MWfly B22

{{Use dmy dates|date=March 2018}}

{{Infobox Aircraft Begin

| name= B22

| image=

| caption=

}}{{Infobox Aircraft Engine

|type=Aircraft engine

|manufacturer=MWfly srl

|designer=

|national origin=Italy

|first run=

|major applications=

|produced=

|number built=

|program cost=

|unit cost=14,500 (B22L model, 2015)

|developed from=

|variants with their own articles=MWfly B25

}}

The MWfly B22 is a family of Italian aircraft engines, designed and produced by MWfly of Passirana di Rho for use in light aircraft.Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 260-261. Flying Pages Europe SARL, 2015. {{ISSN|1368-485X}}

Design and development

The B22 series are all four-cylinder four-stroke, horizontally-opposed, {{convert|2203|cc|cuin|1|abbr=on}} 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 {{convert|95|hp|kW|0|abbr=on}} at 3300 rpm or {{convert|100|hp|kW|0|abbr=on}} at 3500 rpm, or {{convert|135|hp|kW|0|abbr=on}} at 4700 rpm.{{cite web|url = http://www.mwfly.it/mwfly%20b22%20engines.html|title = B22 AeroPower Series |accessdate = 29 March 2018|author= MWfly|work =www.mwfly.it}}

;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 {{convert|122|hp|kW|0|abbr=on}} at 4000 rpm, or {{convert|135|hp|kW|0|abbr=on}} at 4700 rpm, respectively.

;B22L

:Model with a mechanical gearbox reduction drive with a reduction ratio of 1.73:1 and an output of {{convert|115|hp|kW|0|abbr=on}} 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 {{convert|130|hp|kW|0|abbr=on}} at 4700 rpm. By March 2018 the engine was no longer advertised on the company website and seems to be out of production.

Specifications (B22D)

{{pistonspecs|

|ref=Tacke

|type=Four cylinder, four stroke aircraft engine

|bore={{convert|93|mm|in|1|abbr=on}}

|stroke={{convert|81|mm|in|1|abbr=on}}

|displacement={{convert|2203|cc|cuin|1|abbr=on}}

|length={{convert|629|mm|in|1|abbr=on}}

|diameter=

|width={{convert|758|mm|in|1|abbr=on}}

|height={{convert|427|mm|in|1|abbr=on}}

|weight={{convert|75|kg|lb|1|abbr=on}}

|valvetrain=

|supercharger=

|turbocharger=

|fuelsystem=

|fueltype=gasoline

|oilsystem=

|coolingsystem=liquid

|power={{convert|95|hp|kW|0|abbr=on}}

|specpower=

|compression=10.4:1

|fuelcon=

|specfuelcon=

|oilcon=

|power/weight=

|designer=

|reduction_gear=none

|general_other=

|components_other=

|performance_other=

}}

See also

{{aircontent

|see also=

|related=

|similar aircraft=

|lists= *List of aircraft engines

}}

References

{{Reflist}}