Der-7 is based on Der-6 and changed model to flying wing. But , maneuverability is not good relatively other flying wing.
Specifications
General Characteristics
- Created On Windows
 - Wingspan 52.2ft (15.9m)
 - Length 31.0ft (9.5m)
 - Height 10.5ft (3.2m)
 - Empty Weight 26,613lbs (12,071kg)
 - Loaded Weight 32,749lbs (14,855kg)
 
Performance
- Power/Weight Ratio 4.117
 - Horse Power/Weight Ratio 0.183
 - Wing Loading 76.3lbs/ft2 (372.5kg/m2)
 - Wing Area 429.2ft2 (39.9m2)
 - Drag Points 4215
 
Parts
- Number of Parts 56
 - Control Surfaces 6
 - Performance Cost 471