ISO 12217-1 PDF

INTERNATIONAL. STANDARD. ISO. First edition. Small craft — Stability and buoyancy assessment and categorization —. Part 1. Donor challenge: Your generous donation will be matched 2-to-1 right now. Your $5 becomes $15! Dear Internet Archive Supporter,. I ask only. Compliance with ISO , or any stability standard, provides a level of assurance that a vessel will retain its stability if operated within the.

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Discussion in ‘ Stability ‘ started by ConvenorJan 18, Log in or Sign up. This note is to advise you all that this 122171, first published inhas just been fully revised and will be republished very soon. The major changes are: When you get a copy, if you have any queries I would be happy to try and answer them. ConvenorJan 18, Iso This is an attempt to help to complete the information required by ISO I beg a critical analysis of the program, with suggestions for improvement or error detection.

If work in general is interesting, I will continue with the ISO and 3.

Thanks for the help NOTE: You must enable macros. Any update on the release of the version? ABoatGuyFeb 26, We are debugging the first version we have made, the and checking their interest in the market. Depending on public acceptance, we will launch the latest version of ISO-2 and How can we get preliminary version of updated ISO text?

AlikFeb 27, Failing that you can visit http: ConvenorMar 1, I think the ISO is outright dangerous.

Here is a case from real life, this summer. Skipper and two crew go out in an open class C boat. Boat turtles, all three together cannot right her again, crew has a lucky escape swimming to a rock, skipper stays with upturned hull and dies. ISO requires boats to be stable or ‘stiff’, and to carry crew when 12217.

Revision of ISO – Small craft – Stability & buoyancy | Boat Design Net

But then, such boats are often also very stable in the inverted position and then they may turn out to be too stable to be righted again by their crew. I am critical that ISO does NOT make it mandatory that all small sailing boats must successfully perform a practical capsize recovery test for getting a D or C marking.

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Claus RiepeOct 14, In order to respond properly can you please describe the boat to which you refer? Is it sailing or non-sailing? Does it have any form of decking or cabin? Secondly, which assessment option is the basis of your comment? Thirdly, are you using the edition of the standard or the version? It makes a difference! Given the data above I will respond in more detail.

ConvenorOct 14, Convenor, I refer to the version of ISO -3, and To be honest, until today I did not know about the version, nor did I work it through. But what I have seen of the version does not make a real difference with regards to my case.: Builders of small sailing boats still can opt out from practical capsize recovery testing.

The boat which perished was an undecked sailing boat of 19 ft. LOA, also fitted for rowing and motoring, conceived in the seventies. Very popular, thousands sold. With the advent of RCD the boat was not structurally redesigned for ISO, only former storage compartments were filled with in-situ foam to improve flotation. I suppose that did improve the swamped boat stability and crew carrying properties but I think that this at the same time completely ruined the previous capsize recovery ability.

I do not know whether this boat was subsequently ever properly tested at all under any of the ISO options, as you know Categories D and C are merely self-declared by the manufacturer, and do not require a third party assessment and confirmation. BTW, there is not a single reference on the Internet that this boat has ever been subjected to an Option 7 capsize recovery test, nor to any other alternative test option.

I do not agree.

I think at the very least all open sailing boats must be subjected to the practical capsize recovery testing of Option 7. It is always sad and depressing when people die on boats, or cars or planes. But I note that the boat was designed in the ‘s and that thousands were sold. Is this the first fatality with this boat, or does it have a very bad record? I believe the owners manual should include an explanation of the righting method? If so then at least one boat should have been capsized and re-righted by the crew alone What were the circumstances of the capsize?

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Richard WoodsOct 15, Richard, this thread is about ISOand I do not want it go off topic discussing this particular accident, weather conditions and what the crew may or may not have done wrong.

As this was a fatal accident, there is a public investigation under way, and sooner or later the official findings will be made public.

This standard stipulates that boats must be very stable and buoyant when swamped, but thus inherently also causes inverted boats to be very stable in that position, rendering uprighting attempts by the crew fruitless. And at the same time, the standard does not force the builder or manufacturer to carry out any practical capsize recovery testing prior to marking their boats “D” or “C”.

I find that idiotic and outright dangerous. Claus RiepeOct 16, Claus, regarding capsize recovery test, I think any 6m dinghy is almost impossible to recover by crew of There are tick as fixing the balloons and other ‘sex toys’ on mast top, but once removed by the crew it will create the same problem.

I believe that boats used for children should pass this recovery test; other boats should have it as option only. Absolute safety is not possible! AlikOct 16, You must log in or sign up to reply here.

Revision of ISO 12217 – Small craft – Stability & buoyancy

Rabah Apr 9, Boat Design Net Moderator Sep 6, Alik Jul 1, Loading conditions for ISO pavelDec 19,in forum: ISO Hydromax brissybenNov 5,in forum: Forum posts represent the experience, opinion, and view of individual users. Isso Design Net does not necessarily endorse nor share the view of each individual post.

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