After the failure of the CJC-1A, Major General Chia-Jen Chu began on the second model.  There was the addition of two transparent panels at the lower end of the “Humming Bird Model A.” This change was made in 1945. In July 1948, he spent four months completing the fabrication of the CJC-1B “Hummingbird Model B”.

Source:  Virasak, Jacques.  "The First Chinese Tandem Helicopter Designed by Major General Chia-Jen Chu of RoCAF".  Published by AHS International History Committee.  Page 2.

Overview

Data on design, manufacture and status

Design authority: RoCAF 3rd Aircraft Factory

Primary manufacturer: RoCAF 3rd Aircraft Factory

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 2 in Coaxial configuration

Crew required: 1 in Single seater arrangement

Landing gear: Wheels (non-retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

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