| Achterbahn: | Aftershock |
| Freizeitpark: | Silverwood Theme Park (Athol, Idaho 83801 USA) |
| Classification: | Achterbahn |
| Typ: | Stahl - Inverted |
| Status: | Operating since 7/21/2008 |
| Relocated from: | Six Flags Great America as Déjà Vu |
| Hersteller / Modell: | Vekoma / Giant Inverted Boomerang |
| Categories: | Shuttle |
| Kapazität: | 870 riders per hour |
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| Länge: | 367 m | |
| Höhe: | 58.4 m | |
| Abfahrt: | 53.9 m | |
| Inversionen: | 3 | |
| Geschwindigkeit: | 105.6 kph | |
| Fahrzeit: | 1:32 | |
| Max. Vertikale Neigung: | 90 Degrees | |
| G-Force: | 4.5 | |
| Elemente: | 33.5 m tall Cobra Roll (Boomerang) 31.1 m tall Loop
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| Züge: | Single train with 8 cars. Riders are arranged 4 across in a single row for a total of 32 riders. |
| | Riders must be between 1.22 m and 2.03 m to ride. |
| | Built by Vekoma |
| | The outside seats of each row are offset a little to the rear, making each row a small v-shape.
When at Six Flags Great America, the ride restrictions were 54" to 76". |