Avimech Dragonfly DF-1 Contents Design and development Specifications (DF-1) See also References External links Navigation menu1368-485XOfficial websiteVideo of DF-1 flight

Avimech aircraftUnited States sport aircraft 2010–2019United States ultralight aircraft 2010–2019United States civil utility aircraft 2010–2019United States helicopters 2010–2019Tipjet-powered helicopters


AmericanhelicopterAvimech International Aircraft, Inc.Tucson, ArizonaSwitzerlandFAR 103 Ultralight Vehiclesskid landing geartip jetshydrogen peroxidefuselagealuminum














Dragonfly DF-1
Role

Helicopter

National origin

United States
Manufacturer

Avimech International Aircraft, Inc.
Status
In production (2015)

Unit cost


US$120,000 (2015)

The Avimech Dragonfly DF-1 is an American helicopter produced by Avimech International Aircraft, Inc. of Tucson, Arizona. Originally developed in Switzerland, the aircraft is supplied complete and ready-to-fly.[1]




Contents





  • 1 Design and development


  • 2 Specifications (DF-1)


  • 3 See also


  • 4 References


  • 5 External links




Design and development


The DF-1 was designed to comply with the US FAR 103 Ultralight Vehicles aircraft rules, including the category's maximum empty weight of 254 lb (115 kg). The aircraft has a standard empty weight of 234 lb (106 kg). It features a single main rotor and tail rotor, a single-seat, open cockpit without a windshield, skid landing gear with ground handling wheels.[1]


The rotor is driven by tip jets fueled by hydrogen peroxide, which emits only water vapour and oxygen as exhaust products. The tail rotor is fitted only for directional control as it is not required to counteract torque, as the tip jet system does not require torque compensation.[1]


The aircraft fuselage is made from steel and aluminum tubing. Its two-bladed rotor has a diameter of 19.7 ft (6.0 m). The aircraft has a typical empty weight of 234 lb (106 kg) and a gross weight of 794 lb (360 kg), giving a useful load of 560 lb (254 kg).[1]



Specifications (DF-1)


Data from Tacke[1]


General characteristics



  • Crew: one


  • Empty weight: 234 lb (106 kg)


  • Gross weight: 794 lb (360 kg)


  • Fuel capacity: 18 U.S. gallons (68 L; 15 imp gal)


  • Powerplant: 2 × tip jet reaction motors


  • Main rotor diameter: 19 ft 8 in (6 m)


  • Main rotor area: 305 sq ft (28.3 m2)

Performance



  • Maximum speed: 115 mph; 100 kn (185 km/h)


  • Cruise speed: 40 mph; 35 kn (65 km/h)


  • Rate of climb: 690 ft/min (3.5 m/s)


  • Disk loading: 12.7 lb/sq ft (62 kg/m2)


See also


  • List of rotorcraft


References




  1. ^ abcde Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 204. Flying Pages Europe SARL, 2015. .mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
    ISSN 1368-485X




External links


  • Official website

  • Video of DF-1 flight


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