An unknown motor with a tool brand name (saws) and also from a small Polish town.

“Glider with Pilawa engine” (PiP-SP)

-This engine was used at first, later it was replaced by the Riedel-Berzecki (RB).

“The inverted single-cylinder Pilawa engine” (PiP-SP)

“The engine position on the glider”

-Berzecki adapted this chainsaw engine but he also adapted other engines for other aerial vehicles such as the MZ-200, Trabant 601, Fis-500, KF engines; M-540, Komatsu Zenoah, etc.