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[DrSchmidt]

Thanks.....I hope it turns out that well when printed

[DrSchmidt]

Exactly......the air from the tank goes into the dry space of the wtc and the pressure rise is accebtable. Sealing off the tank and pumping water into...

[DrSchmidt]

And some more valves and interlocks.......

[DrSchmidt]

That's a hughe boat. Nice craftsamanship!...

[DrSchmidt]

Well I have a Phd in physics and know about compressability. The question is, why would I pursue an approach that puts immense pressure on tank, pump...

[DrSchmidt]

Damn those things were comolicated with all the mechanic interlocks.......

[DrSchmidt]

How do you fill a closed tank? The Air has to go somewhere........

[DrSchmidt]

The pressure switch is works differentially - it senses the pressuer difference beween two points, in my case the inside of the wtc and...

[DrSchmidt]

So after a while I'm back working on this boat. It was pretty much done when I stopped, but looking at it today, I don't like the original ballast system...

[DrSchmidt]

So, the crank interface for the muzzle dor ins on, the end of the firing rod, the director valve and some bits and pieces....not even halfway...

[DrSchmidt]

Here's a rare picture of the inside of a Type XXIII. The toredo tubes were taken from canceled VIIc boat builts. So exactly the same like...

[DrSchmidt]

Torpedo room taking shape......

[DrSchmidt]

Working on the breech doors of the 533 mm torpedo tubes of my Type XXIII submarine project....