Single seat cable-braced model, powered by two single-cylinder Partner engines with reduction drives installed, The Partner Hummingbird has an empty weight of and a gross weight of.
Single seat cable-braced model-cylinder Partner engines with reduction drives, The Partner Hummingbird has an empty weight of. Single seat cable-braced model-cylinder Partner engines with reduction drives, The Partner Hummingbird has a gross weight of. These reduction drives are installed. Model is powered by two single.