Does China build its own fighter jets?
China is reportedly building its third and more advanced aircraft carrier at Shanghai’s Jiangnan Shipyard, which is expected to be launched and commissioned in the 2020s. A more advanced fighter jet could greatly enhance the carrier’s combat capability, analysts said.
Do China have jet engines?
Chinese-made civil aircraft, including the C919, currently use foreign engines but the country has been trying to develop a home-grown alternative as it seeks to cut its dependence on foreign sources of sophisticated technology.
How are jet engines so reliable?
The main reason jet engines are so reliable is that they have far fewer moving parts that rub against other things than any other type of engine. Sliding friction involving main crank bearings, connecting rod bearings, and at the cylinder wall/piston ring interface present is absent in jet engines.
Who invented jet engines?
Who bought Motor Sich?
In 2017 China’s Beijing Skyrizon Aviation purchased a 41% holding in Motor Sich, but in September 2017 a Ukrainian court froze the holding for national security reasons.
Is Crimea an island?
Crimea is almost an island and only connected to the continent by the Isthmus of Perekop, a strip of land about 5–7 kilometres (3.1–4.3 mi) wide.
Why are jet engines so inefficient?
The main contributors to the inefficiencies in our big-bore engines is higher friction due to more ring contact area, and the biggest running rich of the stoichiometric air/fuel ratio to cool the engines and make sure one cylinder is not running lean.
Do planes go faster at higher altitudes?
The air gets thinner higher up as the density decreases, so air resistance is lower at higher altitudes. This means that an aircraft can fly faster and use less fuel at increased altitudes.
What distance is safe to avoid jet blast?
Where is the safest place to sit on a plane if it crashes?
A middle seat at the back of a plane was found to be the safest, with a 28 per cent mortality rate – compared to the worst, an aisle seat in the middle of the cabin, which has a mortality rate of 44 per cent.