| Special number 3 Ku-Ro (So-Ra) | |
|---|---|
 Special Number 3 light tank prototype mockup | |
| Place of origin | Empire of Japan |
| Production history | |
| Designed | 1943/1944 |
| Produced | 1944 |
| No. built | 1 (prototype mockup only)[1] |
| Specifications | |
| Mass | 2.9 t (2.9 long tons; 3.2 short tons) for the tank, with wings added 4.2 t (4.1 long tons; 4.6 short tons)[1] |
| Length | 4.07 m (13 ft 4 in)[1] |
| Width | 1.44 m (4 ft 9 in)[1] |
| Height | 1.89 m (6 ft 2 in)[1] |
| Crew | 2[1] |
Main armament | One Type 100 37 mm tank gun or one 7.7 mm Type 97 machine gun or one flamethrower[1] |
Secondary armament | None |
| Engine | Mitsubishi Franklin air-cooled inline 4-cylinder gasoline[1] 50 hp (37.28 kW) at 2400 rpm[1] |
| Suspension | Bell crank |
| Maximum speed | 43 km/h (27 mph) on road[1] |
The Special number 3 light tank Ku-Ro (特三号戦車 クロ) (also known as the "So-Ra"[1]) was an experimental Japanese winged light tank project, developed during World War II. It is one of the notable aircraft concepts developed during that war.[2]