Is an AC or DC motor better?
AC motors are generally considered to be more powerful than DC motors because they can generate higher torque by using a more powerful current. BLDC motors are a newer type of motor that combine the best features of both DC and AC motors. They operate by using a permanent magnet rotor and an electronic controller to switch the current in the motor’s windings.
Can a helicopter fly 2000 km?
Average Range of Helicopters Here’s a general overview: Most helicopters: Average range of 250 to 500 miles (400 to 800 kilometers) on a single tank. Piston-engine helicopters: Typically 200-350 miles (320-560 kilometers) Gas-turbine-powered helicopters: Approximately 300-450 miles (480-720 kilometers) Typical Flight Distance Helicopters can usually fly for 2. However, this varies significantly based on the helicopter’s type, size, and other factors.Key Takeaways. Most helicopters can fly between 250 and 450 miles on a single tank of fuel, though this depends heavily on factors like engine type, payload weight, and fuel efficiency.How long can a helicopter fly? Most helicopters are designed to fly around 2,5 hours with a full tank of fuel excluding reserves. In general, helicopters can fly between 500 km and 750 km on one tank of fuel.The maximum altitude which can be reached during forward flight typically depends more on the ability of the engine to breathe the thinner air than the rotor’s ability to provide lift. Turbine-engined helicopters can reach around 25,000 feet.
What kind of motors do helicopters use?
Turboshaft engines are commonly used in applications that require a sustained high power output, high reliability, small size, and light weight. These include helicopters, auxiliary power units, boats and ships, tanks, hovercraft, and stationary equipment. Many aircraft use a form of the gas turbine engine to produce power for thrust. These engines are normally the turboprop, turboshaft, turbofan, and a few turbojet engines.Jet fuel is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines. It is clear to straw-colored in appearance. The most commonly used fuels for commercial aviation are Jet A and Jet A-1 which are produced to a standardised international specification.Jet-A is essentially an extremely high-quality diesel fuel, and indeed running a typical automotive diesel engine on Jet-A is likely possible.