The bulk of the footings are round, with varying numbers of bolts protruding. The black box suspended in the middle of the each exists to leave room in the concrete for a rectangular protrusion at the bottom of the support columns that Mack coasters feature.
2017 roller coaster construction
2017 roller coaster construction
4 October, 2016 by Richard
The bulk of the footings are round, with varying numbers of bolts protruding. The black box suspended in the middle of the each exists to leave room in the concrete for a rectangular protrusion at the bottom of the support columns that Mack coasters feature.
