(WHTM) — Roller coasters are getting taller ... Ka at Six Flags Great Adventure use the hydraulic launch. These launches are equipped with brakes, in case a train is launched too slowly.

Each boost, brake, and sharp turn is accompanied by something happening within the world built by the roller ... enough to ...

Xcelerator accelerates from zero to 82 mph in 2.3 seconds with the assistance of a hydraulic launch, according to Roller Coaster Database. The Xcelerator trains quickly transition into a 205-foot ...

That said, there are other kinds of roller coaster launch systems, two of which are the hydraulic launch and compressed air launch roller coasters. As the name implies, hydraulic roller coasters ...