Jabiru 5100

The Jabiru 5100 is a lightweight four-stroke horizontally opposed flat-eight air-cooled aircraft engine, manufactured by Jabiru Aircraft.

Jabiru 5100
Type Piston aero-engine
National origin Australia
Manufacturer Jabiru Aircraft

Design and development

The engine is direct-drive and is fitted with alternators, silencers, vacuum pump drives and dual-ignition systems as standard equipment.

It was developed from the Jabiru 2200 and 3300 aeroengines, but whilst these earlier modular-design engines share the same bore and stroke (97.5mm x 74 mm), the 5100 flat-eight shares only the 97.5mm bore, and the stroke is increased from 74mm to 85mm.

In November 2014 the Australian Civil Aviation Safety Authority proposed restricting all Jabiru-powered aircraft to day-visual flight rules only, without passengers or solo students and within gliding distance of a safe place to land due to the engine line's safety record. Both the manufacturer and Recreational Aviation Australia opposed the restrictions as unnecessary and unwarranted.[1] The final rule adopted somewhat softened the restrictions, allowing the carriage of passengers and students, but requiring them to sign an acknowledgement of risk before flying and restricting equipped aircraft to day VFR flight and within gliding distance of a safe place to land.[2]

Applications

Specifications

General characteristics

  • Type: Flat-8
  • Bore: 97.5 mm (3.84 in)
  • Stroke: 85.0 mm (3.346 in)
  • Displacement: 5,077 cm³ (310 in³)
  • Length: 960 mm (37.79 in)
  • Width: 638 mm (25.12 in)
  • Height: 445 mm (17.54 in)
  • Dry weight: 117 kg (257 lbs) with exhaust, carburetors, starter motor, alternator & ignition system

Components

  • Fuel system: Mechanical fuel pump
  • Fuel type: AVGAS 100/130
  • Oil system: Wet sump
  • Cooling system: Air-cooled

Performance

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See also

References
  1. Niles, Russ (15 November 2014). "Australia Eyes Jabiru Restrictions". AVweb. Retrieved 17 November 2014.
  2. Niles, Russ (21 December 2014). "CASA Issues Jabiru Final Rule". AVweb. Retrieved 22 December 2014.
  3. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 116. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
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