Cummins introduces latest generation QSK19 Tier 2 marine engine
- Penguin power. // Scholastic SuperScience;Oct97, Vol. 9 Issue 2, p3
Compares the ability of boat propellers and the flippers of a penguin in pushing a boat through the water. Discovery that flippers are more efficient than a propeller.
- The Pod Squad. Dawson, Dudley // Yachting;Jun2001, Vol. 189 Issue 6, p26
Reports on the emerging use of propulsion pods in yachts.
- Supercavitation speeds underwater weapons. Elliott, Louise // Design News;7/2/2001, Vol. 57 Issue 13, p29
Reports on the research being done on the concept of supercavitation to enhance the speed of underwater weapons. Factors to be considered in the development of supercavitation; Mechanism of supercavitation.
- Never ding your props. Barthold, Charles // Yachting;Oct97, Vol. 182 Issue 4, p44
Provides information on water jet propulsion systems. Concept of production boats with water jets; Uses of water jet propulsion systems; Benefits to boats and yachts; Whisperjet and Cummins 315 hp diesels; Potential damage from running aground.
- Sleigh Ride. // MotorBoating;Dec2000, Vol. 186 Issue 6, p56
Evaluates the Aqua Sub submersible propulsion units from Cayman company.
- Cycloidal blade wheel simulates whale tail. LeBlanc, Leonard // Offshore;Feb97, Vol. 57 Issue 2, p30
Reports on the development of a cycloidal blade propulsion unit by the Maritime Research Institute that simulates the movement of a whale's tail. Features of the propulsion unit; Results of tests on the unit in four vessels.
- `Robotuna' makes a splash. // USA Today Magazine;Jun96, Vol. 124 Issue 2613, p3
Focuses on the RoboTuna project spearheaded by Michael Triantafyllou at the Massachusetts Institute of Technology which aims to develop an underwater propulsion system in submarines similar to the swimming techniques and mechanics observed in tuna fishes. Action of underwater vehicles without...
- Scuba scooter. Freeman, J. // Popular Science;Nov87, Vol. 231 Issue 5, p102
An ingenious diver's propulsion unit needs no batteries. Tank air propels you at up to twice normal swimming speed. A look at the Hydrojet underwater unit.
- A Robotic Fish Called WANDA. // Australasian Science;Jul2009, Vol. 30 Issue 6, p12
The article focuses on a robotic fish produced by the University of Wollongong that has the ability to seek out objects of interest in swimming to them. A flexible-joint tail fin is waved using conducting polymer muscles to achieve propulsion. The fish is named Wireless Aquatic Navigator for...