unmanned free balloon

A nonpower-driven, unmanned, lighter-than-air aircraft in free flight. Unmanned free balloons are classified according to the payload and the number of packages they carry. Light balloons can carry one or more packages with a combined payload of less than 8.8 lb (4 kg); medium can carry two or more packages with a combined mass of 8.8 lb or more; and heavy has a payload with a combined mass of 13 lb (6 kg) or more, or includes a package of 6.6 lb (3 kg) or more, or includes a package of 4.4 lb (2 kg) or more with an area density of more than 1.16 ounces per inch (13 gm/cm²), or uses a rope or other device for suspension of the payload that requires an impact force of 230 N (newtons) or more to separate the suspended payload from the balloon.

单词	unmanned free balloon
释义	unmanned free balloon unmanned free balloon A nonpower-driven, unmanned, lighter-than-air aircraft in free flight. Unmanned free balloons are classified according to the payload and the number of packages they carry. Light balloons can carry one or more packages with a combined payload of less than 8.8 lb (4 kg); medium can carry two or more packages with a combined mass of 8.8 lb or more; and heavy has a payload with a combined mass of 13 lb (6 kg) or more, or includes a package of 6.6 lb (3 kg) or more, or includes a package of 4.4 lb (2 kg) or more with an area density of more than 1.16 ounces per inch (13 gm/cm²), or uses a rope or other device for suspension of the payload that requires an impact force of 230 N (newtons) or more to separate the suspended payload from the balloon.
随便看	chunkiness chunking chunk of change chunks chunk someone chunk storage buffer chun kuk do chunky chunky (disambiguation) chunky to planar chunnel chunner chun rhang yhur jhun chunskii chunta aragonesista chunter chuntered chuntering chunters chunua achebe chuo graduate school of international accounting chuo mitsui trust and banking company, limited bottom fermenting yeast bottom fish bottom fisher