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[JHapprich]

Sexy Soviet 6-bladers, David! Wish i had two of those for the Vodka short can! Do you still posses the Foxtrot?

Albacore, is the DDS a standard...

[JHapprich]

Impressive! Minus 8° - 10°C in the night.
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[JHapprich]

And the drill bits:

https://www.amazon.de/gp/aw/d/B01MTA...b_b_asin_title...

[JHapprich]

Hi, available on Amazon:

https://www.amazon.de/Proxxon-Universalhalter-UHZ-Zwinge-28610/dp/B0017NOVR2/ref=asc_df_B0017NOVR2?mcid=44e445f5ad8d3d2d96dade5...

[JHapprich]

Another view down the stern, right side only with angled edge yet. Still way to wide. Best guess i put in filler from the inside so i might remove more...

[JHapprich]

Now my model, started with trimming the edge:

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[JHapprich]

Very quiet here...

I made a custom grinding drum for fine tuning of my hand-ground tubedoor channels to achieve a perfect semilunar groove....

[JHapprich]

Any tipp how to implement SHARP pictures? I am taking 12 to 50M photos jpeg, resizing them with a picture resizer app to site specs and they are still...

[JHapprich]

Some more pictures:

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[JHapprich]

Putting things back together to check the overall look

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[JHapprich]

The tubedoors and some groups of the floodholes below the fwd sail were filled up again. The channels were that made by grinding in an initial groove...

[JHapprich]

Wont tell anyone! One thing is death-proof: the user specs remain the same.ha ha

On soviet diesels, they had two foot rests for the brave...

[JHapprich]

I like that pump!
seems the design didnt change much till ww2

[JHapprich]

Started on the shutter doors. The front part was easy. Made a template for the rear section and found my original error: the depht of the tube muzzles...

[JHapprich]

After checking with my reference pictures, i extended the floodholes under the sail. Some minor work done. An old propeller stuck onto the rotary tool...

[JHapprich]

To the stern:

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[JHapprich]

An overview:

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[JHapprich]

Checking for symmetrie:

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[JHapprich]

The 322 major floodholes are done, symmetrically! Tungste-carbide milling bits prooved to be superior over diamond bits.

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[JHapprich]

After sanding:

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