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.
What do we call the risers that are connected to the lines running to the leading edge of the canopy?
These are the A-risers connected to the A-lines.
You're on a straight course and you don't need to change direction any time soon. What do you do with the brake handles?
Modern paragliders fly best without any brake applied - at the so-called trim speed.
But by applying a little bit of pressure, you take out the slack in the brake lines. You feel better what the wing is doing and you can react quickly and subtly to keep the wing straight overhead. This is called active flying.
If you have some more experience it doesn't hurt to let go of the brake handles and relax, but only if it's safe to do so.
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.
Standing on launch you see a rain shower approaching. Do you take off?
D is the only safe answer. You can never be sure that you have landed before the rain arrives, so C is risky. B is only partly true for light rains, but again you're taking a risk. A is not true, although flying in cloud is illegal in many countries.
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 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.
What are the minimum requirements for a safe take-off?
A straight headwind is not necessary, you can take off in a slight crosswind. The runway should be clear of cables and other obstacles, but a 500m radius is not necessary. It is however essential to be able to abort your launch, for example when you notice a knot in the lines.
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.
How tight does the chest strap of the harness need to be?
A short distance beween the karabiners results in a stable flight but enhances the risk of twisting, for example after a collapse.
A large distance between the karabiners results in a higher sensitivity to weight shift but also to more dynamic reactions of the paraglider.
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