DRDO - Aero India 2023

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- Aero India 2023 Details

CVRDE

Power Take Off Shaft

Salient Features

High power transmission capability (up to 250 hp)
High speed of operation (up to 21,000 rpm)
High precision, multi-plane Dynamic balanced
Ability to accommodate larger misalignments
Designed to negotiate higher critical speeds
Light weight (as low as 1.6 kg)
Back-lash free
Lubrication free
Corrosion proof to endure harsh environments
Higher Reliability

Specification

Rated Speed : 16,810 rpm
Torque Nominal : 105 Nm
Starting Torque : 372 Nm
Over Speed : 17,520 rpm
Power Rating : 185 kW
Max. Misalignment

Axial : 5 mm
Lateral : 11.15mm

Length of Shaft : 510 mm
Shear Section : 575 Nm

Application of the Product

LCA TEJAS

Aircraft Mounted Accessory Gearbox

Functions

Transmits Starter Drive from JFS to Engine
Accessory Drive from Engine to following Accessories

Hydraulic pumps (2 Nos) : 60 kW @ 6000 rpm
Generator (1 No.) : 40 kW @ 7950 rpm
Jet Fuel starter (JFS) : 96 kW from 0 to 9700 rpm

Salient Features

Light Weight, High Speed
Thin-Walled Magnesium Alloy Casings
High Precision Gears - AGMA Class 12/DIN Class 5
Self Contained Lube System
Mini-Cored Oil Galleries
High Power-to-Weight Ratio
Online Condition Monitoring Facilities

Specification

Driven by : GE-F404-IN20
Power Transmitted : 185 kW (250 hp)
Speed : 16,810 rpm
Weight : 38 kg
Overall Dimension : 720 x 450 X 120 mm

Application of the Product

LCA TEJAS

5 kW BRUSHLESS DC GENERATOR

Salient Features

Multi-stage brushless technology
Light weight and high-power density
Autonomous mode
Embedded system based GCU
Precise voltage regulation
Built-in test and protection
Compliance: MIL STD 704D,461G

Specification

Generator

Power : 5 kW
Voltage : 28 V DC
Speed range : 8900 to 14100 rpm
Weight : 8.8 kg
Overall Dimension : 720 x 450 X 120 mm

Generator Control Unit (GCU)

Weight : 2.5 kg

Application of the Product:

LCA TEJAS

Aircraft Bearings

Salient Features

High Reliability 99% (L1 life)
Wide operational temperature range -54⁰ C to 150⁰C
Made of M50 steel with VIM VAR process
Made of M50 steel with VIM VAR process
Made of M50 steel with VIM VAR process
Made of M50 steel with VIM VAR process
Machining to Dimensional and Geometric accuracy < 10 µm
Machining to Dimensional and Geometric accuracy < 10 µm

Specification

Size range (ID) : 20 to 42 mm
Speed range : 5,500 to 18,000 rpm
Load range : 360 to 2,300 N
Load range : 360 to 2,300 N
Precision class : ABEC 5 & RBEC 5
Life : 1000 h (L1)

Application of the Product

Aircraft Mounted Accessory Gearbox (AMAGB) in LCA TEJAS

Aerospace and Submarine Filters

Salient Features

Filtration Rating

Filtration Rating : 3 Micron to 5mm
Filtration Media : Glass fibre, SS mesh, wedge wire and poly- propylene
Fluid Medium : Hydraulic oil, Lube oil, Fuel & Seawater
Safety Devices : Unique By-Pass valve, Automatic shut-off valve, Clogging indicator

Performance

Higher filtration rating
Higher filtration rating
Outstanding reliability in flow fatigue
High differential collapse pressure

Certification

CEMILAC, MSQAA, DME, DGQA

Application of the Product:

LCA - TEJAS Hydraulic Filters & LCA - AMAGB Lube filter with AMAGB