Talk:Icebreaker

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Contents 1 Video 2 Heavy- vs Normal vs Light-Icebreaker definition? 3 Polarstern Graph 4 Notable Icebreakers section cleanup 5 Split list from article

[edit] Video

Here is a video from the USCG which demonstrates icebreaking in action. It's from a USCG member while in the course of his duties so it's PD but it's in AVI format and I have no way to reformat it to the codec we are allowed to use here. It's pretty cool though. Nrbelex ^(talk) 22:07, 29 June 2006 (UTC)

[edit] Heavy- vs Normal vs Light-Icebreaker definition?

When is a icebreaker a heavy breaker and when is it light? Both Canadian and US icebreakers have been categorized in this way, but no other icebreakers. As far as I could tell this has to do with the Ice Class. Heavy meaning it can handle Ice Class 1A Super (extremely difficult ice-conditions) or just 1A (difficult ice-conditions) and light meaning it can only handle Ice Class II (very easy ice-conditions). I've been unable to find any good sources to confirm this though, but I think it would be nice to definition the Ice Classes.

By merging the above page and this SAFETY OF WINTER NAVIGATION IN THE BALTIC SEA AREA, I've come up with this table. I want to better sources and shrink it down before putting it in though.

Ice Class	Extremely difficult ice-conditions	Difficult ice-conditions	Moderately difficult ice-conditions	Easy ice-conditions	Very easy ice-conditions
Finnish-Swedish Ice Class Rules	IА Super	IА	IB	IC	Category II
Russian Maritime Register of Shipping (Rules 1995)	UL	L1	L2	L3	L4
Russian Maritime Register of Shipping (Rules 1999)	LU5	LU4	LU3	LU2	LU1
American Bureau of Shipping	IАА	IА	IB	IC	D0
Bureau Veritas	IA SUPER	IА	IВ	IC	ID
CASPPR, 1972	А	В	С	D	E
China Classification Society	Ice Class B1*	Ice Class B1	Ice Class B2	Ice Class B3	Ice Class B
Det Norske Veritas	ICE-1А*	ICE-1А	ICE-1B	ICE-1С	ICE-C
Germanischer Lloyd	Е4	Е3	E2	E1	E
Korean Register of Shipping	ISS	IS1	IS2	IS3	IS4
Lloyd’s Register of Shipping	1АS	1A	1B	1C	1D
Nippon Kaiji Kyokai	IA Super	IA	IB	IC	ID
Registro Italiano Navale	IAS	IA	IB	IC	ID

Approximate correspondence between Ice Classes of the Finnish-Swedish Ice Class Rules (Baltic Ice Classes) and the Ice Classes of other Classification Societies —The preceding unsigned comment was added by 212.30.195.50 (talk) 20:18, 21 December 2006 (UTC).

[edit] Polarstern Graph

The graph of the polarstern's longitudional vs lateral graph should be removed. It doesnt seem at all significant... —The preceding unsigned comment was added by Misterboston (talk • contribs) 04:05, 14 March 2007 (UTC).

[edit] Notable Icebreakers section cleanup

The section labelled "Notable Icebreakers" seems less devoted to notable ships and more devoted to simply listing all the ones each country has. I can't see how a ship that doesn't even have its own entry can be terribly notable. If there aren't any strenuous objections, I intend to clean up this section in the next day or two to limit it to truly notable ships, perhaps with a small blurb about each indicating what makes it notable. Kurt 04:23, 10 July 2007 (UTC)

"If it ain't broke don't fix it". With one possible exception, these are all big significant vessels, each unquestionably worthy of an article. That they don't have articles now either means no one has made the effort to dig up sources.

How many true icebreakers are there, worldwide? Probalby less than a hundred. If we include vessels like the USCG ice-breaking tugs and ice-capable freighters? Hundreds. What is the problem with listing a hundred vessels?

Cheers! Geo Swan 08:38, 10 July 2007 (UTC)

If we're going to list every icebreaker in the world, the section title should be 'Icebreakers', not 'Notable Icebreakers', since you can't have every icebreaker worldwide being 'notable'. --Nucleusboy 12:34, 12 July 2007 (UTC)

*shrug* every US President is notable. Icebreakers are nearly as unique. 75.71.37.218 17:21, 2 December 2007 (UTC)

[edit] Split list from article

I'd like to split the list of icebreakers into a separate list article, and add it to Category:Lists of ships. I feel the list of vessels belongs in a list article, the President of the United States article is separate from List of Presidents of the United States for example. If there's no feedback in one week I plan to go ahead with this change. XLerate (talk) 05:34, 27 February 2008 (UTC)