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Oct 10, 2009, 01:20 AM
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Build Log

Romanian high-power tug ZIMBRUL class


Hello guys!
I haven't write on the forum for awile, just watch your discussions, very interesting subjects, i just hope you will watch this thread too.
After a long period of documentation, (about 3 years) i have started the build of this tug about two months ago. It is one of the most powerfull tugs that operates in Black Sea, with twin diesels of 3300HP each.It was designed in 1986 at ICEPRONAV, the romanian ship design institute. There are four ships in this class, three in romanian navy and one in Greek service.
Some specs:
Lenght-35.80m
Beam-11.8 m
Twin props with a 3.8m in diameter in nozzels.
Can be used also as a icebreaker.
I am having almost the complet sets of shipyard drawings for every part of it, about 124 sheets of plans!

I hope you will like it
Best regards
George
Last edited by marinaru_ro; Oct 10, 2009 at 02:22 AM.
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Oct 10, 2009, 01:58 AM
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The model is in 1:45 scale, with a total lenght of 81.5cm.
i have used two Pro480 motors with two belt gears obtained from old Canon Ink-jet printers with small modifications.The gears ratio is 1:8, so at 6volts the props will have about 1200rpm/min at max. I will use two scratch built props, from brass with a 78mm in diam. The full size props are having variable pitch and my wish is to have this on the model also...
Some pictures...
Oct 10, 2009, 02:07 AM
Registered User
I was on the real ship this summer at Constanta port and take about 300 pictures.
The nozzles are molded from fiberglass with styrene rudders.
Pictures...
Oct 10, 2009, 02:36 AM
Sea Dragon-Lover
Umi_Ryuzuki's Avatar
Excellent work...

We will see some ice breaking tows soon?
Oct 10, 2009, 02:44 AM
Guard-Engineer
Cadmunkey's Avatar
That's great work. I like the finish of the hull. I've always liked the flat look better than gloss.

Cheers,
Oct 10, 2009, 08:28 AM
I'm tired.....
jjac's Avatar
Skills!!
Oct 10, 2009, 09:49 AM
Registered User
What a monster! if the scale is anything like the full size version you could use it to tow you in a dingy and go trolling!
Foo
Oct 10, 2009, 03:03 PM
Registered User
Back with some pictures.
First thank you for watching this, and Umi i know you are a really specialist in modern ships so i will really need some help from you and other guys here during the build because this is my first "modern" tug. .
I have used email colours for airbrush, then covered with flat clear.
The model is having independent propulsion for each prop and also independent move for the nozzles. I can also mix them from the remote.
From my calculations it will have about 10.9Kg ; and lots of power i hope
Oct 10, 2009, 03:11 PM
Registered User
As i have write before i was on the tug this summer and had the chance for a small run (about 4 Hours), during this time it towed a very large cargo(new build) out of port for first sea trials and belive me it it a very maneouvrable tug even without bowthruster. The bollard pull is 107tons wich is quite impressive.
Oct 11, 2009, 01:18 AM
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Last week i have also begun the build of the superstructure, simple as form but very complex in details, alot of angles especially at the funnels.
I have used 0.8mm thick plywood for the walls and 2mm ply for superstructure's frames.
Oct 11, 2009, 01:23 AM
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And this is where i am now...

Best regards
George
Oct 11, 2009, 08:18 AM
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-kno3-'s Avatar
Very nice hull! How long is it?
Oct 11, 2009, 09:06 AM
Registered User
Quote:
Originally Posted by -kno3-
Very nice hull! How long is it?
If you read the first line in post nr 2
Quote:
Originally Posted by marinaru_ro
The model is in 1:45 scale, with a total lenght of 81.5cm.

By the way! It's a very nice build!
Oct 11, 2009, 09:08 AM
Registered User
-kno3-'s Avatar
Missed that :-)
Oct 18, 2009, 02:45 AM
Registered User
Hello guys!
I have made some progress, not much because of the time. I have used styrene to make the pieces like vents and some welding lines on the superstructure. Have also prepared the place where the towing hook will rotate; also used styrene for this and a rail from my collection of modeltrains.


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