Rans S-9 Chaos
|National origin||United States|
|Number built||215 (2011)|
US$10,900 (base price 2010) less engine and instruments
|Variants||Rans S-10 Sakota|
The Rans S-9 Chaos is an American single-engined, tractor configuration, single-seat, mid-wing monoplane designed by Randy Schlitter for aerobatics and manufactured by Rans Inc. The Chaos is available in kit form for amateur construction.
Production of the S-9 was ended as part of Rans' reorganization of its product line on 1 June 2006, after having been available for 20 years, but the S-9 was reintroduced in about 2009 and is again available.
Design and development
The S-9 Chaos was designed by Randy Schlitter in 1986 as an inexpensive aerobatic aircraft that will allow sportsman competition aerobatics to be flown or even advanced aerobatics if inverted fuel and oil systems are installed. The Chaos is also a capable cross country aircraft.
Like many Rans models, the S-9 features a welded 4130 steel tube cockpit, with a bolted aluminum tube rear fuselage. All fuselage, wing and tail surfaces are covered in dope and fabric. The reported construction time is 500 man-hours.
There were 215 S-9s built and flown by December 2011.
In November 2010 there were 61 S-9s registered in the United States, along with three registered in Canada and two in the UK. Another 23 were on the registers of European countries west of Russia.
- Crew: One
- Length: 15 ft 8 in (4.78 m)
- Wingspan: 22 ft 0 in (6.71 m)
- Wing area: 91.5 sq ft (8.50 m2)
- Empty weight: 320 lb (145 kg)
- Gross weight: 670 lb (304 kg)
- Fuel capacity: 9 US gallons (34 litres)
- Powerplant: 1 × Rotax 503 , 50 hp (37 kW)
- Propellers: 2-bladed wooden
- Cruise speed: 85 mph (74 kn; 137 km/h)
- Stall speed: 33 mph (29 kn; 53 km/h)
- Range: 210 mi (182 nmi; 338 km)
- Service ceiling: 15,500 ft (4,724 m)
- Rate of climb: 800 ft/min (4.1 m/s)
- Aircraft of comparable role, configuration and era
- Downey, Julia: 1999 Kit Aircraft Directory, Kitplanes, Volume 15, Number 12, December 1998, page 65. Primedia Publications. ISSN 0891-1851
- Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 239. BAI Communications. ISBN 0-9636409-4-1
- Rans (undated). "S-9 Chaos". Retrieved 24 November 2010.
- Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 157. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
- Taylor, John (ed): Jane's All The World's Aircraft 1987-1988, pages 698-699. Jane's Publishing Company, 1987. ISBN 0-7106-0850-0
- Taylor, John (ed): Jane's All The World's Aircraft 1988-1989, pages 592-594. Jane's Publishing Company, 1988. ISBN 0-7106-0867-5
- Vandermeullen, Richard: 2011 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 68. Belvoir Publications. ISSN 0891-1851
- Aero News Network (May 2006). "RANS: Light Sport Aircraft Are The Future". Retrieved 21 November 2010.
- Downey, Julia: 2008 Kit Aircraft Directory, Kitplanes, Volume 24, Number 12, December 2007, page 53. Primedia Publications. ISSN 0891-1851
- Rans (undated). "RANS S-9 Chaos". Retrieved 24 November 2010.
- Federal Aviation Administration (November 2010). "Make / Model Inquiry Results". Retrieved 24 November 2010.
- Transport Canada (November 2010). "Canadian Civil Aircraft Register". Retrieved 24 November 2010.
- Civil Aviation Authority (United Kingdom) (November 2010). "GINFO Search Results Summary". Retrieved 24 November 2010.
- Partington, Dave (2010). European registers handbook 2010. Coulsdon, Surrey: Air Britain (Historians) Ltd. ISBN 978-0-7106-2916-6.
|Wikimedia Commons has media related to RANS aircraft.|
- Official website
- Photo of an S-9 Chaos
- Photo of an S-9 Chaos descending under a parachute after a structural failure