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MWfly B25

From Alfawiki
Adapted from the English Wikipedia article MWfly B25, available under CC BY-SA 4.0Updated 29 November 20252 sources
MWfly
IndustryAerospace
Headquarters
Passirana di Rho
,
Italy
ProductsAircraft engines

Template:Infobox aero engine

The MWfly B25 series represents a collection of aircraft engines originating from Italy, engineered and manufactured by MWfly based in Passirana di Rho, Lombardy specifically for application in light aircraft.[1]

Design and development

All engines within the B25 lineup feature a four-cylinder, four-stroke configuration arranged in a horizontally opposed layout, with a displacement of 2,500 cc (152.6 cu in). These powerplants utilize liquid cooling and operate on gasoline fuel. Each model incorporates dual electronic ignition systems and maintains a compression ratio of 10.5:1.[1]

Variants

B25D
This variant is a direct drive engine delivering 115 hp (86 kW) at 3300 rpm or alternatively 155 hp (116 kW) at 4700 rpm.[2]
B25G
Equipped with a mechanical gearbox reduction drive, this geared version offers reduction ratios of either 1.731:1 or 1.958:1, producing 140 hp (104 kW) at 4000 rpm or 155 hp (116 kW) at 4700 rpm respectively.[2]
B25R
Featuring a helical gear mechanical reduction drive with a ratio of 1.731:1, this model generates 150 hp (112 kW) at 4550 rpm. As of March 2018, it was no longer listed on the manufacturer’s website and appears to have been discontinued.[1][2]

Specifications (B25R)

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See also

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References

  1. ↑ 1.0 1.1 1.2 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 260-261. Flying Pages Europe SARL, 2015. Template:ISSN
  2. ↑ 2.0 2.1 2.2 MWfly. "B25 AeroPower Series". www.mwfly.it. Retrieved 29 March 2018.

External links