| 词条 | Vortech Skylark | |||||||||||||||||||
| 释义 |
The Vortech Skylark is an American helicopter produced by Vortech of Fallston, Maryland. The aircraft is supplied in the form of plans for amateur construction. Vortech also supplies rotor blades for the design.[1][2][3] Design and developmentThe Skylark was designed to comply with the US Experimental - Amateur-built aircraft rules. It features a single main rotor, a single-seat open cockpit without a windshield, skid-type landing gear and a twin cylinder, liquid-cooled, in-line two-stroke, carbureted {{convert|70|hp|kW|0|abbr=on}} Hirth 3503 aircraft engine. The twin cylinder, liquid-cooled, in-line two-stroke, {{convert|64|hp|kW|0|abbr=on}} Rotax 582 has also been used. A cockpit enclosure was optional.[1][2][3] The aircraft fuselage is made from welded 4130 steel tubing, with an aluminium tail boom. Its {{convert|19|ft|m|1|abbr=on}} diameter two-bladed rotor employs a NACA 0012 airfoil. The main transmission is of belt and chain type, whileteh tail rotor is driven by a long shaft. The control system consists of conventional helicopters controls. The aircraft has an empty weight of {{convert|350|lb|kg|0|abbr=on}} and a gross weight of {{convert|700|lb|kg|0|abbr=on}}, giving a useful load of {{convert|350|lb|kg|0|abbr=on}}. With full fuel of {{convert|8|u.s.gal}} the payload for pilot and baggage is {{convert|302|lb|kg|0|abbr=on}}.[1][2][4] The manufacturer estimates the construction time as 300 hours.[1] Operational historyBy 2005 the company reported that 5 were completed and flying.[1] By January 2015 no examples were registered in the United States with the Federal Aviation Administration, although one had been registered at one time.[5] Specifications (Skylark){{Aircraft specs|ref=Kitplanes[1] |prime units?=imp
See also
References1. ^1 2 3 4 5 Downey, Julia: 2005 Trikes 'Chutes and Rotorcraft Directory, Kitplanes, Volume 22, Number 2, February 2005, page 60. Belvoir Publications. {{ISSN|0891-1851}} 2. ^1 2 Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, pages 215. Pagefast Ltd, Lancaster UK, 2003. {{ISSN|1368-485X}} 3. ^1 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 334. BAI Communications, 15 July 1998. {{ISBN|0-9636409-4-1}} 4. ^{{Cite web|url = http://www.ae.illinois.edu/m-selig/ads/aircraft.html|title = The Incomplete Guide to Airfoil Usage |accessdate = 27 January 2014|last = Lednicer |first = David |year = 2010}} 5. ^{{cite web|url = http://registry.faa.gov/aircraftinquiry/AcftRef_Results.aspx?Mfrtxt=&Modeltxt=SKYLARK&PageNo=1|title = Make / Model Inquiry Results|accessdate = 27 January 2015|last = Federal Aviation Administration|date = 26 January 2015}} External links
5 : Vortech aircraft|United States sport aircraft 1980–1989|United States helicopters 1980–1989|Homebuilt aircraft|Single-engined piston helicopters |
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