Рarachute-wing
The presence of a cargo-pendulum suspended under the wing is an important feature of a parachute-wing, which is absent from other aircraft. Virtually the entire load carried by the dome…

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Learn about FLH Company's founder, Mr. Franklin Haney
The first step in the development
I hope that my comments above will to understand what is happening during the turn. In short, both types of turns lead to an increase in vertical and horizontal speed,…

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Information for beginners
Parachuting is gaining more and more popularity among young people. Every year more and more young people discover this extreme kind of recreation and become its fans. Therefore, this article…

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Wingsuite Flights

Does a wingsuit fly or only reduce the vertical speed due to aerodynamic drag? It really flies, as simply its area is not enough for such a reduction in vertical speed and smooth planning.

But only gravity allows flying to wingsuit. The vertical fall caused by gravity forces the wingsuit into a horizontal (as far as possible) flight. The same principles underlie the flight of gliders, hang gliders and wing-type parachutes. Wingsuit flies because it has an aerodynamic profile, just like an airplane wing, a parachute wing, or even a Space Shuttle (space shuttle). In fact, the shape and flight characteristics of the vingyut are closer to the shuttle than to the rest of the aircraft.

Wingsuite Flights
Wingsuit, like other aerodynamic profiles, creates lift and drag. Flying is the better, the better the relationship between lift and drag. For a specific aerodynamic shape, this relationship between lift and drag varies with speed. The speed at which the best quality is usually 30-40% more than the vertical speed (ask any glider about the minimum and best planning speed, 90% answer will be 55-65 km / h minimum speed and 80-90 km / h better planning speed) . Flying with the best scheduling speed allows you to cover the maximum distance. Flying with less or more speed means less distance. Every flying body has a minimum speed that creates sufficient lift for flight. Below this speed, the lift is insufficient and a fall begins (Remember, the parachutes also stop and lose lift. The horizontal speed in this case is close to zero, and the vertical speed doubles). The same applies to the wingsuit. To fly, he needs speed. The question is what is the best speed for better planning. This is a tricky question, since it’s not a rigid profile. Each pilot flies using slightly different positions of the arms, legs and body. This means that all pilots have different profiles. Add a different weight, height and size of arms and legs and the problem becomes even more difficult. This is why it is very difficult to determine the minimum speed for a wingsuit. But there are general rules for any flying body. The relationship between the effective area of ​​the wing and the weight of the flying body is called the wing loading.

Most skydivers are familiar with these terms as applied to their parachutes. A dome with a high load will fly faster, but its vertical speed will also be higher. Today wing-type parachutes are between 0.5 and 3.0 pounds per square foot. Downloading hang gliders is about 1.2 and 1.5 pounds per square foot. and their minimum speed is about 35 km / h (22 mph). Cessna aircraft have a load of 20 lbs / sqft and their minimum speed is 80-90 km / h (50–55 mph).

The space shuttle, with its short wings and extremely high load, lands at a speed of more than 350 km / h (220 mph !!!).

Wingsut average pilot has an area of ​​15-16 sq.ft, the weight of the pilot 170-190 pounds. Thus, the Wingsux load is 10.5 – 12.5 lbs / sqft, ten times higher than the parachute. The simplest mathematics tells us that with a tenfold load, the minimum speed will be (roughly) 3 times higher. Flight studies in wingsuits showed that better planning is achieved at a speed of 130 km / h (75 mph).
The vertical speed with 40-50 km / h. Aerodynamic quality between 2 and 2.5. You can fly at a lower descent rate, but the result will be a significantly lower horizontal speed and worse glide path.

Regarding attempts to landing a wingsuit, a much larger area of ​​wings is needed to create more lift and reduce speed. The human body has a certain form that is not designed for flight in general and we will need several million years of evolutionary efforts to make our form more suitable for flying in a wingsuit. This means that the capacity of the wingsuit is limited by the shape of the human body and strength. The only opportunity to create a large lift force is to use rigid wings and we already have them. They are called – planes.

However, if you continue to think about landing a wingsuit, then take an ordinary parachute jump, but after opening try to take a horizontal position (you can get stuck with your feet at the rear free ends) and try to land a small elliptical dome in this position. After this painful experiment, multiply the pain and injuries by 9 (speed 3 times = impact force 9 times = 9 times more serious consequences) and decide whether you want to try it.

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