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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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Design a forward moving back ward moving steerable

Rollabuggy

Introduction Brief

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

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


Design a forward moving back ward moving steerable

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.


Design a forward moving back ward moving steerable

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.


Design a forward moving back ward moving steerable

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.


Design a forward moving back ward moving steerable

Steering

The vehicle turns when it goes in reverse.

Forward – friction pushes wheel back

against rear stop, vehicle goes straight


Design a forward moving back ward moving steerable

Reverse - friction pushes wheel

against front stop – vehicle turns

Under side view of the steering.


Design a forward moving back ward moving steerable

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.


Design a forward moving back ward moving steerable

Is this section of the chassis necessary?

You can choose to have your

batteries attached to the Buggy

or at the Controller.

Underside view


Design a forward moving back ward moving steerable

Remote Controller

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

Rollabuggy in forward and reverse direction.


Design a forward moving back ward moving steerable

Remote Control

Top views

To power supply

Elastic

bands


Design a forward moving back ward moving steerable

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.


Design a forward moving back ward moving steerable

Remote Control Construction

Under side

views

To motor


Design a forward moving back ward moving steerable

Underside View of Controller


Design a forward moving back ward moving steerable

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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