Disk mountain falcon IV

Disk mountain falcon IV
Type:	Glider
Design country:	BR Germany
Manufacturer:	Scheiben-Flugzeugbau GmbH
Production time:	until about 1979

The Scheibe Bergfalke IV is a two-seater glider in composite construction for training and performance flight from the manufacturer Scheibe-Flugzeugbau in Dachau .

history

The Bergfalke IV represented the last development stage of the Bergfalken series, in which emphasis was placed on improved performance in high-speed flight.

construction

The fuselage consists of a tubular steel frame welded in a half-timbered construction . The seats are at the same height one behind the other and have a large, one-piece blown, laterally hinged hood, which is also used on the SF 28 motor glider . The nose of the fuselage is clad with GRP and is a bit more pointed than its predecessor. The rear part of the fuselage has a semicircular GRP cladding at the top. A rigid, unsprung central wheel serves as the chassis. A runner is no longer available.

The wing structure is designed as a single spar and divided for easy installation. The profile is a modified Wortmann laminar profile. In contrast to the previous models, the wing is not swept and designed as a double trapezoid. In contrast to the Bergfalken III, the wingspan has been increased slightly. Schempp-Hirth airbrakes that extend on both sides serve as landing aids. The tail is shaped like the previous models as a self-supporting timber construction. The fins are covered with plywood and the oars with fabric. The rudder is firmly attached to the fuselage; the horizontal stabilizer is placed on the fuselage from above.

Technical specifications

Two side view of the D-2512 with a German license plate , previously owned by the Swedish air force used

Parameter	Data
crew	1 + 1
length	8 m
span	17.20 m
Wing area	m²
Wing extension
Glide ratio	32 at approx. 95 km / h
Slightest sinking
Empty mass	310 kg
Max. Payload	210 kg
Max. Takeoff mass	520 kg
Max. Wing loading	kg / m²
Minimum speed	~ 70 km / h
Top speed	200 km / h

See also

• Disk Mü 13 E Bergfalke I
• Disk mountain falcon II
• Disk Bergfalke II / 55
• Disk mountain falcon III
• Disk mountain falcon IV
• List of aircraft types

literature

• Gerd Zipper: Falkenhorst. The history of the disk planes . Weishaupt, 1999, ISBN 3-7059-0059-5 .

Web links

Commons : Scheibe Bergfalke  - Collection of images, videos and audio files

• Disc of sailplanes. (PDF) EASA.A.099. In: Type-Certificate Data Sheet. European Aviation Safety Agency , February 11, 2016, accessed June 22, 2018 .