Podcast
Questions and Answers
What type of spring is typically found in the contact breaker points of an aircraft magneto?
What type of spring is typically found in the contact breaker points of an aircraft magneto?
- Spiral spring
- Flat spring (correct)
- Leaf spring
- Helical spring
Which type of spring is sometimes referred to as a motor spring or power spring due to its use in wind-up clocks or watches?
Which type of spring is sometimes referred to as a motor spring or power spring due to its use in wind-up clocks or watches?
- Leaf spring
- Spiral spring (correct)
- Helical compression spring
- Helical torsion spring
In the early days of aviation, what kind of spring was commonly used in aircraft landing gear?
In the early days of aviation, what kind of spring was commonly used in aircraft landing gear?
- Flat spring
- Leaf spring (correct)
- Belleville spring
- Helical compression spring
What distinguishes a tension spring from a compression spring?
What distinguishes a tension spring from a compression spring?
What type of springs are Belleville washers or disc springs?
What type of springs are Belleville washers or disc springs?
What type of spring is typically centered axially by a shaft and can have non-linear load absorbing characteristics?
What type of spring is typically centered axially by a shaft and can have non-linear load absorbing characteristics?
Which material is considered unsuitable for high-stress applications when used in manufacturing springs?
Which material is considered unsuitable for high-stress applications when used in manufacturing springs?
What type of spring is a basic straight bar of metal with ends modified to transmit a torsion load?
What type of spring is a basic straight bar of metal with ends modified to transmit a torsion load?
Which high-quality steel wire is used in high fatigue stresses for manufacturing springs?
Which high-quality steel wire is used in high fatigue stresses for manufacturing springs?
In which scenario might a spring made of Inconel be employed?
In which scenario might a spring made of Inconel be employed?
Study Notes
Types of Springs and Their Applications
- Contact breaker points in aircraft magnetos typically use compression springs to maintain contact pressure.
- Mainsprings, sometimes called motor springs or power springs, are used in wind-up clocks and watches for energy storage.
- Historically, leaf springs were commonly utilized in aircraft landing gear due to their strength and flexibility.
Spring Types and Characteristics
- Tension springs pull parts together, while compression springs push components apart, distinguishing their functions in applications.
- Belleville washers or disc springs are categorized as disc springs, designed to provide a variable load with their conical shapes.
- Springs that are centered axially by a shaft and exhibit non-linear load characteristics are known as torsion springs.
Material Considerations
- Aluminum is generally considered unsuitable for high-stress applications in spring manufacturing due to its lower strength compared to steel.
- A basic straight bar of metal modified at the ends to transmit torsion loads is recognized as a torsion spring.
- Oil-tempered high-carbon steel wire is commonly selected for manufacturing springs experiencing high fatigue stresses due to its enhanced durability.
Specialty Materials
- Springs made of Inconel, a high-performance nickel-chromium alloy, are employed in extreme temperature and corrosive environments, providing exceptional strength and resistance.
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Description
Learn about the characteristics and applications of flat springs and leaf springs, commonly used in aircraft, automobiles, and trains. Explore how they are constructed and their purposes in various mechanical systems.
