On November 24, 2020, the chang’e-5 lunar probe was successfully launched at Wenchang space launch site in China. At present, it has completed two orbit corrections, two near moon braking, and controlled separation of orbital return assembly and landing assembly. Chang’e-5 is scheduled to make a soft landing on the front of the moon on […]
Articles Tagged: Engine
But musk, founder of SpaceX, said the mission was a success
On December 9, local time, SpaceX prototype SN8 made another test flight in Texas. The altitude of this flight was about 40000 feet (12000 meters), which was first driven by three Raptor engines newly developed by SpaceX. The report said that when it tried to land after six minutes of flight, it exploded due to […]
Long March 8 launch vehicle successfully launched
The reporter learned from the National Space Administration that at 12:37 on December 22, the first flight test of China’s independently developed new generation medium-sized carrier rocket, Long March 8, was successfully carried out at China’s Wenchang space launch site. The rocket flew normally and the test was a complete success. The Long March 8 […]
Can fuel power cells lead the future development of new energy vehicles?
With fuel power cell as the power source of automobile, the chemical reaction process of fuel power cell will not appear harmful products, so fuel power cell vehicle is pollution-free vehicle, the energy conversion efficiency of fuel power cell is 2 ~ 3 times higher than that of internal combustion engine, so from the aspect […]
Dahua view intelligent engine provides more intelligent possibilities for user scenario application
The security industry has experienced the development stage of “see, see clearly, see completely, understand”. Intelligence has become the main theme of the industry, and the intelligent Internet of things with video as the core is all over the city. However, there are still many problems in the construction process of large-scale projects such as […]
Lightning protection of communication interface in avionics application
By Richard anslow brief introduction Lightning strike is a common phenomenon in jetliners, which occurs about every 1000 flight hours. Do-160g standard environmental conditions and test procedures for airborne equipment is the environmental test standard for avionics hardware. Many aircraft manufacturers have designated do-160g section 22 “lightning induced transient sensitivity” as the requirement of key […]
Japan to launch the world’s first wooden satellite in 2023
Making satellites out of wood seems like a brain opening, but maybe it will come true in the future. In order to effectively solve the problem of space waste, Kyoto University and Sumitomo Forestry Co., Ltd. will cooperate to make a satellite from wood within three years, foreign media reported. As we all know, a […]
Skyways develops self folding wings for group 3 UAV system, which is convenient for storage on ships
Skyways, based in Austin, Texas, is developing self folding wings for its group3 UAV system after being selected into the U.S. Navy’s ocean logistics UAV system (UAS) program. On November 30, 2020, Charles acknin, founder and CEO of skyways, said the company’s goal is to enable the group 3 vertical take off and landing (VTOL) […]
What structure is the power system of micro UAV composed of
At present, piston engine system is widely used in large, small and light UAVs. For the sake of cost and convenience, electric power system is widely used in micro UAV. Electric power system is mainly composed of power supply, power motor and speed regulation system. 1 power supply The power supply mainly provides electric energy […]
Design of speed monitoring system based on FLex10K series CPLD chip
1 Overview The speed data is one of the important signs of the operation condition of hydro generator unit. The function of the monitoring device is to accurately measure the speed of the unit and timely carry out various necessary control operations according to the change of the speed, so as to ensure the normal […]