Building a WWII fighter from essentially nothing is a feat all its own. What if I were to tell you that someone is doing the ...

这是二战后美国B-36轰炸机的首架原型机XB-36的主起落架轮胎。这个巨型轮胎直径2.79米、胎宽0.91米、重600千克，单个轮胎的橡胶用量可以制造约60个普通汽车轮胎。为什么使用这个巨型轮胎?答案很简单，这架飞机实在太重了。B-36轰炸机是当时世界上尺寸最大的 ...