| 词条 | Monnett Sonerai | ||||||||||||||||
| 释义 |
The Sonerai is a small, VW-powered homebuilt aircraft, designed by John Monnett.[2] The Sonerai began to compete as a single seat mid-wing Formula-V racer class formed in 1972. The Sonerai soon evolved into a two-seat model called the Sonerai II. Later versions included a low wing Sonerai IIL, a tricycle gear Sonerai IILT and finally the stretched Sonerai IILS and IILTS. John Monnett came up with the name Sonerai from a combination of the words Sonic and Cosmic-Ray [3] Many Sonerais have been built and it remains a very popular design for people seeking a low-cost experimental aircraft with good speed and maneuverability. The airframe cost to build in 1974 was estimated at $2,500. The 2010 airframe cost is approximately $6,000 (US) and the total cost is approximately $15,000 (US) with the addition of hardware, instrumentation, engine and other required items. The time to build is between 800 and 1000 hours.[4] DesignThe Sonerai I design and construction started in 1970 with the goal of a flying aircraft to be demonstrated at the 1971 EAA airshow. The aircraft was to meet the new Formula V rules. Inspired by the Spitfire, an elliptical tail profile was incorporated. Elliptical wingtips and a low-wing configuration were dropped, but a low-wing Sonerai II variant was released later.[5] The Sonerai I was designed to use a direct drive 1,600cc VW engine and the Sonerai II was designed to use the 1700cc VW engine. The wings were designed to fold alongside the fuselage for towing without a trailer and compact storage. The Sonerai II was designed to be soloed from the rear seat. The aircraft is built around a fabric covered steel tube fuselage with all aluminum wings and a fiberglass cowl. The plans cost $50 and $57 in 1974.[6] Great Plains Aircraft Supply Company held the rights to the Sonerai series of aircraft until 2015. Sonerai Works LLC purchased the rights to Sonerai plans and parts from Great Plains in 2015.[7] The aircraft is not available as a kit, and is built using plans, although some parts are available.[8]Operational historyThe prototype Sonerai 1 was displayed at the Experimental Aircraft Association Airshow in Oshkosh, Wisconsin where Monnett eventually relocated. The aircraft was painted a bright green that became the color of all the future prototypes and company marketing. The shade was from a 1971 Dodge Charger John Monnett saw painted Sassy Grass Green.[9] World recordsBrian Dempsey built a Sonerai I that set a world record. The C-1a/0 (Landplanes: takeoff weight less than 300 kg) Speed over a straight 15/25 km course of 292.15 km/h on February 19, 1989.[10] Dempsey's record stood for 20 years. Robin Austin of Australia built a Sonerai IIL with a 100 hp Rotax engine. The aircraft has set the following FAI records for C-1a/0 (Landplanes: takeoff weight less than 300 kg).[11]
Variants
Single-seat Formula V Racer[16]
Two-seat mid-wing[16]
Two-seat low-wing[16]
Two-seat low-wing tricycle gear developed in 1983.[16][17]
Two-seat low-wing stretch fuselage[16]
Two-seat low-wing stretch tricycle gear[16] Specifications (Sonerai II){{Aircraft specs|ref= |prime units?=kts
See also
References1. ^Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 110. Flying Pages Europe SARL, 2015. {{ISSN|1368-485X}} 2. ^{{cite journal|magazine=Plane and Pilot's Homebuilt Aircraft Annual|date=Winter 1975}} 3. ^{{cite journal|magazine=Sport Aviation|date=May 1991|title=Bob Barton's Sonerai IIL|author=Bob Barton}} 4. ^{{cite web|url=http://www.greatplainsas.com/soneraihistory.html|title=Sport Aircraft History|publisher=Great Plains Aircraft|accessdate=2008-10-08}} 5. ^{{cite journal|magazine=Sport Aviation|date=March 1972|title=Race to Oshkosh|page=6}} 6. ^{{cite journal|magazine=Popular Mechanics|title=Flying Twins your choice of one or two|date=Aug 1974|pages=108}} 7. ^{{cite journal|magazine=Sport Aviation|date=February 2015|page=15}} 8. ^Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 104. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X 9. ^{{cite book|title=John Monnett from Sonerai to Sonex|author=Jim Cunningham}} 10. ^{{cite web|title=FAI world Records|url=http://www.fai.org/fai-record-file/?recordId=1094|accessdate=18 Jan 2015}} 11. ^{{cite journal|magazine=Sport Aviation|author=Robin Austin|title=Four World Records|date=October 2010}} 12. ^"FAI Record ID #15065 - Aeroplane Efficiency, C-1a (Landplanes: take off weight 300 to 500 kg)" Fédération Aéronautique Internationale Record date 5 June 2008. Accessed: 4 October 2015. 13. ^"FAI Record ID #15060 - Speed over a recognized course, C-1a (Landplanes: take off weight 300 to 500 kg)" Fédération Aéronautique Internationale Record date 17 May 2008. Accessed: 4 October 2015. 14. ^"FAI Record ID #15100 - Speed over a recognized course, C-1a (Landplanes: take off weight 300 to 500 kg)" Fédération Aéronautique Internationale Record date 28 July 2008. Accessed: 4 October 2015. 15. ^"FAI Record ID #15066 - Aeroplane Efficiency, C-1b (Landplanes: take off weight 500 to 1000 kg)" Fédération Aéronautique Internationale Record date 8 June 2008. Accessed: 4 October 2015. 16. ^1 2 3 4 5 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 171. BAI Communications, 15 July 1998. {{ISBN|0-9636409-4-1}} 17. ^{{cite journal|magazine=Flying|date=May 1983|page=12}} External links{{commons category|Monnett Sonerai}}
5 : Homebuilt aircraft|Monnett aircraft|United States civil utility aircraft 1970–1979|Mid-wing aircraft|Aircraft first flown in 1971 |
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