The Brown-Young BY-1, also called the Columbia Sesquiplane and the Model 2, was a prototype sesquiplane from Columbia Aircraft Co. == Design and development == Richard E. Young was the inventor of Spiralloy, a directional glass fibre composite material used in high-strength applications.
The Brown-Young BY-1, also called the Columbia Sesquiplane and the Model 2, was a prototype sesquiplane from Columbia Aircraft Co. == Design and development == Richard E. Young was the inventor of Spiralloy, a directional glass fibre composite material used in high-strength applications.
Source: Wikipedia "Brown-Young BY-1" · CC BY-SA 4.0
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