Table 9 Specifications of the PAU Smart Seeder, Happy Seeder and Super Seeder.
From: PAU Smart Seeder: a novel way forward for rice residue management in North-west India
Description or component | Happy Seeder (HS) | Super Seeder (SS) | PAU Smart Seeder (PSS) |
|---|---|---|---|
Mounting type | Tractor mounted | Tractor mounted | Tractor mounted |
Power required (hp) | 50 | 60 | 50 |
Transmission system | Tractor PTO (540 rpm) | Tractor PTO (540 rpm) | Tractor PTO (540 rpm) |
Weight (kg) | 730 | 1080 | 810 |
Sowing unit | |||
Number of furrow openers | 10 | 11 | 9 |
Type of furrow openers | Inverted t-type | Combination of moving disc and tine | Fixed disc type |
Row spacing (mm) | 225 | 225 | 220 |
Seed and fertilizer metering devices | Fluted feed rollers | Fluted feed rollers | Fluted feed rollers |
Straw management unit | |||
Rotor blade type | Inverted gamma Flails | LJF rotavator blades | J shape blades |
Method of mounting on rotor | Hinged | Bolted, fixed | Bolted, fixed |
Diameter of rotor with blade | 750 mm | 458 mm | 550 mm |
rpm of rotor shaft at 540 rpm of PTO shaft | 1000 | 270 | 188 |
Peripheral speed of rotor blades, m/s | 39.3 | 6.5 | 5.4 |
Power transmission system for rotor unit | |||
Primary reduction | Spur and bevel gears combination | Spur & bevel gears combination | Spur & bevel gears combination |
Secondary reduction | V-belts | Spur gears | Spur gears |