MWfly B22

The MWfly B22 is a family of Italian aircraft engines, designed and produced by MWfly of Passirana di Rho for use in light aircraft.

Design and development
The B22 series are all four-cylinder four-stroke, horizontally-opposed, 2203 cc displacement, liquid-cooled, gasoline engine designs. They all employ single electronic ignition systems and have a compression ratio of 10.4:1.

Variants

 * B22D
 * Direct drive model with an output of 95 hp at 3300 rpm or 100 hp at 3500 rpm, or 135 hp at 4700 rpm.


 * B22G
 * Geared model with a mechanical gearbox reduction drive with a reduction ratio of 1.731:1 or 1.958:1 and an output of 122 hp at 4000 rpm, or 135 hp at 4700 rpm, respectively.


 * B22L
 * Model with a mechanical gearbox reduction drive with a reduction ratio of 1.73:1 and an output of 115 hp at 3950 rpm. By March 2018 the engine was no longer advertised on the company website and seems to be out of production.


 * B22R
 * Model with a mechanical gearbox reduction drive with a reduction ratio of 2.14:1 and an output of 130 hp at 4700 rpm. By March 2018 the engine was no longer advertised on the company website and seems to be out of production.