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Hydrophobic Submarine

Few days ago I had posted a question related to Hydrophobic objects on brilliant

I was wondering if Hydrophobic surfaces coupled with even lower level of Supercavitation can have amazing effect on achieving speed for under water travelling.

Look at this 4 minute video about Supercavitation research.

and this "supposed" technology from China

and finally here is the already built stealth version of supercavitation based vehicle

So what do you think about having hydrophobic material to counter massive corrosion that results during supercavitation?

BTW how do you think China might be thinking of achieving Mac2+ speed under water. Apparently creating gas bubble through gases seems impractical. Russians were able to build it at only Missile level.

Note by Vikram Pandya
1 year, 9 months ago

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The hydrophobic object goes faster since it is constantly pushing through the water Nolan H · 1 year, 7 months ago

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What is the effect on total energy of a particle executing SHM,if mass of particle is doubled. Marut Nandan · 1 year, 8 months ago

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