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Raytheon Awards R&D Contract to Cyclone Power Technologies

The Raytheon Company has awarded a research and development contract to Cyclone Power Technologies, Inc. in connection with its external combustion engine.

Raytheon’s contract is to conduct a series of developmental tests on the Cyclone Engine, which can run on a multitude of fuels and is scalable to almost any size. Engine development and thermodynamic performance testing will occur at Cyclone’s research facility in Florida over the following months. Raytheon is providing funding, equipment and personnel to the project.

The Cyclone engine modifies the traditional Rankin cycle steam engine to deliver the use of super-critical pressure (3,200 psi) and super-heated steam (1,200° F)—normally found in high-efficiency electrical power plants—in an efficient, compact package. (Earlier post.)

The company is also developing a lower-pressure, low-temperature derivative of its basic engine. (Earlier post.)

We see great potential in the Cyclone Engine for many of our customers’ applications. We are intrigued by the engine and look forward to working with Cyclone.

—Kevin P. Bowen, Engineering Fellow, Advanced Technology Vehicle and Sensor Systems at Raytheon

Raytheon specializes in defense, homeland security, and other government markets throughout the world.



Way to go CPT! Generating interest with a company like Raytheon isn't exactly trivial. I hope to see the Green Revolution Engine in numerous products in the next few years.


When you get an auto company that is expert in the field of powerplants, you are on the road to production.

Oh wait, "Raytheon specializes in defense, homeland security, and other government markets ..". And gullibility.


there are many military applications... hopefully, if the testing pans out it will be followed by orders.

What is the durability of these steam engines?


Raytheon likes it for military because of its power to weight ratio. If they can get it to be as durable as a diesel engine, then it could supplant them for field generators.

Sure auto companies are expert in the field of powerplants, but the acceleration and deceleration characteristics of this engine may require entire driveline optimization to make it worth the effort.

Auto companies also hate paying royalties and they have "not invented here" syndrome.

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