Performance of PPG concept with 2 Counter-rotating propellers each side

[bratwurst (Thomas)]

Paraglider harness type comparison

Paraglider self-launching system

here as an example how to solve it: with the impress 3 without motor I have a sink rate of 1 - 1.1 with the frame and propeller is the rate of descent at 1.1 to 1.2 in a standard paramotor usually at 1.4 - 1.6. the rechargeable battery (8.5 kg) is exactly where else the water ballast is, therefore the zero balance remains unchanged. The motor is near on the back. the 5.5 kg for the drive incl. Regulator, angle adjustment and housing can not be felt by thermal flying. the propeller weighs 360 gra…