Vortech Skylark

Last updated

Skylark
Role Helicopter
National origin United States
Manufacturer Vortech
StatusPlans available (2015)
Number built5 (2005)

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]

Contents

Design and development

The 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 70 hp (52 kW) Hirth 3503 aircraft engine. The twin cylinder, liquid-cooled, in-line two-stroke, 64 hp (48 kW) 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 19 ft (5.8 m) 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 350 lb (159 kg) and a gross weight of 700 lb (318 kg), giving a useful load of 350 lb (159 kg). With full fuel of 8 U.S. gallons (30 L; 6.7 imp gal) the payload for pilot and baggage is 302 lb (137 kg). [1] [2] [4]

The manufacturer estimates the construction time as 300 hours. [1]

Operational history

By 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]

The airframe plans have been spreading via internet under name "Furia". [6]

Specifications (Skylark)

Data from Kitplanes [1]

General characteristics

Performance

See also

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References

  1. 1 2 3 4 5 6 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 3 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 2 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 334. BAI Communications, 15 July 1998. ISBN   0-9636409-4-1
  4. ↑ Lednicer, David (2010). "The Incomplete Guide to Airfoil Usage". Archived from the original on April 20, 2010. Retrieved January 27, 2014.
  5. ↑ Federal Aviation Administration (January 26, 2015). "Make / Model Inquiry Results" . Retrieved January 27, 2015.
  6. ↑ "Vortech CH-4 / SkyLark / Furia helicopter". www.helistart.com. Retrieved March 11, 2024.
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