you can generate enough vacuum for your penis’s expansion to crack it.

It’s also worth noting that the idea of using a smaller diameter cylinder to encourage length expansion to the preference of girth expansion is not universally accepted for effectiveness. In addition, to the extent that it might work, it would depend on focusing the vacuum force on the head (glans) of the penis, so anyone doing this runs a greater risk of developing water blisters there.


For Lampwick, becoming hung like a donkey was the result of a total commitment.

Do most high-end cylinders come with built-in cock rings at the base? My Boston Pump cylinder is designed that way.

What I mean by that is that I purchased the 9x2 cylinder, but that if you measure the diameter at the base it is 1.75” because of an intentionally designed opening. The rest of the cylinder is the 2” diameter. This can be somewhat problematic in that it is very restrictive on my ~5.7 in base girth, and may lead to a baseball bat dick (mine is currently still a cone). Also an expanded dick has a hard time making back out of the cylinder, and I fear that the trip out of the cylinder through the ring is canceling out gains from a pumping session.

Of course the good thing about the built-in cock ring is that I never have any problem at all creating a seal at the base.

Anyone have any insight or similar experiences?

Originally Posted by scienceguy106
Do most high-end cylinders come with built-in cock rings at the base? My Boston Pump cylinder is designed that way.

What I mean by that is that I purchased the 9x2 cylinder, but that if you measure the diameter at the base it is 1.75” because of an intentionally designed opening. The rest of the cylinder is the 2” diameter. This can be somewhat problematic in that it is very restrictive on my ~5.7 in base girth, and may lead to a baseball bat dick (mine is currently still a cone). Also an expanded dick has a hard time making back out of the cylinder, and I fear that the trip out of the cylinder through the ring is canceling out gains from a pumping session.

Of course the good thing about the built-in cock ring is that I never have any problem at all creating a seal at the base.

Anyone have any insight or similar experiences?


I have a similar design of the base, but it’s far from high end (only $20). Here’s the picture: Cylinder base.jpg

This type of base allows me to use 2” diameter cylinder even though my MSEG is only 5.1” (and BEG even less). Obviously those measurements are better suited for 1.75” diameter cylinder. Still, I pack the base with ease. If anything, that should help me cure my baseball bat shape. I hope to even out the girth with pumping.

Trip out of the cylinder can’t cancel out the gains because micro tears happen thanks to your penis being under the vacuum inside the cylinder. Few seconds of pressure while you’re pulling it out of the cylinder won’t miraculously cancel out the time spent under the vacuum so I don’t think you have anything to worry about.

I agree about perfect seal, I never had a leak from day 1 of pumping, even when I was trying out the equipment for the first time ever.


Start • 5.94''x4.92''

Now • 6.50''x4.96''

Goal • 7.00''x5.75''

Thanks, UpTo7. Makes perfect sense about the design not canceling out gains. It does make me wonder when the right time to move up in cylinder size is. As is discussed in the “selecting cylinder size” threat, my 5.7” base girth makes sense with a uniform 2’ diameter tube. I just have such a hard time fitting that stupid 1.75” opening of the cylinder around the base of my penis. But I’m afraid that a 2.25” cylinder (2” base) would be too large.


I'm a disciple of science.

I think a 2” dia tube is too big for 5.25” girth.

I am 5.5” girth and I only use a 1.75” tube. I have a 2 ” tube but I don’t like using it because it causes too much fluid buildup .
I like to pack the tube for better length stretch and I can do that easily with the 1.75”, and have minimal fluid buildup.

But if you are going for girth then I suppose the 2” is fine.

Originally Posted by Lampwick
I’ve never heard of that happening, shiby916. If a cylinder was to crack, I’m thinking it would be due to a defect in the cylinder or weakening from some other cause, like having dropped and damaged it. I don’t think you can generate enough vacuum for your penis’s expansion to crack it.

It’s also worth noting that the idea of using a smaller diameter cylinder to encourage length expansion to the preference of girth expansion is not universally accepted for effectiveness. In addition, to the extent that it might work, it would depend on focusing the vacuum force on the head (glans) of the penis, so anyone doing this runs a greater risk of developing water blisters there.

My tube is 7” circumference and I only seem to be packing on the front shaft. I tried it last night and I only feel discomfort/pain on the top/front of my shaft. I really don’t get it and why it happens. I seem to fill the tube rather quickly too. Only after my second pump it starts to hurt. My first pump to get up to max expansion is ok, but the following pumps to get higher up the tube hurts my dick. One thing I have noticed though is even when at high pressure, around 18cm, it can hurt but I can’t recall having fluid build up for some time now. I only got it after the first 2 weeks pumping, and now I hardly get it at all.

If I don’t get fluid build up does that mean that I’m not going over board with the pressure?


Starting stats: 7" EL x 5" EG Current stats: 7.1" EL x 5.125" EG Goal : 7.5" x 5.75"

Originally Posted by scienceguy106
Thanks, UpTo7. Makes perfect sense about the design not canceling out gains. It does make me wonder when the right time to move up in cylinder size is. As is discussed in the “selecting cylinder size” threat, my 5.7” base girth makes sense with a uniform 2’ diameter tube. I just have such a hard time fitting that stupid 1.75” opening of the cylinder around the base of my penis. But I’m afraid that a 2.25” cylinder (2” base) would be too large.


Why don’t you get a 2” cylinder with no flared opening?

If I measured my 2” cylinder correctly, the opening is 1.85” and I hope that won’t be a problem once I start working on my girth (especially after base girth increase that’s supposed to happen with hanging).


Start • 5.94''x4.92''

Now • 6.50''x4.96''

Goal • 7.00''x5.75''

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