Is aerodynamics of paramotors important?

Of course it is.

Aerodynamics is everything in aviation. Some may argue that speeds we fly are too low to care about but this is not true at all>

> first, there are paragliders flying 50-70 km/h and that is not little at all!
> secondly, airflow around the cage is even much higher because the propeller generates strong airflow.

Here is the proof> paraglider manufacturer try hard to increase glide ratio of paragliders. They use unsheathed lines, calculate what are the thinnest lines still strong enough and make 3-liner and 2-liner paragliders. So if that 1mm thin line makes a difference in paragliders, why paramotor manufacturers do not care?

Aerodynamics is not only about using airfoil profiles on the cage like on SCOUT. Even within classic „tube“ paramotors some are better than others. These are the things that cause drag>

> plenty tubes> some paramotors have double hoop and plenty tubes in the cage. This makes them stronger but definitely cause a lot of drag.
> thick netting> a netting made from thick line will obviously have a lot more drag.
> strap around netting> some paramotors have a wide strap sewed onto the edge of the netting. Well, this is uff, ohh, ehm … no good.
>fuel tank well below the pilot> a fuel tank exposed into the airflow is a very bad solution in terms of aerodynamics. There are plenty paramotors that have succeeded placing the tank nicely behind the pilot.

ultra thin 0.35mm Dyneema netting
ultra thin 0.35mm Dyneema netting

Now who should care?

why-is-aerodynamics-important-for-paramotors

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