Troika - Särkänniemi in Tampere, Finland.Tri-Star - Pleasureland Southport in Southport, Merseyside, England.Adrenaline Test Zone - Calaway Park in Springbank, Alberta, Canada.Tumble Bug - Luna Park Sydney in Milsons Point, New South Wales, Australia.The Scorpion is significantly lighter than a Troika, making it more popular for operation at carnivals and fairs. The Tivoli Scorpion is based on the same pattern as the Troika, but a much smaller gondola wheel diameter results in greater speed and centripetal force experienced by the riders (claimed to be over 100 kilometres per hour (62 mph)). One example that is no longer running was the Gator Bait ride at Six Flags New Orleans this ride closed due to damage from Hurricane Katrina in 2005. It is smaller and can only carry 24 people (with 3 pods and 4 cars per pod). Huss now makes a modern version of the Troika, called the AirBoat. Portable versions of the Troika can be disassembled, but due to the size and weight of the machinery and platform, rack onto no fewer than three trailers. The ride is available in both transportable and permanent forms, although due to the total weight and size of the ride (35 tons, plus an additional 27 tons for the temporary base and platform), transportable Troikas are unpopular and uncommon. Huss recommends that riders be at least 42 inches tall with an adult or over 50 inches tall to ride alone. The main safety restraint is a buzz bar system, which locks into one of five positions. Because it is a relatively mild thrill ride, it is a good ride for younger children or beginning riders who aren't up to riding more extreme attractions, like Huss's own Enterprise or Top Spin. At the end of the ride cycle, the arms are lowered, and the rotation stopped. The gondolas do have some capacity to rock from side to side, but this is minimal. Hydraulic cylinders then raise the arms to an angle of 40°. When the ride is activated, the central column rotates clockwise, while the Star at the end of each arm rotates counterclockwise. At the end of each arm is a wheel-like assembly (star) holding seven gondolas, each of which seats 2 people side by side. A Troika consists of three arms radiating from a central column.

Rct3 ctr top spin