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CKA Uber
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PostPosted: Sat Dec 05, 2015 9:26 pm
 


... And that was on a much better founded vessel than the one above ...


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PostPosted: Sun Dec 06, 2015 11:44 am
 


$1:
Smith is a former chief engineer in the navy and once chaired the Canadian Institute of Marine Engineering. He said stability is one of the fundamental considerations of ship design. Questions about weight, centres of gravity and the ability of a vessel to right itself in various environments are not minor and are never left to the final design stages.


I trust they aren't designing this feature into the ship as self righting vessels have to be tippy by nature. I wasn't aware they could even consider having that feature on a vessel this size but that would explain a massive superstructure.


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PostPosted: Sun Dec 06, 2015 2:16 pm
 


ccga3359 ccga3359:
$1:
Smith is a former chief engineer in the navy and once chaired the Canadian Institute of Marine Engineering. He said stability is one of the fundamental considerations of ship design. Questions about weight, centres of gravity and the ability of a vessel to right itself in various environments are not minor and are never left to the final design stages.


I trust they aren't designing this feature into the ship as self righting vessels have to be tippy by nature. I wasn't aware they could even consider having that feature on a vessel this size but that would explain a massive superstructure.

This indicates to me that the designer's last (and maybe only) commission was self-righting life boats. That may actually be true in this country, whee we design vessels like this so infrequently that we have to relearn how to do it each time. The warships are going to be a real boondoggle, as it has been a full generation since we designed a class of warships and there has been no continuity among the Naval Architects. We should either give it up and buy off the rack or be serious about maintaining a state-of-the-art Navy.


Last edited by Jabberwalker on Sun Dec 06, 2015 4:43 pm, edited 1 time in total.

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PostPosted: Sun Dec 06, 2015 3:28 pm
 


For self righting rescue cutters we do. The CCG use the USCG 47 footers (possibly built in Canada under license) after replacing the venerable 44 footers.


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PostPosted: Sun Dec 06, 2015 3:30 pm
 


Jabberwalker Jabberwalker:
This indicates to me that the designer's last (and maybe only) commission was self-righting life boats. That may actually be true in this country, whee we design vessels like this so infrequently that we have to relearn how to do it each time. The warships are going to dpbe a real boondoggle, since it has been a full generation since we designed a class of warships and there has been no continuity among the Naval Architects. We should either give it up and buy off the rack or be serious about maintaining a state-of-the-art Navy.



My dad on purpose kept me out of following him, said Naval Architecture was already dead
in Canada. And that was 30 years ago.

This is part of the problem when we have such a half assed approach to our shipping industry.

Everyone loses knowledge and experience, either by age or changing career paths, from
guys loading pig iron all the way up to senior managers. Including the draftsmen.

Constant disappointment, looking back I think the old man did me a favour.


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PostPosted: Sun Dec 06, 2015 3:40 pm
 


martin14 martin14:
Jabberwalker Jabberwalker:
This indicates to me that the designer's last (and maybe only) commission was self-righting life boats. That may actually be true in this country, whee we design vessels like this so infrequently that we have to relearn how to do it each time. The warships are going to dpbe a real boondoggle, since it has been a full generation since we designed a class of warships and there has been no continuity among the Naval Architects. We should either give it up and buy off the rack or be serious about maintaining a state-of-the-art Navy.



My dad on purpose kept me out of following him, said Naval Architecture was already dead
in Canada. And that was 30 years ago.

This is part of the problem when we have such a half assed approach to our shipping industry.

Everyone loses knowledge and experience, either by age or changing career paths, from
guys loading pig iron all the way up to senior managers. Including the draftsmen.

Constant disappointment, looking back I think the old man did me a favour.


I agree just imagine if the HMCS Bras d'Or had been allowed to develop in the 60's Image


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PostPosted: Sun Dec 06, 2015 4:53 pm
 


ccga3359 ccga3359:
martin14 martin14:
Jabberwalker Jabberwalker:
This indicates to me that the designer's last (and maybe only) commission was self-righting life boats. That may actually be true in this country, whee we design vessels like this so infrequently that we have to relearn how to do it each time. The warships are going to dpbe a real boondoggle, since it has been a full generation since we designed a class of warships and there has been no continuity among the Naval Architects. We should either give it up and buy off the rack or be serious about maintaining a state-of-the-art Navy.



My dad on purpose kept me out of following him, said Naval Architecture was already dead
in Canada. And that was 30 years ago.

This is part of the problem when we have such a half assed approach to our shipping industry.

Everyone loses knowledge and experience, either by age or changing career paths, from
guys loading pig iron all the way up to senior managers. Including the draftsmen.

Constant disappointment, looking back I think the old man did me a favour.


I agree just imagine if the HMCS Bras d'Or had been allowed to develop in the 60's Image

I used to walk by her and wonder. She was laid up on dry land on a cradle beside the Synchrolift in Halifax by then and she looked like an abandoned yacht. I suppose this exactly what she was. Truth is, though, that an antisubmarine craft that goes seventy knots is not nearly as effective as a Sea King helicopter flying off of this quarterdeck of a destroyer. That, by the way, was also invented and pioneered by the RCN and now almost every warship on earth follows the Canadian experiment. I suppose that it also rendered the Bonaventure obsolete, as well. Putting big helicopters on small warships was a brilliant breakthrough and the aircraft are arguably more powerful than the ships that carry them ... for antisubmarine warfare, anyway.


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