Metalwork - Exam Papers - OL - Project - 2011

300 Marks

Instructions

  1. Details of a Model Vintage Tractor are shown on the accompanying drawings.
  2. Make and assemble the project using the materials specified in the Parts List.
  3. Replace the axle in the simple gearbox with the Rear Axle (Part 8).
  4. Use an M3 nut to lock the Front Wheel to the M3 x 25 pan head screw.
    Use an M4 nut and an M4 cap nut to lock the Rear Wheel to the Rear Axle (Part 8).
  5. Design, make and attach a Steering Wheel and an Exhaust Pipe for the model .
    (Note : 20% of the marks will be awarded for this section.)
  6. Complete, test and solder the Electric Circuit.
  7. Your Examination Number must be clearly shown in the position indicated on the Main Body (Part 2) as shown on the drawing
  8. Your completed project, clearly identified with your Examination Number, must be available to the visiting examiner along with the necessary testing equipment (battery or transformer).
  9. Note : 20% of the marks will be awarded for Assembly, Finish and Function.

 

Parts List

Part No. Part Name Required Material and Description
1 Front Axle Support 1 1.5mm, Aluminium (polished or Painted)
2 Main Body 1 1.5mm, Aluminium (polished or Painted)
3 Seat 1 3mm, Coloured Acrylic
4 Support Unit 1 1.5mm, Aluminium (polished or Painted)
5 Grill / Battery Support 1 1mm, Aluminium Perforated Sheet (2mm Hole)
6 Left Mudguard 1 1.5mm, Aluminium (polished or Painted)
7 Motor Mount Spacer 1 5mm, Coloured Acrylic or Aluminium
8 Rear Axle 1 Ø4 mm, Brass (Polished)
9 Right Mudguard 1 1.5mm, Aluminium (polished or Painted)
10 Step 2 10mm, Aluminium Square Bar (Polished or Painted)

As Supplied

Part No. Part Name Required Material and Description
11 Switch 1 Toggle
12 Motor 1 Ø24 x 27
13 Motor Holder 1 Self Adhesive Type
14 Battery Holder + Clip 1 AA x 2
15 Simple Gearbox 1 Small Gearbox, Worm Drive
16 Rear Wheel 2 Ø75mm x 20mm, 4mm Axle Hole
17 Front Wheel 2 Ø45mm x 16mm, 3mm Axle Hole
18 M3 x 16 Pan Head Set Screw 4 Brass or Steel
19 M3 x 25 Pan Head Set Screw 2 Brass or Steel
20 M3 x 10 CSK Set Screw 2 Brass or Steel
21 M3 Pan Head Set Screw 3 Brass or Steel
22 M3 Hex Nut 7 Brass or Steel
23 M3 Nylon Locknut 5 Brass or Steel (for Front Axle support)
24 M3 Cap Nut 1 Brass or Steel
25 M4 Hex Nut 2 Brass or Steel
26 M4 Cap Nut 2 Brass or Steel

Design Element

Part No. Part Name Required Material and Description
27 Steering Wheel 1 As Designed
28 Exhaust Pipe 1 As Designed

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