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Hillberg EH1-01 RotorMouse

The Hillberg EH1-01 RotorMouse is an American helicopter that was designed by Donald Gene Hillberg and produced by Hillberg Helicopters of Fountain Valley, California, first flying in 1993. Now out of production, when it was available the aircraft was supplied as a kit for amateur construction.

Design and development
The EH1-01 RotorMouse was designed to comply with the US Experimental - Amateur-built aircraft rules. It features a single main rotor, a two-bladed tail rotor, a single-seat enclosed cockpit with a windshield, skid-type landing gear. The acceptable power range is and the standard engine used is a Garrett AiResearch 36-55 auxiliary power unit (APU). ==Operational history==
Operational history
By 1998 the company reported that one aircraft was completed and flying. ==Variants==
Variants
;EH1-01 RotorMouse :Single seat version, one completed ;EH1-02 TandemMouse :Proposed two seats-in-tandem version to resemble the Bell AH-1 HueyCobra. It was proposed to have been powered by a Solar T-62 turbine engine of . ==Specifications (EH1-01 RotorMouse) ==
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