Wooden propeller Koushiki Type 4 Propeller1925
Yamaha’s woodworking and laminating skills gained attention, and in 1921 the company was commissioned to manufacture wooden aircraft propellers.
The production techniques and machine tools Yamaha accumulated while developing these propellers were later used as a base from which to make motorcycles.
This propeller bears the engraving "November 1922 Made by Nippon Gakki Co., Ltd."
Product Number: 155
Wood Type: Walnut