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Juergen,
If I'm correctly understanding what you're asking: Bionic propulsion
is basically a system that mimics the motion of a fish or marine
mammal to create thrust. Some have used piezo effect, some haven't, but I
doubt they will generally move beyond the research level anytime
soon. MIT has had a bionic propulsion research project for some years called
Robotuna. The only operational application I'm aware of was on an AUV or
ROV, and it went well (sorry I don't remember the name). It did have lower
energy consumption than a rotary propeller. At one time I saw a robotic
shark with a camera mounted on it (might have been during Shark Week on
Discovery Channel) that used bionic propulsion.
The most efficient propeller configuration I'm aware of is a Kort nozzle,
however I'll defer to the engineers and others in the group who are much more
knowledgeable.
Cheers,
Jim T
In a message dated 11/19/2010 5:54:53 P.M. Central Standard Time,
dbartsch2236@hotmail.com writes:
I'd love to hear about this one too! | |||||||