{{Short description|German hang glider}} {{Use dmy dates|date=January 2022}} {{Use British English|date=January 2022}} <!-- This article is a part of Wikipedia:WikiProject Aircraft. Please see Wikipedia:WikiProject Aircraft/page content for recommended layout. --> {{Infobox aircraft | name = Perfex | logo = | logo_size = | image = | alt = | caption = | long_caption = | other_names = | aircraft_type = Hang glider | aim = | outcome = | related = | national_origin = Germany | manufacturer = Finsterwalder | design_group = | designer = | builder = | issuer = | status = In production | owners = | primary_user = | more_users = | service = | major_applications = | proposals = | prototypes = | number_built = | construction_number = | civil_registration = | military_serial = | radio_code = | requirement = | aircraft_carried = | flights = | total_hours = | total_distance = | construction_date = | introduction = | retired = | first_flight = | initiated = | in_service = | last_flight = | expected = | developed_from = | variants = | developed_into = | preservation = | fate = | predecessors = | successors = | concluded = }} The '''Finsterwalder Perfex''' is a German high-wing, single-place, hang glider, designed and produced by Finsterwalder.<ref name="WDLA04">Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 44. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X</ref>
==Design and development== The Perfex and the smaller sized Lightfex are intended as man-packable single-surface beginner gliders for recreational flying. As such the Perfex weighs only {{convert|22|kg|lb|1|abbr=on}} and can be reduced to a folded size of {{convert|1.95|m|ft|1|abbr=on}}<ref name="WDLA04" /><ref name="Perfex">{{cite web|url = http://www.finsterwalder-charly.de/en/hanggliders-a-accessories/perfex.html|title = Perfex|accessdate = 16 February 2012|last = Finsterwalder|date = 2011}}</ref>
The aircraft is made from aluminum tubing, with the wing covered in Dacron sailcloth. Its {{convert|9.4|m|ft|1|abbr=on}} span wing is cable braced from a single kingpost. The nose angle is 120° and the aspect ratio is 5.5:1.<ref name="WDLA04" /> <!-- ==Operational history== -->
==Variants== ;Lightfex :Medium sized glider with wing area of {{convert|13.8|m2|sqft|abbr=on}} and a pilot recommended weight of {{convert|45|to|75|kg|lb|abbr=on}}. DHV certified as Class 2.<ref name="WDLA04" /> ;Perfex :Large sized glider with wing area of {{convert|16|m2|sqft|abbr=on}} and a pilot recommended weight of {{convert|70|to|105|kg|lb|abbr=on}}. DHV certified as Class 1-2.<ref name="WDLA04" /> <!-- ==Aircraft on display== -->
==Specifications (Perfex) == {{Aircraft specs |ref=Bertrand<ref name="WDLA04" /><ref name="Perfex" /> |prime units?=met<!-- imp or kts first for US aircraft, and UK aircraft pre-metrification, met(ric) first for all others. You MUST choose a format, or no specifications will show --> <!-- General characteristics --> |genhide=
|crew=one |capacity= |length m= |length ft= |length in= |length note= |span m=9.4 |span ft= |span in= |span note= |height m= |height ft= |height in= |height note= |wing area sqm=16 |wing area sqft= |wing area note= |aspect ratio=5.5:1 |airfoil= |empty weight kg=22 |empty weight lb= |empty weight note= |gross weight kg=123 |gross weight lb= |gross weight note= |more general= <!-- Performance --> |perfhide=
|max speed kmh= |max speed mph= |max speed kts= |max speed note= |cruise speed kmh= |cruise speed mph= |cruise speed kts= |cruise speed note= |stall speed kmh=22 |stall speed mph= |stall speed kts= |stall speed note= |never exceed speed kmh=80 |never exceed speed mph= |never exceed speed kts= |never exceed speed note= |g limits= |roll rate= |glide ratio=10:1<!-- at {{convert|XX|km/h|mph|0|abbr=on}} --> |sink rate ms= |sink rate ftmin= |sink rate note=<!-- at {{convert|XX|km/h|mph|0|abbr=on}} --> |lift to drag= |wing loading kg/m2=7.7 |wing loading lb/sqft= |wing loading note= |more performance= }}
<!-- ==See also== --> {{aircontent <!-- include as many lines are appropriate. additional lines/entries with carriage return. --> |see also= |related=<!-- related developments --> |similar aircraft=<!-- similar or comparable aircraft --> |lists= }}
==References== {{reflist}}
==External links== *{{Official website|http://www.finsterwalder-charly.de/en/hanggliders-a-accessories.html}} {{Finsterwalder aircraft}}
Category:Hang gliders