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What is the weight of the fabric used to make paraglider canopies? (g/m2)?

Very light fabric strong enough for paragliders can be as light as 25g/m2. Very strong and heavy fabric weighs 40g/m2 or more.
At around 35g/m2, you can calculate that the weight of the fabric of just the top and bottom sail of a 25m2 canopy is a bit less than two kilos.


When is the best time to put your legs down during the landing approach?

D is the safest option. The others are either uncomfortable and unwanted because you can't use weightshift anymore, or unsafe if you are too late and land on your bum risking a back injury.


It's sunny on launch and you're ready to take off, but the wind has been from the back for quite a while. What do you do?

Gliders suffer the most from direct sunlight. The airtight coating is damaged by the UV-radiation. Don't leave your glider out in the sun unnecessarily.
Additionally, sitting on the reserve parachute may damage it without you noticing, so it might fail if you ever need it. Never sit on your harness.


Which data do you need to calculate the wing load?

The wing load is defined as the weight on the wing per square metre. Therefore you need the total take-off weight and the flat surface of the wing to calculate it. For example, a 25m2 glider flown by a pilot with a TOW of 100kg has a wing load of 4kg/m2.


How tight do you need to pull the leg straps of the harness?

The tightness of the leg straps does not influence the flying properties of the paraglider.

When the leg straps are too loose, after take-off you will find yourself hanging low under the seat and it's more difficult to get in the harness.

Too tight will hinder your movements during take-off, depending on the harness design. In some harnesses it will prevent you from getting into the seat fully.


What happens when you brake a paraglider so much that the air speed falls below the minimum speed of about 25km/h?

The photo shows what happens when you pull so much brake that the air speed of the paraglider falls below its minimum speed. The glider stalls. Therefore we sometimes call the minimum speed of a paraglider the stall speed.

Don't do this while flying! Unless you are on an SIV- or acrocourse.

Older gliders can also enter a deep stall when you brake too much - see the chapter on Aerodynamics.


What part is indicated by C (the orange line)?

A diagonal rib connects the upper left corner of a cell with the lower right, or sometimes runs across two or more cells.
This allows the use of fewer lines, reducing the weight and drag of the paraglider.


You just landed. What do you do?

Directly after landing, look around for other gliders that are about to land and clear the landing area as quickly as possible, without disturbing others.


A pre-flight check should be executed...

Before you take off, you should check at least these things: pilot, lines, canopy, wind, airspace.


During daily inspections you notice a tear of about 2.5cm or one inch in the canopy of your paraglider. What do you do?
1. You fix the tear with ripstop tape on both sides of the fabric.
2. You take the glider to a dealer or manufacturer to have it professionally repaired.

You can fix a tear smaller than about 5cm (2 inches) yourself. Larger repairs should be done by a professional.
See the chapter on Equipment.


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