Hirth f33 manual

The Hirth F-33 is a single cylinder, two stroke, carburetted aircraft engine designed for use on ultralight aircraft, including powered paragliders and ultralight trikes. Hirth f 30 (33?) Thread starter gyroplanes. Start date Mar 31, 2018. Has the newer designed crankcase and manual mixture control (electronic dial up & down). This engine has fairly low hours (I'll get them from the owner) It was removed due to low compression. Hirth F-23(50hp), manual start, reduction drive, no options/upgrades. It will meet the weight limit of 278 lbs with the F23(50hp), but it will zip right past the 63 MPH. IF with Hirth Engines, which Configuration. F-33 28hp Weight: 35lbs including exhaust sys.