Lighter-Than-Air Systems Laboratory


Department of Aerospace Engineering



Email:ltasyslab@aero.iitb.ac.in, Phone: +91-(0)22-2576 4115

Wedge Type Heat Sealing Machine

Heat Sealing of Inflatable Fabrics

Manufactured by Seamtek the W-900-AT model consists of a hot wedge type heating element and can heat and seal MPET, LDPE, Mylar, PVC, PU coated Nylon

Specifications

  • Speed- 0.5-30 m/min

Hydrogen & Helium Gas Cylinders

Filling up Airship and Aerostat Envelopes Test Permeability of Envelopes

Manufactured by MED Gas Equipment

Specifications

  • Capacity: 7 metric cube

 

Precision Balance

Measurement of Weight

Specifications

  • Model BL 2200H
    • Capacity : 2200gms
    • Accuracy: 10mg

     

  • Model CTG 50 Capacity
    • Capacity : 50 kg
    • Accuracy: 5gms
    • Platform Size:400 x 400mm

Gas Permebility Tester

Used to Determine Permeability of a Fabric

Manufactured by EQALE Enterprises, this equipment can be used to record the effect of temperature on fabric permeability. It is a very easy operate machine which makes use of the movement of water bubble in capillary tube to measure leak rate.

Specifications

  • Power Supply :   220V , 1ϕ
  • Pressure Gauge:0-100 lb/in2 or -7 kg/cm2

 

Hot Air Oven

Providing Conditioning Chamber to Test Different Fabric Properties under Different Conditions

 

Company: EQALE Enterprises

 

Features

  • Different materials such as fabric, yarns, plastics, papers, etc. can be tested
  • Effect of long term  ageing are reproduced within a much shorter  period of time
  • Temperature & Time limit can be changed  as per our requirement

 

Specifications

  • Dimension : 450 x 450 x 450mm
  • Temperature range : Ambient to 200°C
  • Temperature accuracy: +/- 1°C
  • Electrical requirement : 1φ, 220-240V, 3KWh, 50Hz

 

Flammability Tester 45°

Testing the Rate of Burning of Different Fabrics

 

Based on ASTM D1230 this machine has been manufactured by EQALE Enterprises.

Features

  • Special Gas Regulator
  • Resettable Digital Timer for setting time
  • Specially Designed Gauge for setting flame position
  • 45 degree flammability tester to check flame resistance of fabrics
  • Standard stop chord of 50 Tex
  • Mild steel construction for long life and aesthetics

 

Specifications

  • Power Supply : 220V
  • Timer : Digital
  • Accuracy : 1/10th of a second
  • Flame Spread : 130 mm
  • Gauge : 19mm ,16mm ,8mm
  • Flame Length : 8mm

Digital Tensile Testing Machine

Used to Perform Standard Tensile Tests on Ropes, Materials and Components

Features

  • Overload protection: Limit switch to cut off load application beyond preset maximum value
  • Option to test sample on compression mode
  • Machine returning to home position after test completion

Specifications

  • Capacity : 2 Tons / 20 kN
  • Least count : 100 gm
  • Speed of Machine : 75 – 500mm/min
  • Display Panel : (i) Load (ii) Reset (iii) Peak Load
  • Standard followed : ASTM D-412
  • Power Requirement : 3φ AC

De-Mattia Flex Tester

Used to Carry Out Flexural Strength Testing of Different Fabrics

 

Features

  • Consists of a nine digit electronic counter

Specifications

  • Capacity : Six Specimens
  • Flexing Frequency : 300 +/-10 cpm
  • Maximum Grip Opening : 75 mm
  • Company : EQALE Enterprises

    •  

Bursting Strength Tester

Used to Check the Bursting Strength of Fabrics

 

Features

  • Consists of two diaphragms for increased accuracy
  • Microcontroller based digital display
  • Glycerine is used to increase pressure

Specifications

  • Pressure Range : 0-70kg/cm2
  • Company : Megatech Overseas India LTD.

 

Fabric Thickness Tester

Used for Checking the Thickness of Fabrics and Sheets

Company: EQALE Enterprises

 

Specifications

  • Not applicable

 

Digital Weighing Balance

Checking Weight of Fabrics, Sheets & Small Components

 

Company: JK & PC Texlab Equipments

Specifications

  • Least Count 0.001-220gm
  • Pan Size (Diameter)- 105mm

 

Computational Workstation

Used to Perform CFD and FEM computations

 

Specifications (To be soon upgraded)

  • Processor

    • AMD Ryzen 9 3900x Processor
    • 16 core (32 core through Hyperthreading)

  • RAM:

    128 GB DDR4, Speed: 3600 MHz

  • Memory Graphics Card

    • NVidia RTX 3090x Processor
    • 24 GB GDDR6

  • Operating System:

    Windows and Ubuntu (Linux) OS

  • Memory :

    • Samsung 980 Pro 2TB Gen 4 SSD
    • 2TB x 2 HDDs

 

Helium leak Detector

Detecting the Leak of Envelope of LTA Systems

 

Company: Oerlikon Leybold Vacuum India Limited

 

130 W CO2 CNC Laser Cutter

Two-Dimensional Cutting of Fabrics, Plywood, Balsa and Acrylic Sheets

Company: Suresh Indu Lasers Private Limited

Specifications

  • Water cooled
  • Dimensions: 200*1200 mm
  • Company : Megatech Overseas India LTD.
  • Power: 130 W
  • 64 bit controller

 

Three Axis CNC Router & Hot Wire Cutter

Two-Dimensional Cutting of MDF, Aluminium, Composites- CFRP, Acrylic, Polycarbonates

 

Company: SVP Laser Technology Pvt. Ltd.

Specifications

  • Size: 1200*1200*100 mm
  • 2 HP router
  • 1 m hotwire

 

Creality 3D Printer

Used for 3D Printing of Moulds, Structures and Various Geometric Shapes for Prototyping

Features

  • Can Print PLA, ABS, PC, Nylon, TPU, PETG

Specifications

  • Company: Shenzhen Creality 3D Technology Co., Ltd / WOL3D India
  • Build Volume: 450x450x470 mm
  • Nozzle Size: 0.4,0.8 mm
  • Precison : 0.1mm
  • Power: 750 W

 

Helium Compressor

Used for Compressing Helium Gas from Aerostat/Airship to Helium Cylinder

 

Company: M/S. Elgi Sauer Compressors Limited

Specifications

  • Three Stage Three Cylinder Compressor
  • Working Pressure : 140 bar
  • Maximum Pressure Load : 200 bar
  • Flow rate : 5-10 m3/hr
  • Input Voltage: 415 volts
  • Air-Cooled