Understand Convection : the Thermal Lift [Comprendre les ascendances]

Glider pilots use different types of lift. Today we will discover one of them : The thermal lift The Earth’s surface is far from being the same everywhere It is composed of forests fields cities lakes or other types of surfaces that do not react the same to sunlight. On a sunny day these diversities will be the origin of zones of relatively warm and cold air Warm air being lighter than cold air will rise up and generate what

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Understand Wave Flying [Comprendre le vol d’onde]

In this episode, we will make you feel and understand the basics of wave flying which is another phenomenon that associated to wind Wave flying is a dynamical lift phenomenon occuring in mountain areas when the wind blows It enables glider pilots to reach high altitudes in the atmosphere and fly thousands of kilometers in one flight When the wind blows over an obstacle, generally a mountain the airflow is disturbed from its initial trajectory If the air mass is

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Understand Ridge Soaring [Comprendre le vol de pente]

In the previous episode we have talked about the thermal lift We know that the origins of thermals are linked to contrast of temperature. Nevertheless, when it comes to mountains, glider pilots can also use phenomenons associated to wind. Let’s talk about one of them : ridge soaring Ridge soaring is really simple to understand When the wind blows over mountain it tends to be deflected upwards Generating a zone of rising air directly above the slope Glider pilots just

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The Five Freedoms of Aviation

Behind any commercial flight is more than a century of political negotiation and accords that dictate who, how, and where airlines can fly. Aviation is one of the most unifying industries worldwide because it is what brings the world together. The beginning of aviation agreements came with the 1944 Chicago Convention on International Civil Aviation. This convention established the UN oversight agency responsible for civil aviation—the International Civil Aviation Organization. The ICAO is recognized by every country worldwide except for

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How to Replace a Patio Sliding Glass Door Roller [1080p]

Hey, it’s Mike from SWISCO.com, and today I’m going to show you how to replace a sliding glass door roller! For this exercise I’ll be using a rubber mallet, a Philips head screwdriver, and a stiff putty knife. One thing to keep in mind is that there are many different types of patio door rollers. And the only true way to find a replacement is to remove it completely from your door. Now, the first step is to remove the

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PUI GM Upholstery Bench Seat Installation Tutorial Overview How-To Instructions

Today, we’re on the floor of our patterning department again, and we’re going to be covering this bench seat. The bottom is going to be done about the same as the rear seat that we did before. The backrests on bench seats are not easy, so that’s why we want to give you a video and show you. They are more difficult than you might think. This is PUI brand seat foam that we’ve brought up for this. This actually

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Riven Challenge Get 3 headshots while Aim Gliding

Hi everyone! This Riven Challenge was probably the most chalenging so far… Getting a perfect headshot while aim gliding is already hard enough, let alone three. I mean, if you play with keyboard and mouse, I guess it is “easier”. But still… I tried the usual method: double jump & glide, Bullet jump & glide, Falling of Archwing & glide. I even tried diferent weapons with diferent fire modes, Nothing worked. I finally realised that I had to immobilise the

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Beginning Kiteboarding : Double Checking the Kite & Lines Before Kiteboarding

Alright, so what I just did is, I held out my outside lines and I actually walked out my outside lines a second time. I know that they are not intertwined at all with my center lines and I know that when I want to go to get ready to launch, good to go. I know these are all set up fine. Sometimes you know that, you can see this outside bridle is a little bit more elevated than the

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Snowboarding : Straight Gliding on a Snowboard

How about this? Another day, another beautiful day in northern Arizona, with the Grand Canyon in my background. Anyway, let’s talk about straight glide. Another perfect opportunity to practice something when you’re getting ready for a class or you’re after your class. It is merely a matter of finding just a small, a very small hill. Put your front foot in, put your back foot on the board and just glide straight. I’m going to demonstrate. Straight glide, with good

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