长时期以来,美国就试验用水上飞机扑灭森林火灾。不久以前,设计了一种装在飞机浮筒上的铝制水箱,水箱长1.8公尺,直径55公分,容量360公升;能够旋转。水上飞机在水面上行驶10秒钟,就可以经过两个钢管(直径36公分)把水箱灌满。为了便于把水倒出,水箱上面布满了孔隙。使用时,驾驶员在座舱里 Over a long period of time, the United States has experimented with flying waterplanes to put out forest fires. Not long ago, an aluminum water tank was installed on an aircraft buoy, which was 1.8 meters long and 55 centimeters in diameter with a capacity of 360 liters; it was able to rotate. Seaplane on the water for 10 seconds, you can through two steel pipes (diameter 36 cm) to fill the tank. In order to facilitate the pouring of water, the tank covered with pores. When used, the driver is in the cockpit