Hirth F33 – 28hp

Simple, light and modern 2 stroke engine from proven manufacturer suitable for pilots up to 90 kg.

Cooling: air
Ignition : CDI
Propeller: Wollner, DIA. 1,25 m, two blade fixed, wood
Fuel: MOGAS min.95 RON+2 STROKE OIL mixing ratio 50:1
TBO: 1000 h
Overhaul price 800,- Eur

PerformanceSI UnitsImperial Units
Cruise speed @75%135 km/h84 mph
Fuel consumption @75%5,5 l/h1.22 gal/h
Level top speed at S.L.185 km/h116 mph
Climb speed at S.L. and MTOM3 m/s594 fpm
TO distance over 15 m/50ft obstacle280 m924 ft
Landing distance over 15 m/50 ft obstacle240 m792 ft

The values of speeds are about 3% lower for TG and TGC version and 2 % lower for full XL cabin hood.

Hirth F-33 28HP - 2stroke Hirth F-33 28HP - 2stroke


Installation simplicity
Installation weight