Briggs & Stratton Vanguard Big Block V-Twin

Last updated

Vanguard Big Block V-Twin
Type Aircraft engine
National origin United States
Manufacturer Briggs & Stratton

The Briggs & Stratton Vanguard Big Block V-Twin is a series of American piston engines, designed and produced by Briggs & Stratton of Wauwatosa, Wisconsin for use in commercial applications. They have also been adapted for use as ultralight aircraft engines. [1]

Contents

Design and development

The engine is a V-twin four-stroke, 895 cc (54.6 cu in) or 993 cc (60.6 cu in) displacement, fan-driven air-cooled, gasoline engine design. The larger displacement is achieved by increasing the stroke from 78 to 87 mm (3.1 to 3.4 in), but using the same bore of 86 mm (3.4 in). In aviation applications it is used as a direct drive engine, turning a propeller without a reduction drive. It employs a single electronic ignition system and produces 25 to 37 hp (19 to 28 kW) at 3600 rpm. [1]

Variants

Vanguard Big Block V-Twin 895cc
Model with 895 cc (54.6 cu in) displacement, bore of 86 mm (3.4 in), a stroke of 78 mm (3.1 in) and a power output of 25 to 33 hp (19 to 25 kW) at 3600 rpm [1] [2]
Vanguard Big Block V-Twin 993cc
Model with 993 cc (60.6 cu in) displacement, bore of 86 mm (3.4 in), a stroke of 87 mm (3.4 in) and a power output of 33 to 37 hp (25 to 28 kW) at 3600 rpm [1] [2]

Applications

Spacek SD-1 Minisport with Briggs & Stratton Vanguard 33 hp engine Ultralight Aircraft SD-1 Minisport 120 kg D-MCKM.jpg
Spacek SD-1 Minisport with Briggs & Stratton Vanguard 33 hp engine

Specifications (31 hp model)

Data from Tacke [1]

General characteristics

Components

Performance

See also

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References

  1. 1 2 3 4 5 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 256-257. Flying Pages Europe SARL, 2015. ISSN   1368-485X
  2. 1 2 Briggs & Stratton (2018). "Big Block V-Twin". www.vanguardengines.com. Retrieved 13 March 2018.