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Submarine Swims Without an Engine

  • Magazine Article
  • TBMG-33412
Published 2018-12-01 by Tech Briefs Media Group in United States

Researchers have developed a new propulsion concept for swimming robots that exploits temperature fluctuations in the water for propulsion without the need for an engine, propellant, or power supply.

Inner Planets Sample Return Missions: The Challenge for Power Systems

European Space Agency-J. E. Haines
Published 1999-08-02 by SAE International in United States
This paper will describe in some detail the results of study work recently conducted by the European Space Agency in respect of a Mercury Sample Return mission. It will also highlight the major design constraints that have been identified for the power systems of such a mission and then go on to summarise the fundamental system level and power supply differences, which would be required for similarly achieving the more challenging Venus Sample/return mission.
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Surface Warship Propulsion-What Causes Change

Ministry of Defence (Procurement Executive), Bath, Avon-C. M. Plumb
  • Technical Paper
  • 834247
Published 1983-01-01 by Institution of Mechanical Engineers in United Kingdom
Changes occur for many reasons. They offer the prospect of making significant improvements but carry with them risk and other penalties. Over the last 160 years there have been several major changes. Historical or new factors could cause future changes and both areas are discussed.

THE XC-142A PROPULSION SYSTEM

LTV VOUGHT AERONAUTICS DIVISION, LING-TEMCO-VOUGHT, INC-Howard F. Carter
Published 1964-01-01 by SAE International in United States
No Abstract Available.
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