Floorless Coaster

Floorless Roller Coaster
StatusIn production
First manufactured1999
No. of installations14
ManufacturerBolliger & Mabillard
Vehicle typeFloorless seats located above the track
Vehicles6-8-car Floorless Coaster trains
Riders per row4
Restraint StyleOver-the-shoulder harness
Produced1999–present
Floorless Roller Coaster at RCDB

A Floorless Coaster is a type of steel roller coaster manufactured by Bolliger & Mabillard where riders sit with no floor underneath them, allowing their feet to swing freely just above the track. Development of the Floorless Coaster model began between 1995 and 1996 with Medusa at Six Flags Great Adventure, which opened on April 2, 1999, as world's first Floorless Roller Coaster. Floorless Roller Coasters typically feature between three and seven inversions in the layout of the coaster.

Since 2007, Bolliger & Mabillard have used floorless trains on their Dive Coasters, such as Griffon and SheiKra. Though they contain floorless trains, the coasters are still not considered Floorless Coasters, as the company classifies them as another model. Maurer Söhne has designed their own version of the Floorless Coaster, a variant of their X-Car model called X-Car Floorless, but currently do not have any installations.


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