Indicators on هواپیما You Should Know
حمل بارهای فلهای بیشتر از ۳۲ کیلومتر میتواند مقرون به صرفه باشد.If the obtainable motor electric power improved in the nineteen twenties and 30s, wings might be manufactured large and powerful adequate that bracing wasn't required any more. This sort of unbraced wing is called a cantilever w