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Rogožarski SIM XI
 
Rogo-SIMX-01
 
The Rogožarski management observed that the SIM-X characteristics were very close to an acrobatic plane. It was decided to make some modifications to make an acrobatic plane. Sima Milutinovic designed reinforcements, reducing the wing area, and more powerful engines during 1937.
 
The Rogozarski SIM-XI (Serbian: Рогожарски СИМ-XI) was a single engined, one crew, high wing monoplane, designed and built at the Rogožarski factory in Belgrade.
 
The test flying was conducted by factory test pilot Captain Milan Bjelanovic by the end of January 1938. Factory tests were carried out until 12 March, then tests the experiment group of the Yugoslav Royal Air Force.The plane got excellent grades and and the YAF bought the prototype SIM-XI. This was the first Yugoslav aerobatic aircraft.
 
Engine: 1 × Siemens Sh14a, 110 kW (150 hp)
Propeller: 2-blade
Wingspan: 9.40 m (30 ft 10 in)
Wing area: 17.30 sq.m (186.2 sq ft)
Length: 7.16 m (23 ft 6 in)
Height: 2.70 m (8 ft 10 in)
Empty weight: 540 kg (1,190 lb)
Gross weight: 680 kg (1,499 lb)
Maximum speed: 191 km/h (119 mph; 103 kn)
Cruising speed: 168 km/h (104 mph; 91 kn)
Minimum control speed: 88 km/h (55 mph; 48 kn)
Range: 825 km (513 mi; 445 nmi)
Service ceiling: 5,500 m (18,045 ft)
Rate of climb: 4.87 m/s (959 ft/min)
Crew: 1    
 
 
 
 
 
 
 
 


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