The Horten IV of 1940
By Johannes Lemburg
The Horten IV
| Usage | High Performance Sailplane |
| Fuselage Construction | Steel tube |
| Wing Construction | Wood (Metal Wingtip) |
| Capacity | 1 Pilot |
| Span | 24.2 m |
| Sweep Angle | 16.7 degrees |
| Taper Ratio | 7.0 |
| Wing Root Thickness | 16% chord |
| Wing Root Depth | 1.25 m |
| Rib Spacing | 0.20 m (0.10 at the leading edge) |
| Wing Area | 17.8 m2 |
| Aspect Ratio | 32.4 |
| Pilot position | Prone |
| Mid-section width | 1.6 m |
| Cockpit width | 0.8 m |
| Cockpit height (from seat) | 0.5 m |
| Empty weight | 330 kg |
| Ballast (water) | --- |
| Additional payload | 80 kg |
| Maximum weight | 410 kg |
| Wing loading | 23.0 kg/m2 |
| Stall speed | 64 km/h |
| Landing speed | 64 km/h |
| Minimum Sink | 0.45 m/s at 70 km/h and 23.0 kg/m2 loading |
| Best Glide Ratio | 45:1 at 83.5 km/h and 23.0 kg/m2 loading |
| Maximum speed | 200 km/h |
Source: http://www.fva.rwth-aachen.de/projekte/horten.html
Autor: Johannes Lemburg, Stand: 14.12.1999
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