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Amateur rocket means an unmanned rocket that: ( 1) Is propelled by a motor or motors having a combined total impulse of 889,600 Newton-seconds (200,000 pound-seconds) or less; and. ( 2) Cannot reach an altitude greater than 150 kilometers (93.2 statute miles) above the earth's surface.
Aircraft definition: any machine supported for flight in the air by buoyancy or by the dynamic action of air on its surfaces, especially powered airplanes, gliders, and helicopters.. See examples of AIRCRAFT used in a sentence.
Airplanes synonyms, Airplanes pronunciation, Airplanes translation, English dictionary definition of Airplanes. n. Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
4 de ago. de 2023 · Following are main parts of an airplane: 1. Powerplant. The powerplant comprises of the engine and propeller. This is crucial for aircraft. Its main function is to generate power for the propeller. It also provide electrical power for flight instruments. It helps in cabin heating at high altitudes. In smaller aircraft, the engine was in the front.
Airplane definition: a heavier-than-air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc.. See examples of AIRPLANE used in a sentence.
airplane noun volume_up US /ˈɛrˌpleɪn/ • volume_up UK /ˈɛːpleɪn/ (US) avión (masculine) Monolingual examples The relevant categories for our operations are the weight shift and fixed wing or airplane categories. Australian In this airplane the added weight that the structure required is not worth the trade off. Australian As the wind goes over this house it's kind of almost like ...
复合形式： airplane: 英语: 中文: jet airplane, (US), jet aeroplane (UK), jet plane n (aircraft) SC Simplified Chinese 喷气式飞机 pēn qì shì fēi jī: paper airplane (US), paper aeroplane (UK), paper plane n (plane: folded paper)
