Jabiru 3300

Last updated

Jabiru 3300
Jabiru3300.jpg
Type Piston aero engine
National origin Australia
Manufacturer Jabiru Aircraft
Developed into Jabiru 5100

The Jabiru 3300 is a lightweight four-stroke, horizontally opposed "flat-six" air-cooled aircraft engine produced by Jabiru Aircraft. The engines are direct drive and fitted with alternators, silencers, vacuum pump drives and dual ignition systems as standard. The engine is used to power homebuilt and ultralight aircraft.

Contents

underside of a Jabiru 3300 Jabiru3300bottom.jpg
underside of a Jabiru 3300

History

Jabiru Aircraft began as a builder of small two-seater aircraft in Bundaberg, Australia. [1] It turned to producing its own engines when supplies of the Italian-sourced engines previously used dried up. [2] Jabiru engines were designed to be manufactured in small batch quantities, so the firm used CNC machines to mill major engine parts such as cylinder blocks and heads, rather than using cast items. [3] For the fourth generation of the design, more cast and forged components (including cast cylinder heads and forged connecting rods) replace components which were previously machined from billet. [4] The 3300 is a modular development of Jabiru's flat-four 2200 engine.

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. This was in response to 46 reports of engine failure in flight. In-flight failure modes included, but were not limited to: fuel starvation; valve/port collapse & breakage of critical bolts. [5] [6] [7] Both the manufacturer and Recreational Aviation Australia opposed the restrictions as unnecessary and unwarranted. [8] 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. [9]

A subsequent tear-down of one engine by CASA resulted in recommendations in June 2016 for further easing of the restrictions. [10]

Applications

Specifications

General characteristics

Components

Performance

See also

Comparable engines:

Related Research Articles

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References

  1. ↑ "About". Jabiru.net.au. Archived from the original on 6 December 2013. Retrieved 8 October 2013.
  2. ↑ "Background to the Development of the Jabiru". web.aeromech.usyd.edu.au. Retrieved 12 August 2016.
  3. ↑ "Engines". Jabiru.net.au. 12 July 2012. Retrieved 8 October 2013.
  4. ↑ "Engines". Jabiru.net.au. Retrieved 30 January 2024.
  5. ↑ RA-Aus Response, Sport Pilot Magazine (Australia), Feb 2015, page 27
  6. ↑ "Limitations on aircraft with Jabiru engines - Shine Lawyers". Shine Lawyers. Retrieved 29 May 2016.
  7. ↑ "CASA issues Jabiru Engine Update". australianflying.com.au. Retrieved 29 May 2016.
  8. ↑ Niles, Russ (15 November 2014). "Australia Eyes Jabiru Restrictions". AVweb. Retrieved 17 November 2014.
  9. ↑ Niles, Russ (21 December 2014). "CASA Issues Jabiru Final Rule". AVweb. Retrieved 22 December 2014.
  10. ↑ Civil Aviation Safety Authority (8 June 2016). "Jabiru Engine Reliability" (PDF). jabiruna.com. Retrieved 13 March 2017.
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