Koser-Hrovat KB-1 Triglav
| KB-1 Triglav | |
|---|---|
| Role | Sailplane |
| National origin | Slovenia |
| Manufacturer | LIBIS aircraft (Letalski inštitut Branko Ivanuš Slovenija) |
| First flight | 1948 |
Triglav was a Slovenian sailplane, designed and produced by LIBIS aircraft during Yugoslavian period.
It was designed by Jaroslav Košer and Stojan Hrovat, then students of the Ljubljana Technical Faculty (Tehniška fakulteta v Ljubljani) of the University of Ljubljana. The first flight was in 1948. The detailed description was published in the Yugoslavian aviation magazine Narodna Krila (People's Wings) in 1949.[1]
The goal of the design team was to create the new Olympic glider for OSTIV (Organisation Scientifique et Technique du Vol à Voile), in competition with the DFS Meise (which won), amongst others.
Specifications
[edit]Data from [1]
General characteristics
- Crew: 1
- Length: 6.83 m (22 ft 5 in)
- Wingspan: 15.0 m (49 ft 3 in)
- Height: 1.2 m (3 ft 11 in)
- Wing area: 13.25 m2 (142.6 sq ft)
- Aspect ratio: 17
- Airfoil: root Göttingen 549[2] 16%, tip NACA M6 [3]
- Empty weight: 212 kg (467 lb)
- Gross weight: 265 kg (584 lb)
- Max takeoff weight: 302 kg (666 lb)
Performance
- Stall speed: 42 km/h (26 mph, 23 kn)
- Never exceed speed: 300 km/h (190 mph, 160 kn)
- g limits: +12 -10
- Maximum glide ratio: 1:27 at 75 km/h (40 kn; 47 mph)
- Rate of sink: 0.67 m/s (132 ft/min) at 62 km/h (33 kn; 39 mph)
- Wing loading: 20 kg/m2 (4.1 lb/sq ft)
References
[edit]- ^ a b "Jedrlica visokich sposobnocti 'Triglav'" (PDF). webzoom.freewebs.com (in Slovenian). Retrieved 28 October 2014.
- ^ "GOE 549 AIRFOIL". m-selig.ae.illinois.edu. Retrieved 28 October 2014.
- ^ "NACA M6". m-selig.ae.illinois.edu. Retrieved 28 October 2014.
