You have been asked to manufacture the off-road dune buggy shown below - Leaving Cert Engineering - Question c - 2022
Question c
You have been asked to manufacture the off-road dune buggy shown below.
(i) Name a suitable material for each of the labelled parts on the off-road dune buggy.
(ii... show full transcript
Worked Solution & Example Answer:You have been asked to manufacture the off-road dune buggy shown below - Leaving Cert Engineering - Question c - 2022
Step 1
Name a suitable material for each of the labelled parts on the off-road dune buggy.
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Answer
Roll cage: Steel - Steel provides the necessary strength and durability to protect passengers in case of an accident.
Seat: Foam with vinyl cover - Foam offers comfort and the vinyl cover provides weather resistance and easy cleaning.
Wheel rim: Aluminum alloy - Lightweight and strong, aluminum alloy improves performance and fuel efficiency.
Step 2
State one reason for each material you have selected.
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Answer
Roll cage: Offers superior strength and impact resistance, ensuring passenger safety.
Seat: Foam provides cushioning, enhancing rider comfort over rough terrains.
Wheel rim: Aluminum alloy's lightweight nature reduces overall vehicle weight, improving speed and handling.
Step 3
State one advantage of using a belt and pulley mechanism in a drive system.
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Belt and pulley mechanisms are generally quiet during operation, inexpensive, and require no lubrication, making them easier to maintain compared to gear drive systems.
Step 4
State one disadvantage of using a belt and pulley mechanism in a drive system.
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Answer
A disadvantage is that belts can stretch over time, leading to slippage and potential loss of drive. Additionally, belts are susceptible to snapping or breaking with excessive wear.
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