cylinder diameter of malleable and titan and ams

The final frontier. Deciding when, if and how.
Thisworld
Posts: 279
Joined: Sun Sep 06, 2020 3:01 pm

Re: cylinder diameter of malleable and titan and ams

Postby Thisworld » Fri Sep 12, 2025 5:34 pm

LastHope wrote:Keep in mind that pre implant flaccid is unstretched, whereas post implant flaccid is stretched.

So it become even thinner?
Hard flaccid syndrome since 2019. Trying to get better with conservative treatments but an implant is on my radar

LastHope
Posts: 1466
Joined: Sun Feb 18, 2024 1:26 am

Re: cylinder diameter of malleable and titan and ams

Postby LastHope » Fri Sep 12, 2025 6:13 pm

Thisworld wrote:
LastHope wrote:Keep in mind that pre implant flaccid is unstretched, whereas post implant flaccid is stretched.

So it become even thinner?


Here's a video of how malleable rod diameters are measured. You can also observe the flaccid before (unstretched) vs after (stretched).

https://youtu.be/zQbs2afVD6c?si=-zeGGF72XqHFkfi-

For the best post-op girth within the limits of the anatomy, I would highly recommend the implant that Woody has. I think he nailed it. For girth, MPPs are great if the corporal diameter measurements are 13mm or below. I know Rigi10 had 14mm available outside the US.

JohnnyBorg
Posts: 98
Joined: Tue Jul 01, 2025 9:35 am

Re: cylinder diameter of malleable and titan and ams

Postby JohnnyBorg » Fri Sep 12, 2025 6:51 pm

LastHope wrote:
Thisworld wrote:
LastHope wrote:Keep in mind that pre implant flaccid is unstretched, whereas post implant flaccid is stretched.

So it become even thinner?


Here's a video of how malleable rod diameters are measured. You can also observe the flaccid before (unstretched) vs after (stretched).

https://youtu.be/zQbs2afVD6c?si=-zeGGF72XqHFkfi-

For the best post-op girth within the limits of the anatomy, I would highly recommend the implant that Woody has. I think he nailed it. For girth, MPPs are great if the corporal diameter measurements are 13mm or below. I know Rigi10 had 14mm available outside the US.


Super cool video. The surgeon makes some excellent points about the malleable in terms of length sizing too. An MPP will likely be undersized in length by at least 1 cm (Hakky mentions he does it this way too) to mitigate risk of pain and erosion.

If a patient values maintaining or potentially even improving on their length or girth, I do believe the IPP is the better choice.
Diagnosed with venous leak after having ED majority of my life. Grateful to have some answers, and considering both MPP and IPP as options.

Thisworld
Posts: 279
Joined: Sun Sep 06, 2020 3:01 pm

Re: cylinder diameter of malleable and titan and ams

Postby Thisworld » Fri Sep 12, 2025 7:41 pm

LastHope wrote:
Thisworld wrote:
LastHope wrote:Keep in mind that pre implant flaccid is unstretched, whereas post implant flaccid is stretched.

So it become even thinner?


Here's a video of how malleable rod diameters are measured. You can also observe the flaccid before (unstretched) vs after (stretched).

https://youtu.be/zQbs2afVD6c?si=-zeGGF72XqHFkfi-

For the best post-op girth within the limits of the anatomy, I would highly recommend the implant that Woody has. I think he nailed it. For girth, MPPs are great if the corporal diameter measurements are 13mm or below. I know Rigi10 had 14mm available outside the US.

Thanks for the link. Well i haven't watched lots of mpp videos, but from this one it seems flaccid/unaroused girth defo increase a bit after rods insertion.
So i can't really understand your consideration about stretched penis girth vs unstretched. You mind elaborate more ?
Hard flaccid syndrome since 2019. Trying to get better with conservative treatments but an implant is on my radar

LastHope
Posts: 1466
Joined: Sun Feb 18, 2024 1:26 am

Re: cylinder diameter of malleable and titan and ams

Postby LastHope » Sat Sep 13, 2025 6:35 am

Thisworld wrote:
LastHope wrote:
Thisworld wrote:So it become even thinner?


Here's a video of how malleable rod diameters are measured. You can also observe the flaccid before (unstretched) vs after (stretched).

https://youtu.be/zQbs2afVD6c?si=-zeGGF72XqHFkfi-

For the best post-op girth within the limits of the anatomy, I would highly recommend the implant that Woody has. I think he nailed it. For girth, MPPs are great if the corporal diameter measurements are 13mm or below. I know Rigi10 had 14mm available outside the US.

Thanks for the link. Well i haven't watched lots of mpp videos, but from this one it seems flaccid/unaroused girth defo increase a bit after rods insertion.
So i can't really understand your consideration about stretched penis girth vs unstretched. You mind elaborate more ?


You're welcome! For example, before my surgery, cold weather would cause my penis to shrink and the shaft diameter would be way smaller. I've always been a grower regardless of external conditions.

Now, that no longer happens because silicone rods were inserted to the upper stretch limits of the tunica. The rods not only offer a constant lengthwise stretch but also a consistent radial stretch giving me a fuller flaccid girth regardless of external conditions.

LastHope
Posts: 1466
Joined: Sun Feb 18, 2024 1:26 am

Re: cylinder diameter of malleable and titan and ams

Postby LastHope » Sat Sep 13, 2025 2:32 pm

JohnnyBorg wrote:
LastHope wrote:
Thisworld wrote:So it become even thinner?


