December 12, 2008: Benchmark RPM Goal Achieved

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The E-Flight design team has reached a major milestone in the development of the E-Flight Electric Powerplant System’s Main Controller Unit (MCU) and Integrated Motor and Switching electronics (IMS). The E-Flight design team has been running the system at high voltage and amperage power inputs with a large bank of lead-acid batteries, simulating power levels to eventually be provided by the aircraft’s Battery Containment Unit (BCU) containing Lithium Polymer batteries.

On December 4, 2008 the E-Flight system was successfully run under load with a test club propeller achieving 2800 RPM, a major benchmark RPM goal demonstrating the MCU and IMS systems’ ability to provide the power necessary for flight (see video, above-right).

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