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09:14 Dec 4, 2016
This question was closed without grading. Reason: No acceptable answer
English to Russian translations [PRO] Tech/Engineering - Ships, Sailing, Maritime / Движительные системы
English term or phrase:looped feedback propulsion
An example of a watercraft propelled by the apparatus is illustrated in FIG. 12. The oscillating propulsors 1220, driven by motors Ml, M2 reciprocate up and down, taking in water, accelerating it and ejecting the same rearwards of the watercraft; this water ejection imparts a reaction propulsive momentum to oscillating propulsors 1220 and the craft to which they are attached. The direction of water ejection is shown by the bottom arrows; the craft's direction of travel is opposite that of water ejection, as shown by the top arrow. Oscillating propulsors may be arranged in a tandem or multi-stage system as shown in FIG.12; in one embodiment the foremost placed propulsor 1220d acts as a first stage fluid accelerator for the aftmost propulsor 1220e. Propulsion is enhanced and speed of the craft increases, which results in a loop feedback on fluid ejection velocity and so on. Craft's velocity increases steadily, limited mostly by available power and drag.
A multistage oscillating propulsor assembly, particularly adapted for looped feedback propulsion, comprising:
an actuating member,
a plurality of the apparatus of claims 1 or 13, securely connected to the actuating member in a tandem arrangement, whereby fluids ejected from one of the plurality of the apparatus is directed to the intake of another of the plurality of the apparatus, thereby multiplying the speed and thrust of the fluids ejected.