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Scale 1/5,2

Scale:                  1/5,2
Span:                   2.60 Mtr
Weight:               2.5 Kgs
Wing section:    E205 
Five functions: Elevator, Rudder, Aileron, Airbrake and tow release.

Includes printed plan




The Raab Doppelraab is a German training glider produced in the early 1950s which proved popular with gliding clubs. A student pilot was accompanied by an instructor in a small space behind him, sharing the control column and with a dual rudder bar. The Doppelraab could be flown solo for later basic training.

The Doppelraab has a pod-and-boom style fuselage, though the wood-framed, ply-skinned boom is quite deep and has a triangular section. The fabric-covered, parallel chord horizontal tail, carrying separate elevators, is mounted on top of the fuselage. The fin is narrow and ply covered but mounts a broad, fabric-covered rudder which extends below the bottom of the fuselage, where a small underfin protects it and carries a small tailskid. Forward of the wing trailing edge the fuselage becomes much deeper and is metal framed, forming the cockpit. In the prototype, the student's position was conventional and provided with a windscreen of single curvature and with open sides; the instructor squeezed into a small space behind the student and sat astride a pillion seat in a kneeling position, his weight partly supported by knee pads on either side of the forward seat. He could reach over the pupil to the top of an extended control column and his feet pointed backwards to rest on a duplicate rudder bar. Later production machines retain this layout but have a completely enclosed canopy and a slightly raised, bench type instructor's seat. The early prototypes experimented with both forward monowheel and bicycle undercarriages but the production aircraft settled on a rearward placed monowheel with a long forward skid

General characteristics:


Crew: 2

Length: 6.90 m 

Wingspan: 12.76

Wing area: 18 m2 

Aspect ratio: 9.74

Empty weight: 185

Grosds weight: 380 kg