Location: Amsterdam High-Speed Waveless Boat (save 50% energy!) If a boat is running at high speed in a river, it will produce huge wave and disturbed the tranquility of the shore.
Here is my design (Fig.3), the screw propeller of waveless boat is fixed at the front of the boat, when the boat is running, the screw pulls the water into the duct that covered at bottom of the boat, and pushes the water through the duct. If the current boat has 100 horsepower (see Fig.1), and running at high speed, the front resistance is about 80 horsepower, the tail resistance is 10 horsepower and the frictional resistance is 10 horsepower. Location: Amsterdam She is my dream She is my dream, do not say he please! Location: netherlands waves disturbing the shore are hullspeed displacement waves, once on plane a speed boat makes little waves. Location: Amsterdam waves disturbing the shore are hullspeed displacement waves, once on plane a speed boat makes little waves.
Location: Michigan To limit water surface disturbance you must limit surface contact area. Submerged foils of a Hydrofoil may do this, but not as well as a SES (surface Effect Ship) or Hovercraft.


Location: Florida Waveless Boats People have been building waveless boats for years. Location: Amsterdam All these craft lift the body out of the water in all or in part.
Originally Posted by waveless All these craft lift the body out of the water in all or in part.
I also have designed a high-speed submarine that is like a dolphin, the dolphin submarine can flying on the surface of the water, and dive into the water.
Hull coefficient » Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Search this Thread Advanced Search Similar Threads Thread Thread Starter Forum Replies Last Post Are we making any real design improvements?? When making potentially dangerous or financial decisions, always employ and consult appropriate professionals.
A modern lightweight fuel-efficient re-statement of the fast seaworthy long-range power cruiser.
By the way, interesting idea you have - looks like a flow tunnel but not quite as efficient as a ducted propeller feed.


The fexible skirts may come in contact with waves, but they give in, the full impact of a hard hull does not take place. The aweless boat can run at high speed without wave, it can save 50% energy or increase 50% speed.
The craft tends to flatten out any wake with an area or curtain of pressurized air captured under the craft. The faster a hovercraft goes the less time the pressure is over one area, the less the wake.



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