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词条 Lommatzsch Lom-61 Favorit
释义

  1. Design and development

  2. Operational history

  3. Aircraft on display

  4. Specifications

  5. References

name=Lom-61 Favorit image=Lommatzsch Favorit.jpg caption=

}}{{Infobox Aircraft Type

type=High performance single seat glider national origin=German Democratic Republic manufacturer=VEB Apparatebau Lommatzsch designer=Hans Wegerich, Hans Hartung and Wolfgang Heintze first flight=c.1961 introduced= retired= status= primary user= more users= produced= number built=5 program cost= unit cost= developed from= variants with their own articles=
}}

The Lommatzsch Lom-61 Favorit is a single seat, high performance glider designed and built in the German Democratic Republic in the early 1960s. A small number were used by clubs.

Design and development

The Lommatzsch factory of the Volkseigener Betrieb Flugzeug (Association of the People's Aircraft Enterprises) was responsible for glider design and production in the DDR.[1] The Lom-61 was principally designed by Hans Wegerich, Hans Hartung and Wolfgang Heintze.

The Favorit has a high wing with a 6-series NACA laminar flow airfoil, straight tapered in plan. This was built in two pieces around a single spar at 40% chord with pine and honeycomb supported plywood skin, linked by a central section integral with the fuselage. There are Schempp-Hirth airbrakes mounted further aft than usual, at 70% chord. The ailerons are gapless and split into pairs on either side.

The wooden fuselage of the Favorit is slender, with a maximum cross section of 0.38 m², and tapers rearwards only gently. The tail surfaces are straight tapered, with marked sweep on the fin but none on the rudder, which extends to the keel. The horizontal surfaces are mounted on top of the fuselage, forward enough for the rudder hinge to be ahead of the elevator trailing edge. Forward of the wing, the cockpit is under a long, low, single piece canopy. The Favorit lands on a fixed monowheel, partially enclosed in the fuselage, rubber sprung and fitted with brakes, assisted by a rubber sprung nose skid.

The Lom-61 first flew, as its name suggests, around 1961. Though variants for 1962-4 were discussed, they were not built.

Operational history

Only five Favorits were built, flying competitively in the DDR until 1980. One set a national record of 107 km/h (67 mph) over a 100 k (62 mi) triangle; another was the first to fly a German 50 km (310 mi) triangle.

Aircraft on display

German sailplane museum, Wasserkuppe:DM-2704

Specifications

{{Aircraft specs
|ref=Segelflugzeuge
|prime units?=met


|genhide=
|crew=One
|length m=6.74
|length note=
|span m=15.00
|height m=2.00
|height note=
|wing area sqm=12.40
|wing area note=
|aspect ratio=18.15
|airfoil=NACA 652-615.5
|empty weight kg=225
|empty weight note=
|gross weight kg=335
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|more general=


|perfhide=
|max speed kmh=20
|max speed note=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed note=
|minimum control speed kmh=
|minimum control speed mph=
|minimum control speed kts=
|minimum control speed note=
|ceiling m=
|ceiling ft=
|ceiling note=
|g limits=
|roll rate=
|glide ratio=38:1 at 95 km/h (59 mph; 51 kn)
|sink rate ms=0.60
|sink rate note=minimum, at 76 km/h (47 mph; 41 kn)
|lift to drag=
|wing loading kg/m2=27.0
|wing loading note=
|more performance=

  • Landing speed: 70 km/h (44 mph; 38 kn)

}}{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
}}

References

1. ^{{cite book |title= Jane's All the World's Aircraft 1960-61|last= Taylor |first= John W R |coauthors= |edition= |year=1960|publisher= Sampson Low, Marston & Co. Ltd|location= London|isbn=|pages=173–4 }}
[1]
}}

4 : Aircraft manufactured in East Germany|Glider aircraft|High-wing aircraft|Aircraft first flown in 1961

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