Is a stainless steel boat possible?

Discussion in 'Materials' started by hansp77, May 2, 2006.

  1. Geckert
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    Geckert New Member

    I would think that the brittleness of the welds you will be making will seriously affect the seas that a vessel made of stainess would take. I would think a nice calm river would be fine but an ocean going vessel would be doomed. Just the total lack of stainless being used on a structural level should tell you a few things. I would believe the welds would go. JMO
     
  2. StianM
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    StianM Senior Member

    I'm not to happy about welding stainless steel.

    And it's exspensive.

    If you want a stainles boat yes it's posible.
     
  3. RANCHI OTTO
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    RANCHI OTTO Naval Architect

    This boat has been built using stainless steel...
    6 x 275 hp = 60 knots
     

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  4. Could be very interesting to know "WHY" was built in SS also to undestand the reason of the 6 troubles.
     
  5. Figgy
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    Figgy Senior Member

    Well, he wasnt trying to save money.
     
  6. for sure was able to loose.
     
  7. Wellydeckhand

    Wellydeckhand Previous Member

    They have thought a SS boat will last forever....... will see..... last but with not that shiny after long term of expose to salty water.
     
  8. FAST FRED
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    FAST FRED Senior Member

    Monel works really well in water.

    FAST FRED
     
  9. RANCHI OTTO
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    RANCHI OTTO Naval Architect

    It was upon a time two friends, one from Italy and the other one from Spain.

    The italian has an idea..to design an innovative hull shape that he named ASD(Arrow System Design) and to test it at high speed..

    The spanish was the owner of a small shipyard with a dream...to build the fastest boat of Galicia...and when he seen the plans....he fallen in love.

    He had in stock some rolled ss.....the ob engines were bought second hand.

    Two dreams realized at the same time....

    The boat reached a top speed of 60 knots in Atlantic Ocean

    The boat was sold 2 days after...

    This is why ss, no question of money but...a question of dreams...
     
  10. RANCHI OTTO
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    RANCHI OTTO Naval Architect

    My first ASD boat at 60 knots..
     

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  11. Figgy
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    Figgy Senior Member

    Why six engines. Were they just lying around? Why not one big engine?
     
  12. RANCHI OTTO
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    RANCHI OTTO Naval Architect

    I presume was a question of cost and to simplify the costruction.
    I need 1650 hp abt. in order to reach 60 knots.
    Putting 1 engine with waterjet or surface piercing propeller or even racing stern drive the cost jumps in the clouds...and the weight at the same time. (I doesn't like to install 1 engine on high speed craft!)

    So in order to simplify the construction and to reduce the cost, my friend bought 6 second hand engines each with 275 hp abt.

    I designed a floating system structure on the bottom to save weight and at the end the starting target has been reached.

    This was my first ASD boat, the sea trial results officialy recorded were :

    2 engines > 34 knots
    4 engines > 40 knots
    6 engines > 60 knots

    As said the boat was sold 2 days later .....:(
     
  13. RANCHI OTTO
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    RANCHI OTTO Naval Architect

    If you put 1 engine in the boat you have to install:

    engine, cardan shaft, propulsion system, lub.oil tank, engine feeding plant, cooling system, forced ventilation, sea chest, exhaust and manifold, CO2 plant, insulation, silent blocks, electrical panel, electrical cables..etc.

    I'm forgetting surely somethings :confused:
     
  14. CORMERAN
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    CORMERAN Junior Member

    I belive that the German NAVY built a mine sweeper out of stainles steel.
    This does have a certain Teutonic logic to it..........
     

  15. Now it is more clear. Maybe SS also to reduce weight instead of normal steel? Another question, how thick the SS plates and much was (is) the weight?
     
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