Sidewinder

A sidewinder consists of a half vertical loop pulling the train upward, immediately followed by a half corkscrew that rotates the train right-side-up while turning 90 degrees. The net result is an inversion combined with a significant directional change achieved in a very compact footprint. Two sidewinder elements form the outer boundaries of Vekoma's iconic Boomerang layout, flanking a central vertical loop to create the complete three-inversion circuit that is ridden twice.

The sidewinder name reflects the snake-like twisting motion the element produces when viewed from trackside — a visual that is immediately distinctive. As a standalone element the sidewinder is mainly associated with Vekoma's Boomerang and Giant Inverted Boomerang models, but the underlying geometry (half-loop plus half-corkscrew) appears in various forms across other manufacturer's designs under different names.