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Design a forward-moving, back-ward moving, steerable,

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Rollabuggy. Introduction Brief. Design a forward-moving, back-ward moving, steerable, hand operated, electrically-controlled vehicle with materials available to you. Rollabuggy Construction. The following slides are intended as a guide for construction. Students

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Presentation Transcript
slide1
Rollabuggy

Introduction Brief

Design a forward-moving, back-ward moving, steerable,

hand operated, electrically-controlled vehicle with materials available to you.

slide2
Rollabuggy Construction

The following slides are intended as a guide for construction. Students

are encouraged to come up with their own creative solutions other

than offered here and substitute materials that are available to them.

Figure- example

of a completed

vehicle.

slide3
Chassis Ideas

The frame of a vehicle is called a chassis. Design one or modify

that meets your needs and materials available to you.

The Rollaguggy uses a tin can for wheels and as a pulley to

attach a rubber band to. These examples do not steer.

slide4
Different ways to attach the rubber bands from the motor to the tin can.

Rubber Bands also supply traction.

The first configuration can make

use of the steering mechanism by

omitting the front can and replacing

it with a single wheel.

slide5
Steering

The vehicle turns when it goes in reverse.

Forward – friction pushes wheel back

against rear stop, vehicle goes straight

slide6
Reverse - friction pushes wheel

against front stop – vehicle turns

Under side view of the steering.

slide7
Motor is attached here

with a metal strap.

Can you think of other ways

to attach the motor?

A welding rod

is used here for

an axle. A coat

hanger or a long

nail will also

work.

slide8
Is this section of the chassis necessary?

You can choose to have your

batteries attached to the Buggy

or at the Controller.

Underside view

slide9
Remote Controller

The remote control is actually a two way switch. It can control the

Rollabuggy in forward and reverse direction.

slide10
Remote Control

Top views

To power supply

Elastic

bands

slide11
Make wire connections

to motor here.

Top View of controller

Rubber Bands

are missing on

this controller.

They are not

necessary.

This is a battery snap

for a 9 volt battery. You

Can wire directly to your

Power supply.

slide12
Remote Control Construction

Under side

views

To motor

slide14
Click on the picture to view a movie of the Rolla buggy in action.

The rod standing straight up is to help prevent the wires from tangling

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