NRRI hand operated rice winnower
It is a simple manual winnowing machine to clean threshed paddy crop, suitable for small farmers and women friendly.
The machine consists of a blower, hopper, vibratory feeding tray, discharge chute and supporting frame.
Advantages:
- Easy
to operate and clean paddy crop timely so it is easy to maintain crop. 
- Farmers got better market price of clean paddy.
Specifications
| Type | Movable | 
| Dimensions,
  LxWxH, mm | 1400x570x1200 | 
| Weight,
  kg | 35 | 
| Gear : pinion (dia) | 270 : 50 mm | 
| Capacity           | 90 kg/hr | 
| Cleaning efficiency      | 96% | 
| Unit cost | Rs 6000/- (approx) | 
| Labour required           | one | 
| Cost of operation | Rs 10/- per quintal | 
| Material
  used for making | MS
  sheet, angle iron, ms rod  etc |