Fiala Propellers (Fiala Prop s.r.o.) is a Czech maker of high-quality wooden propellers and 4-stroke model engines for hobbyists and UAVs. Their CNC-machined beech-wood props (12″–40″, CW and CCW) feature a three-step urethane finish for fuel resistance, precise balance, and long life. With Classic series propellers for gas engines and Electro/E3 versions for electric setups—as well as robust 4-stroke engines—Fiala ensures reliable, high-performance propulsion for RC pilots worldwide.