Tug and Work Boat Design Guide


#1

I found this article interesting. What is the biggest tug you have sailed? Has anybody ever been on a 9,000 plus Horsepower?

http://www.ral.ca/articles/BCSN-12-05-Tug-Design-Guide.pdf


#2

14,000 plus for me.


#3

[QUOTE=AHTS Master;184916]14,000 plus for me.[/QUOTE]

Wow - AHTS Master


#4

Ocean Tundra – Canada’s most powerful tug enters service. Not sure if they have even a more powerful one now? Anybody know?

http://www.ral.ca/news/2014/2014-01-10.html


#5

5000 for me.

My current boat is 4000.


#6


#7

6200 for me. 85ton bollard pull


#8

[QUOTE=AHTS Master;184916]14,000 plus for me.[/QUOTE]

Is that HP from the Tags attached to the Main Engines or is that what the company Marketed the boat at?

Call me Old School but the Only HP that counts is what puts the power to the shafts, pods, not how big the A/C Compressor motor is!


#9

that’s most likely it, the Seaspan Royal ex-rivtow Capt Bob is 6,300hp 102 tons of pull


#10

[QUOTE=DeepSeaDiver;184906]What is the biggest tug you have sailed?[/QUOTE]

20,000 hp, 230+ tonnes. It does say “tug” in the class notation…


#11

[QUOTE=Tups;185007]20,000 hp, 230+ tonnes. It does say “tug” in the class notation…[/QUOTE]

Which vessel is this Tups?


#12

[QUOTE=DeepSeaDiver;185012]Which vessel is this Tups?[/QUOTE]

MSV Nordica.

In 2018 I’ll hopefully get to test-drive Aleksandr Sannikov, which will have 21.5 MW but “only” a bit over 200 tons due to open propellers…


#13

[QUOTE=Tugs;184929]Is that HP from the Tags attached to the Main Engines or is that what the company Marketed the boat at?

Call me Old School but the Only HP that counts is what puts the power to the shafts, pods, not how big the A/C Compressor motor is![/QUOTE]

The engine package is rated by Dynamometer at over 15,000 and the company sells it for 14,000.


#14

[QUOTE=AHTS Master;185204]The engine package is rated by Dynamometer at over 15,000 and the company sells it for 14,000.[/QUOTE]

Who made the Mains?


#15

NREC-EMD, the blocks were custom made in Poland.


#16

[QUOTE=AHTS Master;185223]NREC-EMD, the blocks were custom made in Poland.[/QUOTE]

15,000 hp total is pretty good. How many Main Engines?


#17

Four sixteens.


#18

[QUOTE=AHTS Master;185239]Four sixteens.[/QUOTE]

Damn! I hope that’s one big ER! Do you have any pictures of her? It would be nice to see the ER. What was it two engines per shat? That had to be one hell of a Boat.


#19

It’s an AHTS so that means it’s a very large tug. It has 2 compound gear boxes.


#20

[QUOTE=AHTS Master;185242]It’s an AHTS so that means it’s a very large tug. It has 2 compound gear boxes.[/QUOTE]

I assumed (I hate that word) that they were compound boxes. I have worked on some pretty big boats but some of those AHTS are a sight to behold.

Was she US Flag?