| Kirnu | |
|---|---|
 | |
| Linnanmäki | |
| Location | Linnanmäki |
| Coordinates | 60°11′18″N 24°56′24″E / 60.18833°N 24.94000°E |
| Status | Operating |
| Opening date | 27 April 2007 |
| Cost | About 3 million euros. |
| General statistics | |
| Type | Steel – Fourth-dimension |
| Manufacturer | Intamin |
| Designer | Werner Stengel |
| Model | ZacSpin |
| Height | 83.4 ft (25.4 m) |
| Length | 465.11 ft (141.77 m) |
| Speed | 37 mph (60 km/h) |
| Inversions | 0 |
| Duration | 1:00 |
| Capacity | 640 riders per hour |
| G-force | 2.6 |
| Height restriction | 55 in (140 cm) |
| Kirnu at RCDB | |
Kirnu (lit. 'Churn') is a steel roller coaster located at the Linnanmäki amusement park in Helsinki, Finland. Kirnu is Intamin's first ball coaster.