The black square jig is precisely manufactured to ensure that the bars are bars are perfectly spaced from one another. They will be removed and discarded later in the process to allow supports to be lowered and bolted in place.
2017 roller coaster construction
2017 roller coaster construction
4 October, 2016 by Richard
The black square jig is precisely manufactured to ensure that the bars are bars are perfectly spaced from one another. They will be removed and discarded later in the process to allow supports to be lowered and bolted in place.
