fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 Is it for the footings on coastal defence forts like the ones in the thames? Good idea but nope. If it helps this particular installation was intended for a lake. Quote Link to comment Share on other sites More sharing options...
Tony B Posted November 27, 2012 Share Posted November 27, 2012 You said no to minesweeping and de-gaussing ships so why else, except for ilegal fishing do you have electric cables under water? working a chain ferry? Quote Link to comment Share on other sites More sharing options...
N.O.S. Posted November 27, 2012 Share Posted November 27, 2012 (edited) Is it for the footings on coastal defence forts like the ones in the thames? The construction of these is a fascinating story. A brilliant piece of engineering design got them into precise position and upright. Here's a taster, but well worth investigating further. http://en.wikipedia.org/wiki/Maunsell_Forts Maunsell was the Southern Railway engineer responsible for this achievement. I think there is a book on it all but I can't find a link to it. Stupid boy - the books references are in this wiki article :blush: Edited November 27, 2012 by N.O.S. Quote Link to comment Share on other sites More sharing options...
Gordon_M Posted November 27, 2012 Share Posted November 27, 2012 Hmm A sinker for anchorage, and a chamber containing equipment that has two conduit cable rung to the surface ( why two and not one, I wonder ? ) and a horizontal tether of some kind. Maybe an anchorage point for tethering torpedoes to when measuring the thrust and duration of the propulsion system, something like that ? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 You said no to minesweeping and de-gaussing ships so why else, except for ilegal fishing do you have electric cables under water? Well yes get that & the quiz will be solved working a chain ferry?Nope Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 Hmm A sinker for anchorage, and a chamber containing equipment that has two conduit cable rung to the surface ( why two and not one, I wonder ? ) and a horizontal tether of some kind. Maybe an anchorage point for tethering torpedoes to when measuring the thrust and duration of the propulsion system, something like that ? Ingenious but nope. Quote Link to comment Share on other sites More sharing options...
N.O.S. Posted November 27, 2012 Share Posted November 27, 2012 The tank is a moveable Covert Anchor for Marker Light or electrical detecting device on top of conduits above water level. If there is more to the tank than meets the eye, it may contain a generator for the light/equipment? Either that or it is a buoy which can be pulled below the surface whenever necessary (though why is beyond me!). Quote Link to comment Share on other sites More sharing options...
Gordon_M Posted November 27, 2012 Share Posted November 27, 2012 If there is more to the tank than meets the eye, it may contain a generator for the light/equipment? The initial reaction is you'd never put a generator in a chamber like that, but it would explain very neatly why there are two connections - one for air in, and one for exhaust out ..... Putting all that together it could be a submersible vibration, electrical, or signal source to be used for detection instrument calibration / testing ? Quote Link to comment Share on other sites More sharing options...
Redherring Posted November 27, 2012 Share Posted November 27, 2012 I don't suppose it was sunk into Loch Ness? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 The tank is a moveable Covert Anchor for Marker Light or electrical detecting device on top of conduits above water level. If there is more to the tank than meets the eye, it may contain a generator for the light/equipment? Either that or it is a buoy which can be pulled below the surface whenever necessary (though why is beyond me!). Nope none of those, but yes there is stuff inside the tank. But not a generator. There is also stuff floating on the surface connected to the tank. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 The initial reaction is you'd never put a generator in a chamber like that, but it would explain very neatly why there are two connections - one for air in, and one for exhaust out ..... Putting all that together it could be a submersible vibration, electrical, or signal source to be used for detection instrument calibration / testing ? None of those. The stuff on the surface is in a "hut" on a "raft". Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 I don't suppose it was sunk into Loch Ness? Nope more Portsmouth way. Quote Link to comment Share on other sites More sharing options...
Tony B Posted November 27, 2012 Share Posted November 27, 2012 Equipment for PLUTO was it? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 Equipment for PLUTO was it? Nope not that. (If I seem unresponsive to answers, it is because I am wasting time trying to repair the central heating all day & its quite cold!) Quote Link to comment Share on other sites More sharing options...
Tony B Posted November 27, 2012 Share Posted November 27, 2012 And due to get colder!! Brain has frozen anyway. Quote Link to comment Share on other sites More sharing options...
mike65 Posted November 27, 2012 Share Posted November 27, 2012 The under water ones seem to be on a loop out and back. So is it a heating vessel to prevent flying boats getting frozen into a lake. Mike Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted November 27, 2012 Share Posted November 27, 2012 The construction of these is a fascinating story. A brilliant piece of engineering design got them into precise position and upright. Here's a taster, but well worth investigating further. http://en.wikipedia.org/wiki/Maunsell_Forts Maunsell was the Southern Railway engineer responsible for this achievement. I think there is a book on it all but I can't find a link to it. Stupid boy - the books references are in this wiki article :blush: Thanks - I may have to add that to the Christmas list Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted November 27, 2012 Share Posted November 27, 2012 Is it something to do with temperature - the water in the lake heating or cooling liquid passed through the tank? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 The under water ones seem to be on a loop out and back.So is it a heating vessel to prevent flying boats getting frozen into a lake. Mike Interesting thought Mike but nothing like that. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 27, 2012 Author Share Posted November 27, 2012 Is it something to do with temperature - the water in the lake heating or cooling liquid passed through the tank? Nope nothing deliberately to produce a thermal change Lauren. Quote Link to comment Share on other sites More sharing options...
Tony B Posted November 28, 2012 Share Posted November 28, 2012 Something inside a tank, has electrical cables, designed for a lake. Portsmouth mentioned. Anything related to HMS Vernon? Quote Link to comment Share on other sites More sharing options...
ferrettkitt Posted November 28, 2012 Share Posted November 28, 2012 Is it some kind of boom defence for underneath the water? The drawing suggests that it can be moved in any direction once its planted on the sea / lakebed Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 28, 2012 Author Share Posted November 28, 2012 Something inside a tank, has electrical cables, designed for a lake. Portsmouth mentioned. Anything related to HMS Vernon? Yes it has. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted November 28, 2012 Author Share Posted November 28, 2012 Is it some kind of boom defence for underneath the water? Nope The drawing suggests that it can be moved in any direction once its planted on the sea / lakebedYes Quote Link to comment Share on other sites More sharing options...
Tony B Posted November 28, 2012 Share Posted November 28, 2012 OK, that confuses things! HMS Vernon was the Torpedo and mine establishment. Was it a support site for divers? The only other thing that comes to mind is a Foxer.That is a large clanging device that was towed about for distracting acoustic mines and torpedos. Though this is fixed to the lake/sea bed.(Is the Rosie for autograph cokkie that keeps appearing at the tyop of the page a futher attempt to distract?) Quote Link to comment Share on other sites More sharing options...
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