Utva Trojka
The Utva C-3 Trojka (Trey) was a light aircraft built in Yugoslavia shortly after World War II as a result of a government competition to develop a new, domestically built aircraft with which to equip the country's flying clubs. The winning design was submitted by Boris Cijan and [Emin Hadzic]] and the prototype was built by Ikarus as the Ikarus 251. Series production took place at Utva as the C-3. It was a conventional, low-wing cantilever monoplane with fixed tailwheel undercarriage. The pilot and instructor sat side by side under an expansive canopy. The type remained in production until the mid-1950s with later examples powered by the more powerful Walter Mikron 4.
C-3 Trojka | |
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A Utva Trojka on display at the Technical Museum in Zagreb | |
Role | Civil trainer |
National origin | Yugoslavia |
Manufacturer | Ikarus, Utva |
First flight | 1946 |
Number built | ca.80 |
Specifications
General characteristics
- Crew: Two, pilot and instructor
- Length: 8.84 m (29 ft 0 in)
- Wingspan: 10.49 m (34 ft 5 in)
- Height: 2.08 m (6 ft 10 in)
- Wing area: 15.5 m2 (16.7 sq ft)
- Empty weight: 374 kg (824 lb)
- Gross weight: 602 kg (1,328 lb)
- Powerplant: 1 × Walter Mikron III , 49 kW (65 hp)
Performance
- Maximum speed: 166 km/h (103 mph, 90 kn)
- Range: 605 km (376 mi, 327 nmi)
- Service ceiling: 3,900 m (12,800 ft)
gollark: The 350M one doesn't seem to exist and I can't really work with anything bigger.
gollark: This is annoying, apparently 6GB of VRAM isn't enough to finetune the 125M GPT-Neo even with a batch size of 1. I might just use Colab.
gollark: Geese are fearsome beings.
gollark: It would take ages to download so I'd prefer not to if it probably won't work.
gollark: Speaking of somewhat underpowered hardware, can I use the 2.7B GPT-Neo model on my RTX 2060 (6GB VRAM) in half precision? Multiplication leads me to think it's possible just considering the parameters, but some internet things imply it won't work presumably because of storing other stuff.
References
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Wikimedia Commons has media related to Utva Trojka. |
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 430–31.
- Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 396.
- "Utva BC-3 Trojka". Insignia: 144. Summer 1999.
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