Motorcycle Project

Design and make a project of simple construction,suitable for a Leaving Certificate Technology class.

1. Main body

2. Front forks

3. Handlebars

• 3 Wheels

• 1 Motor

• 2 Battery Holders

• 1 Switch

• 1 Gears Wheel

• 1 Worm gear

• 1 Seat & Petrol Tank

• 4 AA Batteries

Additional components required:

Three part design:

Motorcycle Project

The Main body or frame:

Body profile made from sheet Aluminium 1mm, Blank size shown in the diagram.

Finished outline is Symmetrical.

Profile marked out, holes drilled and then cut from given blank according to accompanying dimensioned drawing

Finished part.

The finished profile is then bent to shape as shown.

Motorcycle Project

Front forks:

Mark out the desired profile according to the given dimensions. Then drill the three Ø 4mm holes and cut out the profile.

Now bend both sides at right angles to produce the final design as shown.

Motorcycle Project

Handlebars

Mark out and drill the blank. Cut out the profile and finally bend as required.

Completed Handlebars shown opposite.

Motorcycle Project

Assembled view of the three main parts of the Motorcycle

The additional components are then added to give the final assembled Motorcycle project shown.

Main parts assembled:

Finished Motorcycle:

Handlebars

Main body

Front forks

Motorcycle Project

Finishing MethodsAs with all projects there are a number of possible finishes.

Polishing: Fine grade emery cloth

Graded Steel Wool

Mechanical: Polishing Mops & soaps

Mottling

Chemical Polishes: Brasso, Silvo, Peek.

Plastic Coating: Dip coating

Painting: Standard colours & specialist paintsMetal Spraying: Cold spray able Metal coatings.

www.artcam.com

Motorcycle Project

Metal Dyes:

These are special chemical that react with the metal to produce a range of finishes.

Antiquing solutions

Cupric Nitrate

Cobalt Nitrate

Copper Sulphate

Silver NitrateSample of special Chemical finishes:

Black

Rusty Brown

Tri ColourFlemish Violetwww.ssschemical.com/

Motorcycle Project

Project Enhancements:

Introduce Timing circuits: Travel set distance forward / reverse

Flashing LED’s: Astable circuit

Sound Chip: Motor Cycle Sound when switched on.

Tilt Switches: Turn off the Drive should the Motor Cycle fall over.

Finally design and make a suitable Seat and Fuel Tank for the project.

Motorcycle Project

Some typical Technology room sheet metalworking tools:

Tin Snips

Hand Nibbler

Sheetmetal Clamp

Bench vice folders

Simple vice jaw folders

Conical drill

Shears

Folders

Rollers Combined bench mounted, hand operated rollers, folders and shears.

Folding Bars