IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Lecture 4

Fly MAVs

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Flying

� Flying Skills

¾ controlling aircraft in flight and on ground

� Maintenance & Operation

¾ support before, during & after flight

¾ keeping the aircraft flight worthy

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Aircraft Types - Flight Control

� Paper planes

� Chuck Gliders

� Control Line / Tow Line

� Radio Controlled

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Paper planes / Chuck Gliders

� Hand / Catapult Launch

� No control during flight

� Fixed Control Surface deployment

� Limited Manoeuvres

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Chuck Gliders

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Chuck Gliders

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Control Line

� Fly in circles

� Mechanical transmission of Flight Control

� No engine control - fuel limited flight

� Only elevator control

� Fuselage not significant

� Partner Essential

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Control Line

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Control Line

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Control Line

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

R/C Flying

� Most popular model flying

� Model fully controllable in flight

� Complex Manouevres possible

� Flying skills to be learnt / developed

� Expensive for an individual

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

R/C Transmitter

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Flight Training - Simulator

� PC Based (joystick)

� Low Risk & Cost

� Can quicken on-field learning

� Advanced Software & Controls available

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Simulator Training

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Simulator Training

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Flight Training - On Field

� Sun & wind effects on flyer & model

� Pilot is not onboard - relative motion

� Visual & aural cues

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Pre-Flight Tasks

� Engine Test

� Charge R/C transmitter

� Charge Receiver battery pack

� Charge Starter

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Engine Test Bed

� Mount engine with fuel supply

� Adjust throttle and fuel richness

� Check running time for full tank

� Try cranking (chicken stick)

� Learn adjusting fuel richness

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Take to the Field

� Aircraft model (fuselage, wing & engine)

� Rubber bands (if required)

� Fuel & pump

� Glow plug (Starter)

� Chicken Stick (if required)

� R/C Transmitter

� Cleaning Cloth

� Cap & Sunglasses

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Also take to the Field

� Extra rubber bands

� Adhesive tube

� Screw drivers (flat & star)

� Extra propellers

� Extra fuel tubing

� Scissors / wood knife

� Extra glow plug

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Between sorties

� Switch off receiver unit

� Bring back model

� Visual inspection for external damages

� Check wing alignment

� Check for fuel leakage

� Refill fuel

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Other issues

� Bird interference

� Check transmitter frequency clash

� Maintain separation

� Keep aircraft away from crowds

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

After a flying session

� Remove extra fuel & wing (on field)

� Remove battery pack

� Clean model & wing thoroughly

� Any repairs ??

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Helicopters

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Ornithopters

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Ornithopters

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Ornithopters

IIT Bombay

MIT 2002

MiniatureAerial

Vehicle

DesignBuild

& Fly

Lecture 4: Fly MAVs

Lecture 4

Fly MAVs