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Metalwork - Exam Papers - HL - Project - 1998
Instructions
Details of a Thermostatically Controlled Candle
Extinguisher are show on the accompanying drawing.
- Make the project using the materials specified
in the parts list.
- Design, manufacture and attach a candle holder
to the model.
- Assemble the parts using the set screws supplied.
- Adjust and test using a 6 volt battery.
Parts List
Part No. |
Part Name |
Required |
Material and Description |
1 |
BASE |
1 |
PERSPEX |
2 |
SUPPORT
BRACKET |
1 |
BRASS, COPPER OR ALUMINIUM |
3 |
SPACER |
1 |
PERSPEX |
4 |
SPINDLE
SPACER |
2 |
BRASS |
5 |
SPINDLE |
1 |
BRASS |
6 |
FORMER |
1 |
ALUMINIUM, BRASS OR NYLON |
7 |
ARMATURE |
1 |
MILD STEEL |
8 |
EXTINGUISHER
CAP |
1 |
ALUMINIUM |
9 |
EXTERNAL
SUPPORT BEAM |
1 |
PERSPEX |
10 |
BI-METALLIC
STRIP |
1 |
BI-METALLIC STRIP - Width : 10 - 15 mm, Thickness : 0.5 - 1.0mm |
11 |
EXTINGUISHER
ARM |
1 |
BRASS OR STEEL |
12 |
COUNTER
WEIGHT |
1 |
BRASS OR STEEL |
13 |
CONNECTING
LINK |
1 |
ALUMINIUM OR COPPER |
As Supplied
Part No. |
Part Name |
Required |
Material and Description |
15 |
COIL |
1 |
APPROXIMATELY 300 TURNS OF INSULATED COPPER WIRE
Ø 0.6 |
16 |
CANDLE |
1 |
WAX CANDLE (Ø8 - Ø15) |
17 |
M5
x 6 SET SCREW |
2 |
BRASS OR STEEL |
18 |
M3
HEX SELF LOCKING NUT |
2 |
BRASS |
19 |
M3
x 6 SET SCREW |
1 |
BRASS |
20 |
M3 HEX NUT |
1 |
BRASS |
21 |
M6
x 20 SET SCREW |
1 |
BRASS |
22 |
M5
x 15 SET SCREW |
2 |
BRASS |
24 |
M5 HEX NUT |
4 |
BRASS |
Design Element
Part No. |
Part Name |
Required |
Material and Description |
14 |
CANDLE
HOLDER |
1 |
AS DESIGNED AND MANUFACTURED BY THE CANDIDATE |
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