| 词条 | Aerotec Uirapuru | |||||||||||
| 释义 |
The Aerotec A-122 Uirapuru was a Brazilian military trainer aircraft. It was a low-wing monoplane with tricycle undercarriage that accommodated the pilot and instructor side-by-side. It first flew on 2 June 1965.[1] In October 1967, the Brazilian Air Force ordered 30 aircraft to replace the obsolete Fokker S.11s and S.12s (T-21s and T-22s) that were operating in the Air Force Academy.[2] Later, they ordered another 40, and then 30 more. These were designated T-23. The Bolivian Air Force ordered 36 examples in 1974, which flew until 1997, and in 1975 the Paraguayan Air Force bought eight aircraft to replace the Fokker T-21 (S.11). In 1986, six more were donated by the FAB. Most of them were withdrawn from service in 1992, replaced by the Enaer T-35 Pillán. As of 2009, only one T-23 is in flying conditions. Thirty others were sold in the civilian market. A total of 155 were built including prototypes by the time production finished in 1977.[3] The T-23 suffered fatal accidents during spin training. The problem was solved after a crash in which an instructor described his stricken aircraft's responses to his control inputs all the way to the end. Uirapurus then received a ventral fin under the rear fuselage to correct the issue. In 1980 interest by the airforce in an improved version led to the development of the Uirapuru II. Variants
Operators
Specifications (T-23){{aircraft specifications|plane or copter?=plane |jet or prop?=prop |ref=Jane's All The World's Aircraft 1971–72 [6] |crew=Two |capacity= |length main= 6.60 m |length alt=21 ft 8 in |span main=8.50 m |span alt=27 ft 10¾ in |height main=2.70 m |height alt=8 ft 11 in |area main=13.50 m² |area alt=145.3 ft² |airfoil=NACA 43013 |empty weight main=540 kg |empty weight alt=1,191 lb |loaded weight main= |loaded weight alt= |useful load main= |useful load alt= |max takeoff weight main=840 kg |max takeoff weight alt=1,825 lb |more general= |engine (prop)=Lycoming O-320-B2B |type of prop=4-cylinder horizontally opposed air cooled |number of props=1 |power main=119 kW |power alt=160 hp |power original= |max speed main=225 km/h |max speed alt=122 knots, 140 mph |cruise speed main=185 km/h |cruise speed alt=100 knots, 115 mph |stall speed main=88 km/h |stall speed alt=48 knots, 55 mph |never exceed speed main=307 km/h |never exceed speed alt=165 knots, 190 mph |range main=800 km |range alt=429 nm, 495 mi |ceiling main=4,500 m |ceiling alt=17,000 ft |climb rate main=4.0 m/s |climb rate alt=787 ft/min |loading main= |loading alt= |thrust/weight= |power/mass main= |power/mass alt= |more performance=*Endurance: 4 hours |armament= |avionics= }} See also{{Portal|Aviation}}{{aircontent||related=*Aerotec A-132 Tangará |similar aircraft= |sequence= |lists= |see also= }} References
1. ^Pereira 1977, p.13. 2. ^Pereira 1977, p. 13-14. 3. ^J W R Taylor 1980, p.10. 4. ^1 {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=39 }} 5. ^Siegrist 1987, p. 194. 6. ^J W R Taylor 1971,p.10.
External links{{commons category-inline|Aerotec A-122 Uirapuru}} 5 : Single-engined tractor aircraft|Low-wing aircraft|Brazilian military trainer aircraft 1960–1969|Aerotec aircraft|Aircraft first flown in 1965 |
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