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Thunder · 06-27-11, 11:25 AM

Yeah. I looked through the entire thread regarding u-boat pics and didn't find one with the oil canning.
What i find curious is some of the guys modeling the revell uboat go into extreme detail, having done what i presume is a lot of research, and they model the oil canning effect.
http://models.rokket.biz/index.php?topic=443.315

I wonder where they got their pics from...

And another question would be , the basic flotation/diving principal between the US and German subs is the same, so why does the Gato seem to have such pronounced "canning?"

Got this from an online PDF on building the Revell model:

Oil canning - Boat hulls appear smooth from a distance, but up close, it is obvious that ribs or ***8220;frames***8221;
support the sheet metal skin. It is noticeable because the metal
is slightly indented between ribs. This is called ***8220;oil canning***8221;,
presumably because thin oil cans indent and deform when
squeezed.
This indentation happens naturally - there is much
more support at the frames. Other factors turn up the
intensity, like slight ripples to flat metal, unevenness,
differing expansion and contraction between the free metal
and the fixed metal, etc. Submarines add pressure from dives,
and depth charging. Though the free-flood hull casing would
not be affected by pressure (equal on both
sides), all the other factors combine to make
the ribs stand out even there.

However , as a reference photo, they used the Gato.
mmm, could making the oil canning on the Revell be wrong?

06-27-11, 11:25 AM	#7
Thunder Soundman Join Date: Nov 2007 Location: cape Town Posts: 142 Downloads: 182 Uploads: 0	Yeah. I looked through the entire thread regarding u-boat pics and didn't find one with the oil canning. What i find curious is some of the guys modeling the revell uboat go into extreme detail, having done what i presume is a lot of research, and they model the oil canning effect. http://models.rokket.biz/index.php?topic=443.315 I wonder where they got their pics from... And another question would be , the basic flotation/diving principal between the US and German subs is the same, so why does the Gato seem to have such pronounced "canning?" Got this from an online PDF on building the Revell model: Oil canning - Boat hulls appear smooth from a distance, but up close, it is obvious that ribs or *8220;frames8221; support the sheet metal skin. It is noticeable because the metal is slightly indented between ribs. This is called 8220;oil canning*8221;, presumably because thin oil cans indent and deform when squeezed. This indentation happens naturally - there is much more support at the frames. Other factors turn up the intensity, like slight ripples to flat metal, unevenness, differing expansion and contraction between the free metal and the fixed metal, etc. Submarines add pressure from dives, and depth charging. Though the free-flood hull casing would not be affected by pressure (equal on both sides), all the other factors combine to make the ribs stand out even there. However , as a reference photo, they used the Gato. mmm, could making the oil canning on the Revell be wrong?