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Yugoslavia's Rogozarski IK-3 fighter1
Rogozarski IK-3 prototype:
Design
Ljubomir Ilic and Kosta Sivcev started to design the IK-3 in 1933.1 In 1936 the drawings were turned over to the military for evaulation.1
Fuselage
The fuselage of the IK-3 had a steel tube airframe with canvas and metal covering.1
Wing
The wing was mainly constructed of wood with some steel tube reinforcements.1
Engine
Avia built the Hispano-Suiza engine on license.1 The IK-3's engine drove a metal three bladed variable pitch propeller.1
Prototype
In March 1937 a contract was signed to order a prototype.1
In May 1938 the prototype made its first flight.1 The prototype was found to be very maneuverable.1
The prototype crashed on January 19, 1939 killing Milan Pokoni the test pilot.1
Production
An order for twelve aircraft was placed in October 1938.1 These were delivered by July 1940.1
Variants
- Prototype: Had a Hispano-Suiza 12 Y29 engine (910 HP) with a supercharger.1
- IK-3:
Usage
German Invasion
There were six IK-3s ready to fight against the German invasion which occurred on April 6, 1941.1
| Rogozarski IK-31 | |
|---|---|
| Type | Fighter1 |
| Crew | 11 |
| Engine (Type) | Hispano-Suiza (Avia) 12 Ycrs1 |
| Cylinders | V 121 |
| Cooling | Liquid1 |
| Net HP | 9101 |
| Propeller blades | 31 |
| Dimensions | |
| Span | 33' 101 10.3 m1 |
| Length | 26' 4"1 8 m1 |
| Height | 10' 8"1 3.25 m1 |
| Wing area | |
| Weight | |
| Empty | |
| Loaded | 5,796 lb1 2,630 kg1 |
| Performance | |
| Speed @ 17,700' / 5,400 m |
326 mph1 526 kph1 |
| Cruising speed | |
| Endurance | |
| Climb | |
| Service ceiling | 31,000'1 9,400 m1 |
| Range | 490 miles1 785 km1 |
| Armament | |
| Propeller shaft | 1: 20 mm1 |
| Nose | 2: MG1 |
Sources:
- Complete Book of World War II Combat Aircraft, Enzo Angelucci, Paolo Matricardi, Pierluigi Pinto, 1988
