Alfa Romeo 115

Alfa Romeo

Industry	Aerospace, Automotive
Founded	1910 in Milan, Italy
Headquarters	Milan , Italy

Template:Infobox aero engine

The Alfa Romeo 115 is an Italian-designed six-cylinder, air-cooled inverted inline piston engine intended primarily for use in training and light aircraft. It was developed based on the design of the de Havilland Gipsy Six engine. Production figures reached around 1,600 units. Variants derived from the 115 model include the -1, bis, ter versions, as well as the Alfa Romeo 116.

Description

The Alfa Romeo 115 engine family retains many features from the original de Havilland Gipsy Six. Its construction includes a one-piece crankcase cast from Elektron with attached cover plates. The cylinders are made of steel and incorporate cooling fins, while the cylinder heads are crafted from detachable aluminium alloy. The crankshaft is a single-piece, six-throw, counterbalanced design supported by seven plain journal bearings. Propeller rotation is directly driven by the crankshaft without any reduction gearing.

Variants

110ter

Main article: Alfa Romeo 110

A four-cylinder adaptation of the 115ter.

115-1 (115-I)

115bis (115-2 / 115-II)

115ter (115-3 / 115-III)

116-1 (116-I)

This variant features an increased bore of 120 mm (4.72 in), producing 160 kW (220 hp) at 2,360 rpm while maintaining similar overall characteristics.

Applications

• Ambrosini SAI.2S (115-1)
• Ambrosini SAI.3
• Ambrosini S.7 (115ter)
• Bestetti BN.1 (single prototype)
• Breda Ba.79S
• CANT Z.1012 (or 110)
• Caproni Ca.164
• Caproni Ca.309 Ghibli (115bis)
• Fiat G.46-1B (115bis)
• Fiat G.46-3B (115bis)
• Fiat G.46-4B (115bis)
• Fiat G.46-A (115ter)
• Fiat G.46-3A (115ter)
• Fiat G.46-4A (115ter)
• Nardi FN.305
• Nardi FN.315
• Saiman 200

Specifications (115-1)

File:Alfa Romeo 115ter, tre quarti anteriore, Museo dell'aria (San Pelagio, Due Carrare).JPG

The Alfa 115ter exhibited at the Museo dell'aria e dello spazio in San Pelagio, Due Carrare, province of Padua, Italy