A reliable mini-motor, combined with optimizing the resonance of the exhaust provides the pilot:
In 1996 Per il Volo invented and produced the first harness attachment system to feature high hook-in points with low J-bar distance bars, called the PSF system.
It is today appreciated as the industry standard and most often copied by other manufacturers world wide.
M (115cm prop)
L (125cm prop)
XL (135cm prop) is available for competition use.
** with 75 kg pilot and performance glider