Launched roller coaster facts for kids

A launched roller coaster is a super exciting type of roller coaster that doesn't use a big hill to get started. Instead, it uses a powerful push to shoot you forward right from the start! Imagine going from zero to super fast in just a few seconds – that's what a launched coaster does!

These rides are known for their incredible acceleration, which means how quickly they gain speed. They use different kinds of special engines or systems to create this powerful launch.

What Makes a Roller Coaster Launch?

Launched roller coasters use clever technology to give riders an instant burst of speed. Unlike traditional coasters that slowly climb a tall hill, launched coasters can go from a standstill to very high speeds in just moments. This creates a unique and thrilling start to the ride.

How Do Launch Systems Work?

There are several ways a roller coaster can be launched. Each method uses a different type of power to push the train forward.

Linear Motor Launches

Many modern launched coasters use special electric motors called linear induction motors (LIMs) or linear synchronous motors (LSMs).

• How they work: These motors use strong electromagnets to create a powerful magnetic field. This field pulls and pushes the metal on the bottom of the coaster train, making it zoom forward very quickly. It's like a super-fast magnet train!
• Why they're used: LIMs and LSMs are very reliable and can launch coasters to incredible speeds, often with a smooth but intense push.

Hydraulic and Pneumatic Launches

Some of the fastest launched coasters use hydraulic or pneumatic systems.

• Hydraulic power: This system uses a special fluid (like oil) under very high pressure. This pressure is used to turn a large winch, which pulls the coaster train forward with a cable.
• Pneumatic power: Similar to hydraulic, but it uses compressed air instead of fluid. The air pressure pushes a piston, which then helps launch the train.
• Why they're used: These systems can store a huge amount of energy, allowing for extremely powerful and rapid launches, often reaching speeds over 100 miles per hour!

Tire Launches

A simpler type of launch uses spinning tires.

• How they work: Rows of rapidly spinning tires are placed along the track. When the coaster train rolls over them, the tires grip the bottom of the train and push it forward, building speed.
• Why they're used: Tire launches are often used for shorter, less intense launches, or to help a coaster gain speed for a specific part of the ride. They are also used to move trains around the station or maintenance areas.

Catapult Launches

Older or less common launch systems sometimes use a "catapult" style.

• How they work: This might involve a system that literally "catapults" the train forward, often using a powerful spring or a similar mechanism. While the term "catapult" is sometimes used generally for any launch, dedicated catapult systems are less common in new, large-scale coasters today.

Why Are Launched Coasters So Popular?

Launched roller coasters offer a different kind of thrill compared to traditional coasters.

• Instant excitement: There's no slow climb up a lift hill. The excitement begins immediately with a powerful burst of speed.
• Space saving: Launched coasters don't need a tall lift hill, which can save space in a theme park.
• Unique ride experiences: The intense acceleration can be a major highlight of the ride, often leading into exciting twists, turns, and inversions.

Launched roller coasters continue to be a favorite for thrill-seekers because of their unique and exhilarating start!