Searchable Light Aviation Database

Hirth F33 A/AS


Power:25 hp / 6000 rpm
Torque:31 Nm / 4800 rpm
Displacement:313 cc
Weight:29 lbs (13 kg)
Cycles:Two cycle
Cylinders configuration:1 radial
Propeller drive:Belt redrive
Hirth F33 A/AS

F33 A/AS`s description

The F33 A/AS is an air cooled, reed valve controlled 1-cylinder-2-stroke engine with slide carburetor and Nikasil coated cylinder.
It has one of the highest power to weight ratio available on the 30 HP engine market. Ideally suited for powered parachutes, light experimental aircrafts and ultralights and all applications where weight is an issue.
This engine is available in several versions. an overview is given in the Hirth-information 0069/1N.

Description from the website on 2014-05-18.

Another engines from Hirth:

2702 V

Weight:68 lbs (31 kg)
Power:40 hp
Torque:57 Nm
Displacement:521 cc
Hirth 2702 V

2703 V

Weight:68 lbs (31 kg)
Power:55 hp
Torque:67 Nm
Displacement:521 cc
Hirth 2703 V

3002 E/V

Weight:93 lbs (42 kg)
Power:83 hp
Torque:110 Nm
Displacement:1042 cc
Hirth 3002 E/V

3502 E/V

Weight:79 lbs (36 kg)
Power:60 hp
Torque:84 Nm
Displacement:625 cc
Hirth 3502 E/V

3701 ES/VS

Weight:99 lbs (45 kg)
Power:100 hp
Torque:120 Nm
Displacement:939 cc
Hirth 3701 ES/VS


Weight:20 lbs (9.4 kg)
Power:15 hp
Torque:18 Nm
Displacement:208 cc
Hirth F36

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Weight:33 lbs (15.2 kg)
Power:21 hp
Displacement:195 cc
Bailey Aviation V5


Weight:31 lbs (14 kg)
Power:18 hp
Displacement:98 cc
Compact Radial Engines MZ100


Weight:42 lbs (19 kg)
Power:30 hp
Torque:35 Nm
Displacement:313 cc
Compact Radial Engines MZ34


Weight:35 lbs (16 kg)
Power:21 hp
Displacement:173 cc
Cors-Air M25Y


Weight:15 lbs (7.2 kg)
Power:20 hp
Torque:22 Nm
Displacement:274 cc
Limbach Flugmotoren L275E

Mini 3

Weight:49 lbs (22 kg)
Power:34 hp
Torque:40 Nm
Displacement:270 cc
Simonini Racing Mini 3

Easy 100 Plus

Weight:26 lbs (12 kg)
Power:18 hp
Displacement:98.2 cc
Vittorazi Easy 100 Plus