The IPT-6 Stratus, was a high-performance two-seat, high-wing sailplane.[1]
| Stratus | |
|---|---|
| Role | Sailplane |
| National origin | Brazil |
| Manufacturer | Instituto de Pesquisas Tecnológicas |
| Designer | Johannes Lepper |
| First flight | 1944 |
| Number built | 1 |
Design and development edit
Stratus was conceived soon after its predecessor IPT-5 Jaraguá, created by Estonian engineer Johannes Lepper, who himself made the first flight of this sailplane.[1]
Construction edit
It was built with the fuselage caves were made of guapuruvu and freijó, and the bird ribs were also made of freijó. The outer skin was made of pine plywood from paraná pine. The few metal sheets were chrome-molybdenum steel plates and tubes, 1/8-inch diameter flexible steel cables, and uprights also of chrome-molybdenum steel.[1]
Specifications edit
Data from Pereira de Andrade 1986, p. 123
General characteristics
- Crew: 1
- Length: 6.80 m (22 ft 4 in)
- Wingspan: 15 m (49 ft 3 in)
- Empty weight: 160 kg (353 lb)
- Gross weight: 250 kg (551 lb)
Performance
- Maximum speed: 120 km/h (75 mph, 65 kn)
- Wing loading: 15.64 kg/m2 (3.20 lb/sq ft)
See also edit
Aircraft of comparable role, configuration, and era