ditchcrawler Posted February 27, 2020 Report Share Posted February 27, 2020 Well it looks as even the experts can get it wrong when they design boats, this one in Spain is only 70 tons over the top https://o.canada.com/news/spain-builds-submarine-70-tons-too-heavy Link to comment Share on other sites More sharing options...
dmr Posted February 27, 2020 Report Share Posted February 27, 2020 If its too heavy now its going to right in trouble in a few years time when it gets a bit of oveplating done. .............Dave 1 1 Link to comment Share on other sites More sharing options...
Machpoint005 Posted February 27, 2020 Report Share Posted February 27, 2020 Is it really too heavy, or are the buoyancy tanks just not big enough? Perhaps Archimedes could have helped ... Link to comment Share on other sites More sharing options...
ditchcrawler Posted February 27, 2020 Author Report Share Posted February 27, 2020 13 minutes ago, Machpoint005 said: , or are the buoyancy tanks just not big enough? Perhaps Archimedes could have helped ... I am sure RCR could lend them some Link to comment Share on other sites More sharing options...
cougie Posted February 27, 2020 Report Share Posted February 27, 2020 I think that error was compounded by then managing to build the dock to the wrong dimensions too ? ? Link to comment Share on other sites More sharing options...
TheBiscuits Posted February 27, 2020 Report Share Posted February 27, 2020 Heh. That takes me back ... http://bbcmicro.co.uk//jsbeeb/play.php?autoboot&disc=http://bbcmicro.co.uk//gameimg/discs/2845/Disc999-Subsunk.ssd Link to comment Share on other sites More sharing options...
BilgePump Posted February 27, 2020 Report Share Posted February 27, 2020 4 hours ago, ditchcrawler said: Well it looks as even the experts can get it wrong when they design boats, this one in Spain is only 70 tons over the top https://o.canada.com/news/spain-builds-submarine-70-tons-too-heavy It was only when I got got halfway through the story I realised it's from 2013. Did they stretch it? Link to comment Share on other sites More sharing options...
ditchcrawler Posted February 27, 2020 Author Report Share Posted February 27, 2020 8 minutes ago, BilgePump said: It was only when I got got halfway through the story I realised it's from 2013. Did they stretch it? Yes, sorry about that Link to comment Share on other sites More sharing options...
BilgePump Posted February 27, 2020 Report Share Posted February 27, 2020 2 minutes ago, ditchcrawler said: Yes, sorry about that Don't worry. Interesting. Wondered what the solution was. Googled Isaac Peral and was educated https://en.wikipedia.org/wiki/Spanish_submarine_Peral Will leave Mike and Peter to argue over the trajectory of electric propulsion Link to comment Share on other sites More sharing options...
MtB Posted February 27, 2020 Report Share Posted February 27, 2020 5 hours ago, dmr said: If its too heavy now its going to right in trouble in a few years time when it gets a bit of oveplating done. .............Dave Funny you should say that. I was wondering if they should email Kedian. He would prolly stretch it by 12ft for about £20k, which should sort out the problem a treat. Plus docking charges, obvs...... Link to comment Share on other sites More sharing options...
dmr Posted February 27, 2020 Report Share Posted February 27, 2020 1 minute ago, Mike the Boilerman said: Funny you should say that. I was wondering if they should email Kedian. He would prolly stretch it by 12ft for about £20k, which should sort out the problem a treat. Yeah, but he would insist on fitting a side hatch at the same time and the sea would leak in. ................Dave 1 Link to comment Share on other sites More sharing options...
MtB Posted February 27, 2020 Report Share Posted February 27, 2020 1 minute ago, dmr said: Yeah, but he would insist on fitting a side hatch at the same time and the sea would leak in. ................Dave Not if he fitted some seals too.... Link to comment Share on other sites More sharing options...
Tim Lewis Posted February 28, 2020 Report Share Posted February 28, 2020 10 hours ago, BilgePump said: It was only when I got got halfway through the story I realised it's from 2013. Did they stretch it? It would appear so, from Wikipedia: "In May 2013, Navantia announced that a serious weight imbalance design flaw had been identified which will delay the delivery of the first submarine to the Spanish Navy until possibly 2017.[15] Lengthening the submarine created additional buoyancy.[16] Navantia signed on the US company General Dynamics Electric Boat to help solve the excess weight.[17] In September 2014, the detected overweight was reported to have been resolved and the construction work to be ready to resume in late October 2014.[18] In November 2014, Navantia again reported having completed the redesign work to address the problem of overweight. In all, the hull will be lengthened by seven metres, and the displacement increased by 75 tons. As of January 2018, the intended delivery date of the first submarine is September 2022" 1 Link to comment Share on other sites More sharing options...
zenataomm Posted February 28, 2020 Report Share Posted February 28, 2020 I recall Spain buying a Harrier VTOL during the early 70s During a naval review in front of Franco they landed it on their wooden decked WWII carrier. It didn't stop until it reached the bilges. Around that time they had a German U Boat they had confiscated 30 years previously after its crew scuttled it up a beach. It joined the Spanish Navy as its only submarine. During its new life it never once went back under, nobody was quite sure how it worked or was brave enough to give it a try. It just poddled around in circles on important days. 3 Link to comment Share on other sites More sharing options...
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