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Cyclone and partner set up to expand production of WHE-25 waste heat engines

Cyclone Power Technologies Inc., developer of the all-fuel, Cyclone external combustion engine, announced that its subsidiary Cyclone-WHE LLC and production partner Precision CNC LLC have signed a lease for a new manufacturing facility located in Lancaster, Ohio. This 16,000 s.f. facility has the production and assembly space capable of turning out at least 1,500 Cyclone engines per month, which is Cyclone’s conservative sales forecast for the 10hp WHE-25 waste heat engine (earlier post) over the following three years.

The WHE is a self-starting Rankine cycle engine capable of using low to medium-temperature waste heat sources. Cyclone is targeting WHE systems for applications such as small-scale cogeneration, solar thermal electricity production, biomass combustion, and engines for auxiliary power units for trucks and RVs.

The WHE is derivative of Cyclone’s external combustion Green Revolution Engine. Unlike its more powerful counterpart, the WHE operates in a low-pressure, low-temperature range using waste heat as low as 225 °F (107 °C) and pressure as low as 25 psi (172 kPa). By contrast, the GRE employs super-critical pressure (3,200 psi, 22 MPa) and super-heated steam (1,200 °F, 649 °C).

The heart of the WHE-25 is the 25 in3 (0.4L) engine capable of producing up to 16 hp (12 kW) of mechanical output, which is sufficient to power a 10 kW electrical generator. This means that one engine offers the potential to supply a significant portion of the energy requirements of a home or small commercial facility. Multiple engines in-line or networked can be used to generate greater power output up to about 100 kW.

Connected with an engine exhaust system, such as that on an 18-wheeler, the WHE-25 can substantially boost the overall efficiency and lower overall emissions of the prime mover. The WHE-25 system can be used as an Auxiliary Power Unit, running a truck’s electrical (or refrigeration) requirements of exhaust heat when the vehicle is in motion, and then off a separate gas or propane line when at rest.

The lease, signed by Precision CNC with Cyclone-WHE as a sub-lessee, provides advantageous terms to allow the two companies sufficient time to ramp-up their respective operations prior to the commencement of rent obligations.

Additionally, the landlord under this lease, The Windsor Company, will invest up to $45,000 in improvements and equipment moving allowances, and has requested and received an option to invest up to an additional $100,000 directly into Cyclone-WHE. The Windsor Company, which owns considerable commercial properties in the area, will also work with Precision CNC and Cyclone as both companies expand in the future, to either build out the current space or build a new facility.

We remain on schedule with our partners at The Ohio State University’s Center for Automotive Research to begin this process by the end of this year, and expect to be in full production mode in 2014.

—Christopher Nelson, President of Cyclone and Managing Director of Cyclone-WHE



Not sure if the market is big enough for 1500 waste steam engines / month


One thing's for sure, anyone who buys a WHE as an APU for a truck deserves to lose their business.  Such lousy thermal efficiency is going to suck fuel like crazy; what makes sense with WASTE heat makes no sense otherwise.


Why would it suck any fuel ?


Because if you are using it as an APU, you don't have any waste heat from the engine to drive it.  Didn't you see "separate gas or propane line when at rest" in the article?  If you have ground power, use electric.

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