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  1. mbridger

    Deepwater Bathymetry

    You could try Subsea 7 in Aberdeen they have their own build ROVS There are many operators in the Gulf of Mexico the biggest being Oceaneering of course. Have a look at the IMCA website (international Marine Contractors Association. They will list all the ROV members there.
  2. mbridger

    Engineering Estimates

    The only thing I can recall was an article in the Marine Engineers review many years ago which compared many dry docking budgets against cost and came up with some stats. The only one I remember (and it is probably innacurate now) was that the majority are 20% over buddget due mainly to...
  3. mbridger

    yachtbuilder needs HELP!

    I too have just started with auto cad light and I can recommend the following, spend a couple of hours going throught the tutorial that came with the package it has a follow me type learning system. When you are bored with that then try and start your own drawing. The best tip I can give you is...
  4. mbridger

    Sub sea system

    This sort of gear is used by the likes of Haliburton, Stolt Comex etc you could try TD williams in the states???
  5. mbridger

    Use of inert gas to stop acid corrosion in cargo tank vapour space

    The only exception to tha above two comments is by use of an inert gas generator which utilises the reverse osmosis principle to produce pure nitrogen (in stages from 5%O2 downwards) This may would displace a lot of the H2s however further boil off from cargo could mix with the N2 but I cannot...
  6. mbridger

    How can I make people to breath under the ocean?

    Co2 scrubber systems remove the CO2 by use of "soda sorb" and simple fridge systems remove the waterby condensation. Atmosphere control is extremely important for people breathing compressed gasses.
  7. mbridger

    More effective - bow thrusters or stern thrusters?

    In 30 years I have never seen a vessel with a stern thruster and no bow thruster presumably because most boat handlers can coax some rear lateral movement out of the craft by use of the props residual side thrust and flow across the rudder. In improving the manouverability of several vessels we...
  8. mbridger

    Heavy fuel oil system parameters

    System design would depend largely on the requirements of the consumers and the quality of HFO supplied in the first case. Systems have ranged from those with mixers and re homoginisers to those that simply take their suction above the tank bottom....Again Piping diameter and fuel velocity will...

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