Metalwork - Exam Papers - HL - Project - 1999

150 Marks

Instructions

  1. Details of a Motorised Model Three-Wheeled Vehicle are show on the accompanying drawing.
  2. Make the project using the materials specified in the parts list.
  3. Assemble the parts using the set screws and nuts supplied.
  4. Design, and manufacture and attach suitable (a) handle bars for the vehicle (b) holder for a 6 volt battery
  5. Parts 9 and 14 are joined to Part 1 using an adhesive.
  6. Parts 3 and 10 are soft soldered to Part 2.
  7. Parts 13, 14, 15 and 16 may be purchased as a unit.
  8. Test using a 6 volt battery.

Parts List

Part No. Part Name Required Material and Description
1 BASE 1 PERSPEX
2 STEERING BRACKET 1 BRASS, COPPER OR ALUMINIUM
3 FRONT WHEEL BRACKET 1 BRASS, COPPER OR ALUMINIUM
4 SIDES 2 BRASS, COPPER OR ALUMINIUM
5 REAR AXLE 1 BRASS OR STEEL
6 FRONT WHEEL AXLE 1 BRASS OR STEEL
7 STEERING ROD 1 BRASS OR STEEL
8 SPACER 2 BRASS
9 BUSHING 1 BRASS
10 STEERING COLUMN SUPPORT 1 BRASS OR STEEL
11 FRONT WHEEL 1 NYLON OR ALUMINIUM
12 REAR WHEELS 2 NYLON OR ALUMINIUM

As Supplied

Part No. Part Name Required Material and Description
13 MOTOR BRACKET 1 ALUMINIUM OR AS SUPPLIED
14 MOTOR 1 3V - 6V, Ø2 MM SHAFT
15 WORM GEAR 1 AS SUPPLIED
16 GEAR 1 AS SUPPLIED
17 SWITCH 1 TOGGLE SWITCH
18 M5 CAP NUTS 2 BRASS OR STEEL
19 M4 CAP NUTS 2 BRASS OR STEEL
20 M4 LOCK NUTS 2 STEEL
21 M3x6 SET SCREWS 4 BRASS OR STEEL

Design Element

Part No. Part Name Required Material and Description
22 BATTERY HOLDER 1 AS DESIGNED
23 HANDLE BARS 1 AS DESIGNED

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