The main difference between a parafoil and a paraglider is the shape and structure of their canopy. A parafoil has a rectangular shape with multiple cells, while a paraglider has a more curved shape with a single wing. This difference in shape affects their lift and flight characteristics.
A parafoil generates lift through the Bernoulli's principle. The air passing over the curved surface of the parafoil creates a lower pressure area, which results in an upward force on the canopy. This lift is then used to support the weight of the parafoil and its payload.
A paraglider also generates lift through the Bernoulli's principle. However, the curved shape of the paraglider's wing creates more lift compared to a parafoil. This allows the paraglider to fly at a slower speed and perform maneuvers such as turns and glides.
Both parafoils and paragliders are suitable for recreational purposes, but they have different purposes. Parafoils are typically used for activities such as skydiving and kiting, while paragliders are used for paragliding and hang gliding. It ultimately depends on the individual's preference and the type of activity they want to engage in.
The advantage of a parafoil is its stability, making it easier to control and maneuver. It also has a simpler design, making it easier to pack and transport. However, its rectangular shape and lack of a rigid frame limit its performance compared to a paraglider. Paragliders, on the other hand, have better lift and glide performance, but they require more skill to control and are more expensive to purchase and maintain.