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Ultralight Helicopters

How to build a ultralight helicopter?

I need a new project, Ive already built 1 car out of scratch A motorized Bicycle a big model airplane, A Air powered lift, Now I want to build a ultra light helicopter. Where is a site I could learn how helicopters work, OR could you give me ideas on how it could be done. Don't doubt my skills on building stuff, Because trust me I can build ANYTHING, I just need to know how them things work and how much am I looking at to design and build on myself. I'm always up for learning something new. I knew how airplanes work, But I have no clue how helicopters work or ultralights ( IDK if there is any difference) Just explain. No I'm not wanting something to fly across the country in or anything I just want something that will get off the ground. and if at all possible EXPLAIN to me how it works or what Id need to make the Rotors and stability control out of. and don't give me sites if all possible

Helicopters are quite complicated and very intense. The rotor is composed of two or more rotor blades (airfoils) which independently pivot to change the angle of attack of each blade. The trailing edge of each blade is attached to a "swash plate" with a ball-jointed connecting rod. One mechanism raises and lowers the swash plate to increase or decrease the pitch of all the blades. This is attached to the "collective" stick operated by the left hand with a twist grip throttle. Another mechanism tilts the swash plate to increase the pitch of the blades on one side while decreasing the blade angle of attack on the other side. This controls the bank angle of the helicopter. During forward flight, the "advancing" blade on one side of the helicopter has a speed through the air equal to the sum of the rotor speed and the forward speed of the helicopter. The "retreating" blades on the other side have an effective air speed equal to the rotor speed minus the helicopter air speed. The blades on left and the right sides have very different air speeds yet they must produce the same lift so the blades must be pitched down (less angle of attack) on the advancing side and pitched up (more angle of attack) on the retreating side. So, as the rotor turns, the blades are continuously changing pitch. In addition, any changes in power settings produce a different amount of torque into the rotor which requires a change in the angle of attack of the blades of the tail rotor, which is controlled by the foot petals. A much simpler project would be to build a gyrocopter. These also have a rotor instead of a wing but the rotor is unpowered and therefor the control system is much less complex. Gyrocopters need to take off on a short runway but they can land on a dime. I suggest you buy a kit from a reputable company and follow the instructions. Gyrocopters are much cheaper and easier to build than airplanes because you don't have to build the wing. It's kind of like the difference between a car and a motorcycle. Gyrocopters are smaller and don't carry much but they are inexpensive, quicker and easier to build, and very high performance.

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ultralight helicopter UNDER $30000.00 USD

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