IPT-6 Stratus

The IPT-6 Stratus, was a Brazilian single-seat, 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

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

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

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

Aircraft of comparable role, configuration, and era

References
  1. Pereira de Andrade, Roberto (1986). A Construção Aeronáutica no Brasil 1910/1976. São Paulo. pp. 122–125. ISBN 9788585262693.{{cite book}}: CS1 maint: location missing publisher (link)
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