Here's a video of how malleable rod diameters are measured. You can also observe the flaccid before (unstretched) vs after (stretched).

https://youtu.be/zQbs2afVD6c?si=-zeGGF72XqHFkfi-

For the best post-op girth within the limits of the anatomy, I would highly recommend the implant that Woody has. I think he nailed it. For girth, MPPs are great if the corporal diameter measurements are 13mm or below. I know Rigi10 had 14mm available outside the US.


Super cool video. The surgeon makes some excellent points about the malleable in terms of length sizing too. An MPP will likely be undersized in length by at least 1 cm (Hakky mentions he does it this way too) to mitigate risk of pain and erosion.

If a patient values maintaining or potentially even improving on their length or girth, I do believe the IPP is the better choice.


Well stated.
Dr. Wilson also discussed MPPs acting as tissue expanders (aka gradual self dilation/atrophy). If the rod in the corpora is not a finger-in-glove fit, in 8 months to 2 years, the rods will act as tissue expanders on residual erectile tissues, and the rigidity will not feel as good like the early phase post-op. TooYoung has explained this in a different thread where the MPP will be wobbly. Switching from IPP to MPP in salvage settings often has lower satisfaction scores, as the corpora are expanded well beyond the maximum diameter of 13 mm with the IPP....then, later down the line, switching to an MPP will be a downgrade not only due to cylinder girth reduction but also in the wobbliness department. That said, we have individuals in this forum like thedriver and neisseria who are happy even after the switch.

ready2go
Posts: 712
Joined: Fri Aug 25, 2023 7:47 pm

Re: cylinder diameter of malleable and titan and ams

Postby ready2go » Sun Sep 14, 2025 12:02 am

My pre implant flaccid girth and after implant is not comparable . before my implant ,while soft, verus aroused was like night and day . i was a grower , and my flaccid size just depended . it was never the same all the time .and i was starting to get that "turtling" thing . that was annoying . No worries of that anymore .
With the malleable it is the same size ,always , regardless . so its more now 24/7 , which for me ,i count as a benefit. .. the girth gets larger when i am aroused though. Although the post implant girth ,of my shaftgirth is not as much as before the implant , that tissue that would fill with blood and expand was damaged by the dilators used for the implant , so the shaft does expand in girth when im in the mood ,but not as much as before .
American , retired in the philippines .
tactra malleable 13 mm ,in new delhi India . on april 2024

Thisworld
Posts: 279
Joined: Sun Sep 06, 2020 3:01 pm

Re: cylinder diameter of malleable and titan and ams

Postby Thisworld » Mon Sep 15, 2025 6:03 pm

ready2go wrote:My pre implant flaccid girth and after implant is not comparable . before my implant ,while soft, verus aroused was like night and day . i was a grower , and my flaccid size just depended . it was never the same all the time .and i was starting to get that "turtling" thing . that was annoying . No worries of that anymore .
With the malleable it is the same size ,always , regardless . so its more now 24/7 , which for me ,i count as a benefit. .. the girth gets larger when i am aroused though. Although the post implant girth ,of my shaftgirth is not as much as before the implant , that tissue that would fill with blood and expand was damaged by the dilators used for the implant , so the shaft does expand in girth when im in the mood ,but not as much as before .

Do you remember by any chance what was your pre implant Flaccid girth, and what's now your flaccid/not aroused girth?
Hard flaccid syndrome since 2019. Trying to get better with conservative treatments but an implant is on my radar

ready2go
Posts: 712
Joined: Fri Aug 25, 2023 7:47 pm

Re: cylinder diameter of malleable and titan and ams

Postby ready2go » Mon Sep 15, 2025 9:35 pm

Thisworld wrote:
ready2go wrote:My pre implant flaccid girth and after implant is not comparable . before my implant ,while soft, verus aroused was like night and day . i was a grower , and my flaccid size just depended . it was never the same all the time .and i was starting to get that "turtling" thing . that was annoying . No worries of that anymore .
With the malleable it is the same size ,always , regardless . so its more now 24/7 , which for me ,i count as a benefit. .. the girth gets larger when i am aroused though. Although the post implant girth ,of my shaftgirth is not as much as before the implant , that tissue that would fill with blood and expand was damaged by the dilators used for the implant , so the shaft does expand in girth when im in the mood ,but not as much as before .

Do you remember by any chance what was your pre implant Flaccid girth, and what's now your flaccid/not aroused girth?


Before the implant ,the flaccid girth all depended, and was not a concern . Why would i care what it was when its soft ? i don't fuck with a soft dick.
When i was hard, it was 6 inches or more . If i put my finger and thumb around the shaft pre implant while hard , i would be squeezing the shaft , after the implant ,there is room between my finger and the shaft .
Now its about 5 , a little more when I'm in the mood .
American , retired in the philippines .
tactra malleable 13 mm ,in new delhi India . on april 2024

edjohn
Posts: 52
Joined: Mon Aug 14, 2023 11:10 am

Re: cylinder diameter of malleable and titan and ams

Postby edjohn » Tue Sep 16, 2025 10:33 am

Thisworld wrote:If two cylinders of the same diameter are placed side by side and enclosed within a larger cylinder(the penis), the enclosing cylinder's circumference is calculated as follows:


Nope.

Nope nope nope.

This math is completely false and misleading. When you put two circles side by side, they don’t make one big circle of double the diameter. At best, you have a “race-track” oval shape.

For 21mm cylinders this race track is about 4.25” around.
Oct 7, 2025 - Coloplast Titan XL - Touch pump - 26cm - 0.5cm RTE with Jonathan Clavell. Still sorting out TRT; plan to try a "modified natty" approach without injections.


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